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Hitachi ULTRASTAR 15K450 HUS154530VLF400 Specifications

3.5 inch 4gb fc-al hard disk drive
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Hard Disk Drive Specification
Ultrastar 15K450
3.5 inch 4Gb FC-AL Hard Disk Drive
Models:
HUS154545VLF400
HUS154530VLF400
Version 1.2
Warning: Printed copies of this document are considered current only on the date of print. Replacement and disposal
of down-level versions is the responsibility of the document holder.
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
29 October 2008

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Summary of Contents for Hitachi ULTRASTAR 15K450 HUS154530VLF400

  • Page 1 Version 1.2 Warning: Printed copies of this document are considered current only on the date of print. Replacement and disposal of down-level versions is the responsibility of the document holder. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 29 October 2008...
  • Page 2 This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the informa- tion herein; these changes will be incorporated in new editions of the publication. Hitachi may make improvements or changes in any products or programs described in this publication at any time.

  • Page 3: Table Of Contents

    7.1.4 Ready LED Out ...20 7.1.5 Start Mated Controls ...21 7.1.6 SEL_n and Enclosure Service Signals...21 7.1.7 –ENBL_BYP CH1, -ENBL_BYP_CH2...23 7.1.8 –Drive Present...23 7.1.9 Dev_Ctrl_Code_x ...23 8.0 Environment...25 8.1 Temperature and humidity...25 8.2 Storage requirements ...26 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 4 15.1 Class A Regulatory Notices ...48 16.0 Standards ...51 16.1 UL and C-UL Standard Conformity ...51 16.2 European Standards Compliance ...51 16.3 German Safety Mark...51 16.4 Flammability ...51 16.5 Corporate Standards Compliance ...51 17.0 FC-AL attachment ...53 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 5 18.2.3 FCP_DATA ...107 18.2.4 FCP_RSP ...107 18.3 Task Attributes...109 18.4 Task Management functions ...110 18.4.1 Abort Task (Implemented as ABTS BLS)...111 18.4.2 Abort Task Set ...111 18.4.3 Terminate Task ...112 18.4.4 Clear ACA ...112 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 6 19.10.7 Mode Page 07 (Verify Error Recovery Parameters)...183 19.10.8 Mode Page 08 (Caching Parameters)...184 19.10.9 Mode Page 0A (Control Mode Page Parameters)...186 19.10.10 Control Extension Subpage ...187 19.10.11 Mode Page 0C (Notch Parameters) ...188 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 7 19.27 RECEIVE DIAGNOSTICS RESULTS (1C) ...240 19.27.1 Receive Diagnostic Results Page 0...241 19.27.2 Enclosure Service Information (ESI) Page Format ...242 19.27.3 Receive Diagnostic Results Page 40...243 19.27.4 Receive Diagnostic Page A0h...245 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification ..221 (Mode11010b)
  • Page 8 19.59.5 Download Microcode and Save (Mode 00111b) - Multiple Binary Files ...298 19.59.6 Write Data to Echo Buffer (Mode 01010b) ...299 19.59.7 Enable Expander Communications Protocol (Mode 11010b) ...300 19.60 WRITE LONG (3F)...301 19.61 WRITE SAME (41) ...302 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 9 21.15.1 Enclosure Initiated ESI ...332 21.16 Multiple Initiator Environment ...332 21.16.1 Initiator Sense Data...332 21.16.2 Initiator Mode Select/Mode Sense Parameters ...332 21.17 Reset...332 21.17.1 Reset Sources ...333 21.17.2 Reset Actions ...333 21.18 Diagnostics...333 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 10 22.2.11 Reserved (Byte 18 through 19) ...374 22.2.12 Vendor unique error information (Byte 20 through 23) ...374 22.2.13 Physical Error Record (Byte 24 thru 29) ...374 22.2.14 Reserved (Byte 30 through 31) ...374 23.0 Appendix. UEC list ...375 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 11 Table 37.FC-PH Version ...66 Table 38.Class Service Parameters ...68 Table 39.LOGO payload...71 Table 40.LOGO ACC payload ...71 Table 41.FLOGI_REQ/FLOGI_ACC payload ...72 Table 42.Common Service Parameters (FLOGI_REQ/FLOGI_ACC) ...73 Table 43.Class Service Parameters ...75 Table 44.FAN payload...76 Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive Specification...
  • Page 12 Table 83.Information Units (IUs) ...104 Table 84.FCP_CMND payload...105 Table 85.FCP_CNTL field ...105 Table 86.Task Attribute values ...105 Table 87.TMF flag values...106 Table 88.FCP_XFER_RDY payload ...107 Table 89.FCP_RSP payload ...107 Table 90.FCP_STATUS field...108 Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive Specification...
  • Page 13 Table 130. Log Sense Page 2F...159 Table 131.Log Sense Page 30...160 Table 132.Log Sense Page 37...163 Table 133.Mode Select (15)...165 Table 134.Mode Select (55)...166 Table 135.Mode Sense (1A) ...167 Table 136.Page Code Usage ...168 Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive Specification...
  • Page 14 Table 176.Read Buffer Header ...216 Table 177.Read Buffer Description ...218 Table 178.Echo Buffer Descriptor...220 Table 179.READ CAPACITY (10) - (25)...222 Table 180.Format of READ CAPACITY command reply...223 Table 181.Read Capcity (16) (9E/10)...224 Table 182.Returned Data Format...225 Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive Specification...
  • Page 15 Table 223.SET DEVICE IDENTIFIER (A4/06) ...268 Table 224.SET DEVICE IDENTIFIER, Parameter List ...268 Table 225.START STOP UNIT (1B) ...269 Table 226.SYNCHRONIZE CACHE (10) - (35) ...270 Table 227.Synchronize Cache (16) - (91)...271 Table 228.TEST UNIT READY (00)...272 Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive Specification...
  • Page 16 Table 258.Recommend Reassign Errors...341 Table 259.Log Only Errors ...341 Table 260.Format of Sense Data...349 Table 261.Field Pointer Bytes ...371 Table 262.Actual Retry Count ...372 Table 263.Progress Indication ...373 Table 264.Unit Error Codes...375 Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive Specification...

  • Page 17: General

    1.0 General 1.1 Introduction This document describes the specifications of the following Hitachi 3.5 inch FC-AL drives. Table 1: Product ID table Product ID HUS154545VLF400 HUS154530VLF400 Note: The specifications in this document are subject to change without notice. For technical and ordering information, please visit our website at http://www.hitachigst.com.
  • Page 18 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 19: Outline Of The Drive

    Self diagnostics at power on • Closed loop actuator servo • Non head disk contact start/stop • 15,000 RPM spindle rotation speed • Automatic actuator lock • PFA (S.M.A.R.T.) • ANSI T10 Protection Information (End-to-End) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 20 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 21: Fixed-Disk Subsystem Description

    Heads are moved out from the disks (unloaded) to protect the disk data during shipping, moving, or storage. At power down, the heads are automatically unloaded from over the disk area and the head actuator locking mechanism will secure the heads in the unload position. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 22 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 23: Drive Characteristics

    Data buffer size Number of buffer segments Rotational speed Recording density Track density Areal density Data zones Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 300 GB 300,000,000,000 585,937,500 (22ECB25Ch) 1290 - 2120 [Mb/sec] 1265 - 1738 [Mb/sec] 106.25 MB/s (1 Gb/s) 212.5 MB/s (2 Gb/s) 425.0MB/s (4Gb/s)

  • Page 24: Inquiry Information

    Table 5: Block assignment of World Wide ID in INQUIRY Command Manufacturing Site Singapore Note (1) - Additional block assignment will be issued as needed based on actual production volume. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description 450 GB, FC-AL 300 GB, FC-AL...

  • Page 25: Cylinder Allocation

    4.4 Cylinder allocation Table 6: Cylinder allocation Zone Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification User Cylinder Allocation 450 GB Sectors /Tracks Cylinder/Zone Cylinder 1416 3600 1404 3700 1395 1350 26500 1296 3900 1282 3300 1260 6900 1242 2100...

  • Page 26: Performance Characteristics

    Note: All the above parameters contribute to drive performance. There are other parameters that contribute to the perfor- mance of the actual system. This specification tries to define the bare drive characteristics, not system throughput, which depends on the system and the application. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification User Cylinder Allocation 300 GB Start...

  • Page 27: Mechanical Positioning

    = Seek length (1 to max) Tn.in = Inward measured seek time for an n track seek Tn.out = Outward measured seek time for an n track seek Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Typical (ms) ∑ ( ⋅...

  • Page 28: Table 8.Latency Time

    Full stroke seek is measured as the average of 1,000 full stroke seeks with a random head switch from both directions (inward and outward). 4.5.1.3 Average latency Table 8: Latency time Rotation 15,000 RPM Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Typical (ms) 11.1 11.5 10.1 Time for a revolution (ms)

  • Page 29: Drive Ready Time

    In addition, time is added for the occasional missed transfer. 4.5.5 Buffering operation (read ahead/write cache) This hard disk drive has a buffer for read ahead (see Segmented Caching, page 331). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Maximum (sec) 21.0 29.9...
  • Page 30 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 31: Data Integrity

    Errors occurring with the drive are handled by the error recovery procedure. Errors that are uncorrectable after application of the error recovery procedures are reported to the host system as non-recover- able errors. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 32 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 33: Physical Format

    G-List has a capacity of 5000 Customer LBAs. • Multiple reassignments of the same Customer LBA do not increase the number of G-List entries. • A track for spare sectors is inserted after every 800 nominal customer tracks. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 34 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 35: Electrical Interface

    -Parallel ESI -Drive Present Ready LED Out Power Control Start_1/Mated Start_2/Mated -ENBL BYP CH2 Sel_6/-EFW Sel_5/-P_ESI_5 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Pin # Signal Name 12V Charge 12V Ground 12V Ground +Port 1_In -Port 1_In 12V Ground...

  • Page 36: Voltage And Ground Signals

    The drive provides an open-collector TTL driver with up to 30mA of current sink capability to the Ready LED Out signal. The cathode of the LED should be connected to this signal. The LED and the current-limiting resistor must be provided by the enclosure. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification -Port 2_Out 5V Ground...

  • Page 37: Start Mated Controls

    Table 14: SEL_ID/AL_PA SEL_ID AL_PA SEL_ID Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Spin Function Drive is not mated. No spin-up will occur. The motor will spin up with the SCSI Unit Start Cmd The motor will spin up after a delay of 6 times the modulo 8 of...
  • Page 38 The outcome of the 'discovery' process is that the backplane: 1. Does not support enclosure services or 2. Supports SFF-8045 enclosure services or 3. Supports SFF-8067 enclosure services The definition of the signals are summarized in the table below: Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 39: Enbl_Byp Ch1, -Enbl_Byp_Ch2

    FC link rate, Power Failure Warning (PFW) and Hard Reset. The control function is either identified by a code or a sequence of codes on the DEV_CTRL_CODE signals. The table below defines the functions and assigned codes that use a Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification -Parallel ESI asserted (low)
  • Page 40 For more information refer to the SFF-8045 Specification. Table 16: DEV_CTRL_CODE_N Signal Definition Link Rate 1.0625 GHz 2.1250 GHz 4.250 GHz Reserved Reserved Reserved Reserved Power Failure Warning DEV_CTRL_CODE_2 DEV_CTRL_CODE_1 DEV_CTRL_CODE_0 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 41: Environment

    Maximum surface temperature gradient Altitude Storage conditions Ambient Temperature Relative humidity Maximum wet bulb temperature Altitude Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 5°C to 55ºC 5 to 90%, non-condensing 29.4ºC, non-condensing 20ºC/hour -305 to 3,048 m -40°C to 70ºC 5 to 95%, non-condensing 35ºC, non-condensing...

  • Page 42: Storage Requirements

    8.2 Storage requirements 8.2.1 Packaging The drive or option kit must be heat-sealed in a moisture barrier bag with desiccant inside the bag supplied by Hitachi Global Storage Technologies. 8.2.2 Storage time Cumulative storage time in the package must not exceed one year. If a longer storage time is required, the drive must be repackaged with new desiccant or moved to a climatically controlled environment.

  • Page 43: Cooling Requirements

    Table 18: Maximum allowable surface temperatures Module name MPU/HDC Integration module DRAM VCM & spindle driver Channel HDD base casting Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Location Maximum allowable surface temperature as noted in picture 108ºC 85ºC 108ºC 115ºC...
  • Page 44 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 45: Dc Power Requirements

    Note: -8% is acceptable during spin up, but the spin up time is not guaranteed. Absolute Max Spike Voltage 5.5 V 15 V Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Supply Rise Time Capacitance 0-200 ms 96 uF 0-400 ms...

  • Page 46: Power Supply Current, Average And Peak

    Power on Power on 2 Sec / Div 2 Sec / Div 1A / Div 1A / Div Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 4 5 0 GB Cur r ent Curr ent IO / Sec +5 V +1 2 V 1 .9 2...
  • Page 47 Random W / R Average Random W / R Average Sequential Read Peak Sequential Read Average Sequential Write Peak Sequential Write Average BMS Average BMS Peak Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Current Current Power +12V 1.92 1.12 2.44 0.83...

  • Page 48: Ripple Voltage

    The maximum common-mode noise current passing through the drive must not exceed 20 mA. 9.3 Power Consumption Efficiency Index Table 21: Power Consumption Efficiency Index Model Power Consumption Efficiency Index -Idle Mode (W/GB) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 0-10 0-10 450GB Model 0.028 300 GB Model...

  • Page 49: Reliability

    CPT (Disable Exception Control) bit to 0 in Mode Page 1C. For mode page settings, refer to Section 19.10.14, “Mode Page 1C (Informational Exceptions Control)” on page 193. The warning is issued as sense data (Sense Key 01h, Code 0Bh, Qual 01h). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification bits read.
  • Page 50 The drive temperature is reported in Log Sense page 2F. Refer to Section 19.7.12, “Log Sense Page 2F” on page 159. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 51: Mechanical Specifications

    The drive complies with SFF-8301. Table 22: Physical Dimensions Height [mm] Width [mm] Length [mm] Weight [grams - maximum] Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 25.8 ± 0.3 101.6 ± 0.25 146.2 ± 0.8 450 GB Model 750 grams...
  • Page 52 1 0 1 . 6 ± 0 . 2 5 2 5 . 8 ± 0 . 3 FRO NT LEFT Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 53: Interface Connector

    11.3 Interface Connector Pi n 21 Pi n 1 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 54: Mounting Positions And Tappings

    3 . 1 8 ± 0 . 2 5 REAR RECOM M ENDED TORQUE 0. 6 - 1. 0 Nm 1 M AX ALLOW ABLE PENETRATI ON OF NOTED SCREW TO BE 4. 0 m m Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 55 ( 6 x ) 6 . 3 5 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 56: Drive Mounting

    Heads are moved out from the disks (unload) to protect the disk data during shipping, moving or storage. At power down, the heads are automatically unloaded from over the disk area and the head actuator locking mechanism will secure the heads in the unload position. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 57: Vibration And Shock

    The shock pulses of each level are applied to the drive, ten pulses for each direction and for all three mutually perpendicular axes. There must be a minimum of thirty seconds delay between shock pulses. The input level is applied to a base plate where the drive is attached using four mounting screws. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 58: Non-Operating Shock

    , 2 ms duration The shock input is applied around the axis of the actuator pivot. The shock input does not displace the heads from the actuator latched position. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification October 29, 2008 2:44 pm...

  • Page 59: Acoustics

    Ns = 0.4 / (Tt + Tl) Tt = published random seek time Tl = time for the drive to rotate by half a revolution Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification A-weighted sound power level (Bel) Typical Maximum...
  • Page 60 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 61: Identification

    The following labels are affixed to every hard disk drive shipped from the drive manufacturing location in accordance with appropriate hard disk drive assembly drawing: • A label containing Hitachi Global Storage Technologies logo, Hitachi part number and the statement “Made by Hitachi” or Hitachi approved equivalent. •...
  • Page 62 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 63: Electromagnetic Compatibility

    ITE Immunity EN55024 Power Line Harmonics EN61000-3-2 (EU) GB17625.1 (China) Voltage Fluctuations and Flicker EN61000-3-3 (EU) GB17625.2 (China) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Class A Class A Class A Class A Class A Class A Class A...

  • Page 64: Class A Regulatory Notices

    Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserk- lärung nach Paragraf 5 des EMVG ist die Hitachi Global Storage Technologies , 5600 Cottle road, San Jose, California 95193. Informationen in Hinsicht EMVG Paragraf 4 Abs. (1) 4: Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse A.
  • Page 65 Korea (MIC) Taiwan (BSMI) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 66 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 67: Standards

    - CS 1-9700-020 Eco-Product Design Requirement Hitachi GST encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Hitachi GST offers a variety of programs and services to assist equipment owners in recycling their IT products.
  • Page 68 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 69: Fc-Al Attachment

    The Drive complies with the FC-FLA, which makes the following requirements: 1. The upper two bytes of the device’s NL_Port ID must not be zero. 2. The device must be able to communicate with the Fabric Port i.e., open AL_PA 0x00. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 70: Node And Port Names

    A Hard AL_PA is one which is supplied, via the Drive connector, from external switches or jumpers. A Soft AL_PA is one which is assigned during Loop Initialization Table 25: NL_Port address Bits 23-16 Domain Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 35-24 23-2 Block Assignment Bits 15-8...

  • Page 71: Primitive Signals And Sequences

    2. Used to convey information about a dedicated connection and therefore not relevant to FC-AL. If detected during an open connection, the drive will immediately close. Otherwise it will simply re-transmit. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Start of frame...

  • Page 72: Frames

    A Sequence is a set of one or more related frames that flow in one direction only. The sequence is identified by the Sequence Identifier (SEQ_ID) field in the frame header. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Loop Port Enable all...

  • Page 73: Exchanges

    18.4.1, “Abort Task (Implemented as ABTS BLS)” on page 111 for a description of the Recovery Abort Protocol and the frame payloads. The response to ABTS is either BA_ACC or BA_RJT. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Abbr. ABTS...

  • Page 74: Basic Accept (Ba_Acc)

    High SEQ_CNT is only valid when an ABTS is used to abort a single sequence. Since the drive only supports abort- ing of entire exchanges, this field is set to 0000h. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 75: Basic Reject (Ba_Rjt)

    Others Reserved Table 32: BA_RJT Reason Code Explanations Code Description 0000 0000 No additional explanation 0000 0011 Invalid OX_ID-RX_ID combination 0000 0101 Sequence aborted, no Sequence information provided Others Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 76: Extended Link Services

    2) fields that are not reserved but are not valid for the current frame (as shown in the example above with F_CTL bit 3). This does not apply to any reserved field checking and testing within the FCP_CDB. These fields are checked as per ANSI Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Abbr.

  • Page 77: Link Service Accept (Ls_Acc)

    17.3.12 “Report Node Capabilities (RNC)” 17.3.13 “Re-instate Recovery Qualifiers (RRQ)” 17.3.14 “Third Party Process Logout (TPRLO)” 17.3.15 “Request Node Identification Data (RNID)” 17.3.16 “Report Port Speed Capabilities (RPSC)” Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Abbr. LISM LIFA LIPA...

  • Page 78: Link Service Reject (Ls_Rjt)

    Vendor Unique Table 37: LS_RJT reason codes Code Description Invalid command code Logical error Logical busy Protocol error Unable to perform command requested Command not supported Vendor unique error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Item Size (Bytes)

  • Page 79: Port Login (Plogi)

    Bytes 1, 2, and 3, of the payload must be set to zeros. Otherwise, the drive will respond with an LS_RJT containing a reason code of “Command not supported”, and a reason code explanation of 00h “No additional explanation”. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 80 Request = 0300 0000h; Accept = 0200 0000h Common Service Parameters 20 - 27 Port Name 28 - 35 Node Name Class 1 Service Parameters Class 2 Service Parameters Class 3 Service Parameters Reserved Vendor Version Level Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 81: Common Service Parameters

    * The Class 1 Service Parameters shall be used for Class 6. Each has the same applicability as Class 1. ** E_D_TOV resolution and the corresponding value are only meaningful in a point-to-point topology and when doing PLOGI with an NL_Port on the same loop. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification PLOGI and PLOGI LS_ACC...
  • Page 82 SEQ_CNT basis. The Relative Offset is only present if bit 3 of the F_CTL field in the frame header is set to 1b. The drive requires that an initiator support Continuously Increasing Relative Offset. If this field is Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification PLOGI and...
  • Page 83 Category; e.g., if Relative Offset is supported for category 0001b (Solicited Data), bit 1 is set. The drive returns a value of 0002h in this field (Relative Offset supported for Solicited Data only). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 84 Class 3 Service Parameters. If this bit is not set for Class 3 Service Parameters, the drive will respond with an LS_RJT containing a reason code of 03h “Logical error” and a reason code explanation of 01h “Ser- vice Parm error - Options”. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved Initiator Control Flags (Bytes 70-71)
  • Page 85 This flag does not apply to class 3 and therefore is not checked by the drive. The drive returns 0b in this field. • ACK Gen - ACK generation assistance This flag does not apply to class 3 and therefore is not checked by the drive. The drive returns 0b in this field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 86 09h “Service Parm error - Concurrent Seq”. The drive returns a value of 255 in this field. The End-to-end Credit field applies only to classes 1 and 2 and is therefore not checked by the drive. The drive returns 0 in this field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 87: Logout (Logo)

    0Bh “Command not supported” and a reason code explanation of 00h “No additional explanation”. Table 44: LOGO payload Byte Item 0500 0000h Reserved Port Identifier Port Name Table 45: LOGO ACC payload Byte Item 0200 0000h Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Size (Bytes)

  • Page 88: Fabric Login (Flogi)

    Request = 0400 0000h; Accept = 0200 0000h Common Service Parameters Port Name Node Name Class 1 Service Parameters Class 2 Service Parameters Class 3 Service Parameters Reserved Vendor Version Level Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)
  • Page 89 When set to one, this flag indicates that the Port is an F_Port. When set to zero, it is an N_Port. The drive checks this field in the FLOGI_ACC and will revert to PLDA behavior if it is not set to one. The drive sets this field to 0b. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification PH Version - Highest Supported...
  • Page 90 FLOGI_ACC payload. This field is reserved in the FLOGI_REQ and the drive therefore sets this field to zero. After FLOGI is complete, the drive will use this value for E_D_TOV until the drive is reset, reverts to PLDA behavior, or performs another FLOGI. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 91 • LDM - Lock Down Mode This flag only applies to class 1 service. It is reserved for classes 2 and 3. The drive sets this field to 0b. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved Initiator Control Flags (Bytes 70-71)

  • Page 92: Fabric Address Notification (Fan)

    (Note: When operating as a private loop device, the drive will discard the FAN ELS request.) Table 49: FAN payload Byte Item Command Code = 60000000h reserved Loop Fabric Address Fabric Port Name Fabric Name Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 93: Port Discovery (Pdisc)

    The following tables show the ADISC payload and the ADISC ACC payload. Table 50: ADISC payload Byte Item Command Code = 52000000h Reserved Hard Address of Originator Port Name of Originator Node Name of Originator Reserved 25-27 N_Port ID of Originator Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 94: Process Login (Prli)

    The PRLI request informs the recipient of the capabilities and requirements of the originator. The recipient responds with an ACC to indicate agreement or LS_RJT otherwise. Table 52: PRLI payload Byte Item Page Length = 10h Payload Length 4-max Login service parameter pages Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Size (Bytes) n*16...
  • Page 95 This bit must be set to one in order for the drive to accept the login request. If not, the drive will respond with an LS_RJT containing a reason code of 03h “Logical error” and a reason code explanation of 00h “No additional expla- nation”. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) n*16...
  • Page 96 When set to one, this flag indicates that the FCP_XFER_RDY IU may not be used for SCSI READ operations. • Bit 0 - Write XFER_RDY Disabled When set to one, this flag indicates that the FCP_XFER_RDY IU may not be used for SCSI WRITE operations. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 97 • Bit 3 - Command/Data Mixed Allowed The drive returns 0b in this field. • Bit 2 - Data/Response Mixed Allowed The drive returns 0b in this field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Drive Response 21 00h...

  • Page 98: Process Logout (Prlo)

    All tasks, reservations, mode page parameters and status for the specified image pairs are set to the state they would have after a SCSI hard reset or power-on reset. Table 57: PRLO payload Byte Item Page Length=10h Payload Length 4-max Logout service parameter pages Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) n*16...
  • Page 99 The Originator Process Associator identifies a group of related processes (an 'image') within the originator. The Responder Process Associator identifies a group of related processes (an 'image') within the responder. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 100: Read Link Error Status Block (Rls)

    Return the Link Error Status Block for the same port on which the request was received. Return the Link Error Status Block for Port A. Return the Link Error Status Block for Port B. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Drive Response...

  • Page 101: Report Node Capabilities (Rnc)

    The Report Node Capabilities (RNC) ELS is used to exchange node capabilities, vendor identification, and other vendor unique information. It is used to discover which document identifiers (along with their associated FC-4 protocols and profiles) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)
  • Page 102 Information field. A maximum length of 128 bytes is supported. The Vendor Identifier contains eight bytes of ASCII data, which identifies the vendor of the product. Vendor Unique Information is defined by vendor or profile specific documentation. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) 0-128...

  • Page 103: Capability Entry(S)

    It is used to aid a node in selecting a specific capability when multiple capabilities are supported. The Preference field has a range from 0 to 3. • 0 0 Best • 0 1 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) 0 or 2 0 or 2...
  • Page 104 The Extension Length field is a two byte unsigned integer that specifies the number of additional bytes present in the Capa- bility Entry. This number includes itself, the preceding reserved field, and the length of Extension Field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Identifier...

  • Page 105: Re-Instate Recovery Qualifiers (Rrq)

    ACC Code = 02000000h The drive performs no protocol checking on the RRQ payload. When it recognizes an ELS with 12h in byte 0, it simply responds with an RRQ ACC. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Size (Bytes)

  • Page 106: Third Party Process Logout (Tprlo)

    Responder Process Associator Reserved 13-15 Third Party Originator N_Port ID The TYPE Code field for SCSI-FCP is 08h, and the TYPE Code Extension field is 00h. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) n*16 Size (Bytes) n*16...
  • Page 107 • Bit 13 - Third Party Originator N_Port ID Valid The drive will echo this bit from the TPRLO payload. It is not valid when the Global Process Logout flag is set to one. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Drive Response...

  • Page 108: Request Node Identification Data (Rnid)

    ’02 00 00 00’ Node Identification Data Format Common Node-Identification-Data Length Reserved Specific Node-Identification-Data Length Common Node Identification Data Specific Node Identification Data Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Size Bytes 0 or 16 0-max...
  • Page 109 The Unit Type field specifies the type of device returning the Node-Identification-Data. Valid values for this field are shown in Table 77: “Topology Discovery Unit Type” . Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)
  • Page 110 The IP Address specifies the IP address of the node. Since the drive does not support IP, this field is set to 0h. The Topology Discovery Flags (TDF) are defined in Table 78: “Topology Discovery Flags” . Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Type...

  • Page 111: Report Port Speed Capabilities (Rpsc)

    Device_Data, Unsolicited Control) for a Request or 03h (FC-4 Device_Data, Solicited Control) for a Reply. Each CT_IU payload starts with a 16 byte CT Header as shown in Table 81. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved Size (Bytes)
  • Page 112 The Maximum/Residual Size field is used by the sender of an FS_REQ to indicate the maximum number of bytes it can accept in an FS_ACC payload. If the size of the responder’s FS_ACC payload is greater than this value, the responder will Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)
  • Page 113 Maximum/Residual field in the FS_ACC to the number of residual bytes that were not transferred. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 114: Register Fc-4 Types (Rft_Id)

    The Supported FC-4 Bitmap indicates which FC-4 protocols the RFT_ID requestor supports. The drive sets the eighth bit of this bitmap to indicate that it supports FC-4 type 08h (SCSI-FCP). Table 84: RFT_ID ACC/RJT payload Byte Item CT_IU Header Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes) Size (Bytes)
  • Page 115 Initial Process Associator not registered FC-4 TYPEs not registered Symbolic Port Name not registered Symbolic Node Name not registered Port Type not registered Access Denied Unacceptable Port Identifier Data base empty Others Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 116: Fc-Al Timers

    Target will implicitly log out the Initiator and free up the resources associated with that timer. An RR_TOV timer is maintained for each Initiator that has logged in. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification SEQ_QUAL...

  • Page 117: Link Failure

    •- FCP_DATA frame, the exchange shall terminate with a CHECK CONDITION status. The resulting Sense data will have the Sense Key set to Aborted command and the Additional Sense Code set to Data Phase Error. •- non-FCP_DATA frame, the frame shall be discarded and ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 118 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 119: Scsi-Fcp

    The logical unit consists of a Target and a Task Set. The Target actually executes the commands and the task set is simply what used to be known as the Command Queue. SCSI-FCP recognizes that Targets and Initiators may simply be software procedures and therefore calls them Processes. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 120: Information Units

    = Information category of Device_Data frame F/M/L = First/Middle/Last IU of Sequence = Sequence Initiative = Hold Sequence Initiative = Transfer Sequence Initiative = Mandatory/Optional Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Data block Content FCP_CMND FCP_DATA FCP_XFER_RDY (WRITE)

  • Page 121: Fcp_Cmnd

    Attributes”, on page 109. Table 91: Task Attribute values Value xxxx x000b xxxx x001b xxxx x010b xxxx x100b xxxx x101b Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description Logical Unit Number Control Field SCSI Command Descriptor Block Data Length Attribute Simple_Q...
  • Page 122 The FCP_DL field contains a count of the greatest number of data bytes expected to be transferred by execution of the SCSI CDB. An FCP_DL field of zero indicates that no data transfer is expected and that no FCP_XFER_RDY or FCP_DATA IUs shall be transferred. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 123: Fcp_Xfer_Rdy

    16-19 FCP_SNS_LEN 20-23 FCP_RSP_LEN 24-> FCP_RSP_INFO 24+m-> FCP_SNS_INFO Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description Relative Offset Length of FCP_DATA IU that follows Description Field Validity and SCSI Status Residual Count Length of FCP_SNS_INFO field Length of FCP_RSP_INFO field...
  • Page 124 If the FCP_RSP_LEN_VALID flag in the FCP_STATUS field is set to 1b, this field contains a count of the number of valid bytes in the FCP_RSP_INFO field. Valid values are 0, 4, and 8. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 125: Task Attributes

    This attribute specifies that the task shall be accepted into the task set and executed next. Successive tasks received with Head of Queue attribute will be executed in LIFO order. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Size (Bytes)

  • Page 126: Task Management Functions

    RSP_CODE in the FCP_RSP_INFO field shall be as shown in Table 98 and all other fields shall be zeroes. Table 98: Task Management function RSP_CODE definitions Code Description No Failure (Function Complete) Function Rejected Service Delivery or Target Failure Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 127: Abort Task (Implemented As Abts Bls)

    Abort Task Set causes the Target to abort all tasks in the task set that were created by the Initiator. The action is equivalent to receiving a series of Abort Task requests. Previously established conditions such as Mode parameters and reservations are not affected. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 128: Terminate Task

    CA requires an interlocked interface to work. In a non-interlocked serial interface, the 'next' command could already be on its way before the faulted Initiator receives the CHECK CONDITION and sense data could be inadvertently lost. In SCSI-3, ACA replaces the SCSI-2 Contingent Allegiance and Extended Contingent Allegiance conditions. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 129: Autosense

    Check Condition status is returned. The sense data is returned in the I4 FCP_RSP IU. The FCP_SNS_LEN field indicates how many bytes of valid sense are con- tained in the FCP_SNS_INFO field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 130 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 131: Scsi Command Set

    Code 7Fh/09h 9Eh/10h A3h/05h A3h/0Ch A3h/0Dh A4h/06h Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description FORMAT UNIT (04), page 118 INQUIRY (12), page 125 LOG SELECT (4C), page 137 LOG SENSE (4D), page 140 MODE SELECT (15), page 165...
  • Page 132 7Fh/0Ah 7Fh/0Bh 7Fh/0Ch 7Fh/0Dh Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification SYNCHRONIZE CACHE (10) - (35), page 270 SYNCHRONIZE CACHE (16) - (91), page 271 TEST UNIT READY (00), page 272 VERIFY (2F), page 273 VERIFY (12) - (AF), page 276...

  • Page 133: Scsi Control Byte

    In this specification, where it is not explicitly stated, all multi-byte values are stored with the most significant byte first. For example, in a 4 byte field, byte 0 will contain the MSB and byte 3 the LSB. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0...

  • Page 134: Format Unit (04)

    • Defect List Format specifies the format of the defect descriptor transferred to the Target when FmtData bit is set to one. The Target supports the following three defect descriptor formats for the FORMAT UNIT command: Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 04h...
  • Page 135 To exit the degraded mode, another FORMAT UNIT command must be sent by the Initiator and com- pleted successfully by the Target. The FORMAT UNIT command sets the Unit Attention Condition for all Initiators except the one that issued the FOR- MAT UNIT command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 136: Parameter List Header

    An IP bit of one specifies that an Initialization Pattern Descriptor is included in the FORMAT UNIT parameter list following the parameter list header. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0...

  • Page 137: Defect Descriptor

    Check Condition status with the sense key set to Illegal Request and the additional sense code set to Invalide Field in Parameter List. 19.4.2.1 Block Format - 000b Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0 Initialization Pattern Type = 1...
  • Page 138 If a Defective LBA entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and DPRY = 1, then the entry is not added to the Glist. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defective Logical Block Address...
  • Page 139 If a Byte From Index entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and DPRY = 1, then the entry is not added to the Glist. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Cylinder Number of Defect...
  • Page 140 If a Physical Sector entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and DPRY = 1, then the entry is not added to the Glist. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Cylinder Number of Defect...

  • Page 141: Inquiry (12)

    The Peripheral Qualifier field of zero (0) indicates that the peripheral device is currently connected to this logical unit. A Peripheral Device Type field of zero (0) indicates that this device is a Direct Access Storage Device (DASD). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Operation Code = 12h...

  • Page 142: Inquiry Data

    • HiSup bit of 1 indicates that the drive uses the hierarchical addressing model to assign LUNs to logical units. 1.If an INVALID LUN is specified, a Check Condition status will be returned for all commands except INQUIRY and REQUEST SENSE. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0...
  • Page 143 • Link is set to zero to indicate that the Target does not support linked commands. • CmdQue is set to one to indicate that the drive supports command queuing. • Vendor ID is HITACHI padded with ASCII blanks. • Product ID is specified in table 3 of Section 4.3.1.
  • Page 144 • Page length specifies the length of the following page data. • Supported Page Code field contains the Page Codes supported by the Target. The list is in ascending order. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0...
  • Page 145 • Qualifier is set to zero to indicate that the LUN specified in the Command Block is currently supported. • Peripheral Device Type is set to zero to indicate that the device is Direct Access. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0...
  • Page 146 - 1 = OM_FLASH_OVERLAY - 2 = OM_DISK - 3 = OM_TRANSIENT Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification We have detected a hardware failure. We have a soft failure; i.e., incomplete format. Motor is still spinning. Drive is good but motor is stopped.
  • Page 147 • Page Length is set to 16, and this field specifies the length of the following page data. • Serial Number gives the drive serial number, right aligned. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0...
  • Page 148 Reserved = 0 7-63 • RTO (Reference Tag Ownership) is set to one to indicate that the drive supports application client ownership of the Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0 Page Code = 83h...
  • Page 149 • Mode Page Policy set to 00b indicates that all mode pages and subpages are shared. 19.5.1.8 Inquiry Data Format - EVPD = 1, Page Code - 88h Byte Qualifier = 0 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0 Page Code = 87h Page Length = 0004h...
  • Page 150 12-bit block assignment defined for each model and manufacturing site yy is the 2-bit port/node ID select n is the 22-bit drive unique serial number. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0...
  • Page 151 If the media is not available, bytes 0 through 3 are valid. All the other fields are ASCII blanks (20h). Note: All ASCII fields are alphanumeric, left aligned, and padded on the right with ASCII blanks (20h). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0 Page Code = D1h...
  • Page 152 If the media is not available, bytes 0 through 3 are valid. All the other fields are ASCII blanks (20h). Note: All ASCII fields are alphanumeric, left aligned, and padded on the right with ASCII blanks (20h). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Peripheral Device Type = 0 Page Code = D2h...

  • Page 153: Log Select (4C)

    If the data out buffer contains multiple pages then the application client should send the pages in ascending order. If the data out buffer contains multiple log parameters within a page,all log parameters within the page should be sent Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 4Ch...
  • Page 154 • Page 06h parameters: (Counters for non medium errors, seek and other hardware type failures) - Non-Medium Error Counter • Page 15h parameters: (Background Medium Scan information) - BMS Status parameter - all Medium Scan parameters Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 155 - Device Cache Write Hits - Device Cache Fast Writes - Device Cache Misses on Reads • Page 37h parameters: - Media PFA - Hardware PFA - Total Read Commands - Total Write Commands Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 156: Log Sense (4D)

    No bytes are transferred if the length is zero. This condition is not considered an error. TheTarget terminates the Data In phase when all available Log Sense data has been transferred or when the number of bytes equals the allocation length, whichever is less. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 4Dh Reserved = 0...

  • Page 157: Log

    - 10b: Data counter: If another parameter reported in this log page reaches its maximum value, then this param- eter shall not stop incrementing. This parameter may be reinitialized by a Log Select command. - 11b: List format binary data: No maximum values to handle. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 158: Log Sense

    Page 0 indicates the supported log sense pages. This page is used to determine which additional pages an Initiator can request. Table 118: Log Sense Page 0 Byte Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 0 Reserved Page Length = 000Dh(Number of Pages Supported)

  • Page 159: Log Sense

    DS = 0 56-63 Table 120: Log Sense Page 2 (part 2 of 2) Byte 64-65 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 02h Reserved PageLength = 54h Parameter Code = 0000h TSD = 0 ETC = 0...
  • Page 160 All parameter counts indicate the number of sectors with the specified types of errors, except Times Recovery Invoked, which is a cumulative count of all recovery steps attempted on all sectors written. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification TSD = 0 ETC = 0...

  • Page 161: Log Sense

    DS = 0 56-63 64-65 Table 122: Log Sense Page 3 (part 2 of 2) Byte Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 03h Reserved PageLength = 54h Parameter Code = 0000h TSD=0 ETC = 0...
  • Page 162 All parameter counts indicate the number of sectors with the specified types of errors, except Times Recovery Invoked, which is a cumulative count of all recovery steps attempted on all sectors read. ECC-on-the-fly correction is not included in any counters. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification TSD = 0 ETC = 0 TMC = 0...

  • Page 163: Log Sense

    DS = 0 44-51 52-53 DU = 0 DS = 0 56-63 64-65 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 05h Reserved PageLength = 54h Parameter Code = 0000h TSD = 0 ETC = 0 TMC = 0...
  • Page 164 All parameter counts indicate the number of sectors with the specified types of errors, except Times Recovery Invoked, which is a cumulative count of all recovery steps attempted on all sectors verified. ECC-on-the-fly correction is not included in any counters. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification TSD = 0 ETC = 0 TMC = 0...

  • Page 165: Log Sense

    Table 125: Log Sense Page 6 Byte Reserved DU = 0 DS = 0 8-15 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 06h Reserved PageLength = 0Ch Parameter Code = 00h TSD = 0 ETC = 0...

  • Page 166: Log Sense

    Reserved DU = 0 DS = 1 10-11 DU = 0 DS = 1 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 0Dh Reserved PageLength = 0Ch Parameter Code = 0000h TSD = 0 ETC = 0...

  • Page 167: Log Sense

    LOG SELECT command. The data is expected in numeric ASCII characters (30-39h) in the form YYYYWW. The accounting date specified by parameter code 0002h is a parameter that can be saved using the LOG SELECT command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 0Eh Reserved...

  • Page 168: Log Sense

    Byte Parameter code 0000h through 003Fh are supported. The values stored in the parameter bytes represent data sent to the device in a previous LOG SELECT command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 0Fh Reserved...

  • Page 169: Log Sense

    • Function Code contains the content of the Function Code field in the SEND DIAGNOSTIC command that initiated this self-test. • Self-Test Results Value is described in the table below. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 10h Reserved...
  • Page 170 Reserved. The self-test is in progress. • Extended Segment Number This field identifies the number of the segment that failed during self-test. If no segment failed, this field will be 00h. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 171 See Section 19.40 “SEND DIAGNOSTIC (1D)” on page 262, for detailed listing of operations carried out by SEND DIAG- NOSTIC command and Power on Diagnostics. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Extended Self-Test Drive Ready Test...

  • Page 172: Log Sense

    • Power On Minutes indicates the total power on minutes at the time the log page is requested • BMS Status is described in the following table BMS Status Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 15h Reserved...
  • Page 173 • Reassign Status is set as shown below. Reassignment during the background scan is not supported. Reassign Status No reassignment needed Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description Not supported Background scan halted due to medium formatted without P-List...
  • Page 174 (if auto write reallocation is allowed) from the initiator 02h-5h Not supported 6h - Fh Reserved Additional Sense Code and Additional Sense Code Qualifier provide details about the error detected. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 175: Log Sense Page 2F

    Table 135: Log Sense Page 2F Byte Reserved DU = 0 DS = 0 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 2Fh Reserved PageLength = 8 Parameter Code = 0000h TSD = 0 ETC = 0...

  • Page 176: Log Sense

    The length of the initial seek that is required to access the first Logical Block specified for the SCSI command determines which seek counter is incremented. The Zero Seek counter is incremented if a seek is not required or if only a head switch is Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 30h...
  • Page 177 The number of times that data was available to be transferred from the media but the device buffer still contained data that had not been retrieved by the Initiator. Consequently, the disk had to take additional revolutions until the buffer was available to accept data. • UNDER RUN COUNTER Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 178 The statistics reported by this page are lost on a self-initiated reset or when the Drive is powered off. Even though the DS field equals zero, the parameters on this page are not savable. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 179: Log Sense

    Total Write Commands counter is incremented for each Write (6), Write (10), Write Verify and Write Verify (16) command received. Flash Correction Count is incremented each time ECC correction is applied to data stored in Flash ROM. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page code = 37h Reserved...
  • Page 180 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 181: Mode Select (15)

    Initiators except for the one that issued the MODE SELECT command. The drive shall set the additional sense code to Parameters Changed (2Ah). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 15h...

  • Page 182: Mode Select (55)

    The MODE SELECT (55) command provides a means for the Initiator to specify LUN or device parameters to the Target. See the MODE SELECT (15) command for a description of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 55h...

  • Page 183: Mode Sense (1A)

    Note: For a value field such as the buffer ratios of page 2 the bit field will not indicate the range of supported values but rather that the field is supported. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 1Ah...

  • Page 184: Mode Parameter List

    Table 142: Mode parameter header (6) Byte WP=0 Reserved=0 The 10-byte CDB header is defined below. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Mode Data Length Medium Type = 0 DPOFUA Block Descriptor Length (= 0 or 8) Reserved = 0...
  • Page 185 Mode Select. Ignoring it allows the Mode Sense Parameter List for the byte containing this bit to be re-used as a Mode Select Parameter List. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Mode Data Length Medium Type = 0...

  • Page 186: Block Descriptor

    When used with the MODE SENSE command, the field is dependent on how the media is currently formatted. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Number of Blocks Density code = 0...

  • Page 187: Page Descriptor

    The page length field specifies the length in bytes of the mode parameters that follow. If the Initiator does not set this value to the value that is returned for the page by the MODE SENSE command, the drive will terminate the command with Check Con- dition status. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code Page Length...

  • Page 188: Mode Page 00 (Vendor Unique Parameters)

    When this bit is reset, commands are always executed based on the queue reordering rules. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 00h...
  • Page 189 When set to zero, the drive will actively drive the bus lines high, rather than rely on an external pull-up resistor. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 190: Mode Page 01 (Read/Write Error Recovery Parameters)

    • EER an Enable Early Recovery bit, must be set to zero, indicating that the drive shall use an error recovery procedure that minimizes the risk of misdetection or miscorrection during the data transfer. Data shall not be fabricated. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 01h...
  • Page 191 Check Condition will be returned. The Recovery Time Limit will not be applied yo Writes when WCE=1. A value of zero disables the timer. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 192 Data transfer stops when an unrecoverable error is encountered. The unrecoverable block is not transferred to the Initiator. The drive then creates the Check Condition status with the appropri- ate sense key. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 193 LBA of the block in error. hard err Data transfer stops on the unrecoverable error. The unrecoverable error block is returned to the Initiator. The drive then creates the Check Condition status with the appropriate sense key. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 194 LBA of the block in error. hard err Data transfer stops on the unrecoverable error. The unrecoverable error block is returned to the Initiator. The drive then creates the Check Condition status with the appropriate sense key. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 195: Mode Page 02 (Disconnect/Reconnect Parameters)

    0Ch across all notches. • Maximum Burst Size is not supported, and any value in this field is ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 02h Page Length = 0Eh...

  • Page 196: Mode Page 03 (Format Device Parameters)

    16-17 (MSB) 18-19 SSEC HSEC 21-23 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 03h Page Length = 16h Tracks per Zone Alternate Sectors per Zone = 0 Alternate Tracks per Zone = 0 Alternate Tracks per Logical Unit = 0...
  • Page 197 • RMB = Zero indicates that the media does not support removable Fixed Disk. • SURF = Zero indicates that progressive addresses are assigned to all logical blocks in a cylinder prior to allocating addresses within the next cylinder. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 198: Mode Page 04 (Rigid Disk Drive Geometry Parameters)

    The rigid disk drive geometric page specifies various parameters for the drive. • RPL = 0, Indicates that the drive does not support spindle synchronization. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 04h Page Length = 16h...

  • Page 199: Mode Page 07 (Verify Error Recovery Parameters)

    LBA during the verify operation. The value must be from 40 ms to 65535 ms (65.5 seconds). The granularity of the timer is 50 ms. If an LBA is not able to be recovered within the limit, a Check Condition will be returned. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 07h...

  • Page 200: Mode Page 08 (Caching Parameters)

    Good status for a WRITE (6) or WRITE (10) command after successfully receiving the data but before writing it to the media. When WCE = 1, the drive operates as if AWRE = 1. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 08h...
  • Page 201 LBCSS bit. The Cache Segment Size field is valid only when the SIZE bit is one. It is ignored when SIZE is set at zero. • Non Cache Segment Size is not supported and is ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Definition...

  • Page 202: Mode Page 0A (Control Mode

    Initiator that received the Check Condition status. The sense key will be set to Unit Attention and the additional sense code will be set to Commands Cleared by Another Initiator. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 0Ah Page Length = 0Ah...

  • Page 203: Control Extension Subpage

    Reserved = 0 6-31 No fields in the Control Extension subpage are currently changeable. The page is supported for compatibility only. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 0Ah Subpage Code = 1 Page Length = 001Ch...

  • Page 204: Mode Page 0C (Notch Parameters)

    - Write Buffer Empty Ratio •Mode Page 3 - Alternate Sector per Zone - Alternate Track per Zone Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 0Ch Page Length = 16h Reserved = 0 Reserved = 0...
  • Page 205 00h. If a bit is one, then the corresponding mode page contains parameters that may be dif- ferent for different notches. If a bit is zero, then the corresponding mode page contains parameters that are constant for all notches. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 206: Mode Page 19H (Fibre Channel Port Control Page)

    When DTIPE is zero, the Target inserts itself onto the loop without waiting for a Loop Port Enable primitive. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 19h...
  • Page 207 - The Sense Key is set to Illegal Request and the Additional Sense Code is set to INVALID FIELD in the PARAM- ETER LIST. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Units of measure for RR_TOV No timer is specified 0.1 seconds...

  • Page 208: Mode Page 1A (Power Control)

    Standby power state. The minimum allowable inactivity time is 2 minutes. Any value less than this is accepted, but will automatically default to 2 minutes. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 1Ah...

  • Page 209: Mode Page 1C (Informational Exceptions Control)

    The method of reporting these errors is determined from the MRIE field. • LOGERR (Log Errors) is not used and ignored internally by the Target. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 1Ch Page Length = 0Ah...
  • Page 210 • Report Count field indicates the number of times the Target reports an informational exception condition. The Report Count of ZERO indicates no limits on the number of times the Target reports an informational exception condition. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 211 • Maximum Time To Suspend Background Scan specifies the maximum time, in milliseconds, that the drive should delay before processing a new command while background scanning is in progress. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 1Ch...

  • Page 212: Mode Sense (5A)

    The MODE SENSE (5A) command provides a means for the drive to report various device parameters to the Initiator. See the MODE SENSE (1A) command for a description of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 5Ah...

  • Page 213: Persistent Reserve In (5E)

    If the remainder of the data is required, the ini- tiator should send a new PERSISTENT RESERVE IN command and an Allocation Length large enough to contain all data. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 5Eh...

  • Page 214: Service Action

    Read Keys Read Reservations Report Capabilities Read Full Status 04h-1Fh Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Name Reads all registered Reservation Keys Reads all current persistent reservations Returns capability information Reads complete information about all registra- tions and the persistent reservation, if any...

  • Page 215: Parameter Data For Read Keys

    This shall not be considered an error. The Reservation Key list contains the 8-byte reservation keys for all Initiators that have registered through all ports with the Target. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Generation Additional length (n-7)

  • Page 216: Parameter Data For Read Reservations

    14-15 .The Scope of each persistent reservation created by a PERSISTENT RESERVE OUT command will be returned. See the PERSISTENT RESERVE OUT command section for details. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Generation Additional length (n-7) Reservation descriptors...

  • Page 217: Persistent Reserve Out (5F)

    Parameter List Length must be 18h. If not, Check Condition status will be returned, with sense key of Illegal Request and additional sense code of Parameter List Length Error. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 5Fh...

  • Page 218: Service Action

    Preempt and Abort Register and Ignore existing key 07h-1Fh Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description Register a reservation key Create a persistent reservation using a reservation key Release a persistent reservation Clear all reservation keys and all persistent reservations...

  • Page 219: Type

    Registrants Only Exclusive Access Registrants Only 7h-Fh Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description Reserved Reads Shared: Any initiator may execute commands that transfer from the media. Writes Exclusive: Only the initiator with the reservation may execute com- mands that transfer data to the media;...

  • Page 220: Parameter List

    If the last valid APTPL bit value received is one, any persistent reservation and all reservation keys for all initiators will be retained across power cycles. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reservation Key...

  • Page 221: Summary

    Table 172: PERSISTENT RESERVE OUT, Service Action, Parameters Service Action Scope Type (0) Register ignore (1) Reserve apply (2) Release apply (5) Preempt and apply Abort Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Parameters SvcAct S-spec Extent RsvKey addr length verify save ignore ignore verify...
  • Page 222 19.13.4.7 Generation counter The drive increments the Generation counter when Register service action or Preempt and Clear service action complete suc- cessfully. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification The last valid APTPL value all keys are set to 0...

  • Page 223: Pre-Fetch (34)

    If the Immed bit is set to one, the drive returns a Check Condition status. The sense key shall be set to Illegal Request and the additional sense code shall be set to Invalid Field in CDB. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 34h...

  • Page 224: Read (6) - (08)

    Error recovery procedure (ERP) handles errors. The error recovery parameters specified by the MODE SELECT command control ERPs. If the drive is formatted with protection information, no protection information will be transmitted or checked. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 08h (MSB)

  • Page 225: Read (10) - (28)

    Invalid Field in CDB. • RDPROTECT=000b Protection information is not transmitted to the initiator and is not checked. RDPROTECT=001b Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 28h Rsvd= Logical Block Address Reserved = 0...
  • Page 226 If the transfer length is zero, no data is transferred. The CDB is validated and protocol checked and, if no problems are found, Good status is returned immediately. This condition is not considered an error. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 227: Read (12) - (A8)

    The READ(12) command causes the drive to transfer data to the initiator. See the READ(10) description for the definitions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = A8h Logical Block Address...

  • Page 228: Read (16) - (88)

    The READ(16) command causes the drive to transfer data to the initiator. See the READ(10) description for the definitions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 88h Logical Block Address...

  • Page 229: Read (32) - (7F/09)

    Illegal Request and additional sense code of Invalid Command Operation Code. If RTO_EN is one, this com- mand will be processed normally. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 7Fh Reserved = 0...
  • Page 230 If the ATO bit is set to one in Mode Page 0A and the checking of the Logical Block Application Tag field is disabled, or if the ATO bit is set to zero, the Logical Block Application Tag Mask field and the Expected Logical Block Application Tag field are ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 231: Read Buffer (3C)

    01011 Echo Buffer Descriptor 11010 Enable Expander Communications Protocol and Echo Buffer All others Not supported Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 3Ch Mode Buffer ID = 0 Buffer Offset Allocation Length Reserved = 0...

  • Page 232: Combined Header And Data (Mode 00000B)

    WRITE BUF- FER command. Following the READ BUFFER header the drive will transfer data from its data buffer. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 233: Read Data (Mode 00010B)

    Allocation Length The drive terminates the DATA IN phase when allocation length bytes of data have been trans- ferred or when the header and all available data have been transferred to the Initiator, whichever is less. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 234: Descriptor (Mode 00011B)

    The value contained in the Buffer Offset field of subsequent WRITE BUFFER and READ BUFFER commands should be a multiple of two to the power of the offset boundary. The offset boundary is always set to nine, which indicates Sector Bound- aries. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Offset Boundary = 0x09 Buffer Capacity...

  • Page 235: Read Data From Echo Buffer (Mode 01010B)

    The Buffer ID and Buffer Offset fields are ignored in this mode. Note: The echo buffer is a separate buffer from the data buffer used with other read buffer modes. It is intended to be used for domain validation purposes. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 236: Echo Buffer Descriptor (Mode 01011B)

    EBOS (Echo Buffer Overwritten Supported) bit of zero indicates that the echo buffer is shared by all Initiators. • Buffer Capacity field returns the size of the echo buffer in byte aligned to a 4-byte boundary. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0 Reserved = 0...

  • Page 237: Enable Expander Communications Protocol And Echo Buffer (Mode11010B)

    SCSI target devices that receive a READ BUFFER command with this mode shall process it as if it were a READ BUFFER command with mode 01010b (Read Data from Echo Buffer (Mode 01010b)*, page 219. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 238: Read Capacity (10) - (25)

    This option provides the information that the Initiator needs to determine the amount of space available on the same track that is accessible without a head switch or seek. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 25h...

  • Page 239: Returned Data Format

    Table 185: Format of READ CAPACITY command reply Byte (MSB) (MSB) • Block Length specifies the length in bytes of each block of user data (not including protection information). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Maximum Logical Block Address Block Length (LSB) (LSB)

  • Page 240: Read Capacity (16) (9E/10)

    The READ CAPACITY (16) (9E/10) command returns information regarding the capacity of the drive. This command is pro- cessed like the standard READ CAPACITY (25) command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 9Eh Reserved = 0...

  • Page 241: Returned Data Format

    PROT_EN (Protection Enable) bit set to one indicates that the drive was formatted with protection information enabled. A PROT_EN bit set to zero indicates that the drive was not formatted with protection information enabled. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Maximum Logical Address...

  • Page 242: Read Defect Data (37)

    The drive sends defect list (Defect Descriptors) in a 8-byte Absolute Block Address (ABA) format that follows a four byte Defect List Header. The Target will transfer all of the Read Defect Data up to the number of bytes allocated by the Initiator. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 37h Reserved = 0...
  • Page 243 Defect Data has been transferred to the Initiator, whichever is less. The Read Defect Data contains a 4-byte header followed by zero or more defect descriptors. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Returned Defect List Format Physical Sector...

  • Page 244: Defect List Header

    19.23.1 Defect List Header Table 190: Defect List Header Byte Reserved = 0 (MSB) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect List Header Reserved = 0 Plist Glist Defect List Format Defect List length (LSB)

  • Page 245: Defect List Descriptor

    19.23.2 Defect List Descriptor Table 191: Defect List Descriptor Byte 8n - (8n+7) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect List Descriptor Defect Descriptor 0 Defect Descriptor n...

  • Page 246: Bytes From Index Format (100B)

    Defect Bytes from Index is gotten using the following equation: Bytes from Index = (Physical Sector Number) * N Where: N = Bytes per sector Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect Descriptors Cylinder Number of Defect Head Number of Defect...

  • Page 247: Physical Sector Format (101B)

    Recovered Error and the additional sense code set to Partial Defect List Transferred. The defect list length will be set to 0FFF8h, indicating the maximum number of defect descriptors that can be transferred. Defects beyond this number cannot be read by the Initiator. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect Descriptors Cylinder Number of Defect...

  • Page 248: Read Defect Data (B7)

    Table 194: READ DEFECT DATA (B7) Byte Reserved = 0 (MSB) VU = 0 (See Section 19.23 “READ DEFECT DATA (37)” on page 226.) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = B7h Plist Glist Reserved = 0 Allocation Length...

  • Page 249: Defect List Header

    19.24.1 Defect List Header Table 195: Defect List Header Byte Reserved = 0 (MSB) (See Defect List Header for Read Defect Data (37) in Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect List Header Reserved = 0 Plist Glist Reserved = 0 Defect List length Section Table 19.23.1, “Defect List Header,”...

  • Page 250: Defect List Descriptor

    Table 196: Defect List Descriptor Byte 8n - (8n+7) (See Defect List Descriptor for Read Defect Data (37) in Section 19.23.2 “Defect List Descriptor” on page 229.) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect List Descriptor Defect Descriptor 0 Defect Descriptor n...

  • Page 251: Bytes From Index Format (100B)

    Defect Bytes from Index is derived using the following equation: Bytes from Index = (Physical Sector Number) + N where N = Bytes per sector. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect Descriptors Cylinder Number of Defect Head Number of Defect...

  • Page 252: Physical Sector Format (101B)

    19.24.4 Physical Sector Format (101b) Table 198: Defect Descriptors of Physical Sector Format Byte (MSB) (MSB) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Defect Descriptors Cylinder Number of Defect Head Number of Defect Defective Sector Number (LSB) (LSB)

  • Page 253: Read Long (3E)

    The transfer length is calculated as follows: transfer length = logical block size + 56 The data read by this command is neither read from nor retained in the cache. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 3Eh Reserved = 0...

  • Page 254: Reassign Blocks (07)

    Upon successful completion of this command, the location of the physical sectors reassigned during the command are added to the Glist. The reassigned sectors are marked defective and cannot be accessed again until after a format operation discards the Glist. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 07h Reserved = 0...
  • Page 255 Defective Logical Block Address is four bytes in length. The Initiator can specify from 1 to 4 Defective Logical Block Addresses according to the Defect List Length from 4 to 16, respectively. LBAs are not required to be in ascending order. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0 Reserved = 0...

  • Page 256: Receive Diagnostics Results (1C)

    CHECK CONDITION status and sense data is built with the Sense Key and Additional Sense Code indicating ENCLOSURE SERVICES UNAVAILABLE. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 1Ch Reserved = 0...

  • Page 257: Receive Diagnostic Results

    Table 203: Receive Diagnostic Results page 0 Byte 5-19 The supported diagnostic page returns a list of supported pages in ascending order. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 0 Reserved = 0 Page Length = 12h...

  • Page 258: Enclosure Service Information (Esi)

    Table 205: ESI Page Format Byte (MSB) If the enclosure supports ’short’ mode, only page 08h is supported. If the enclosure supports ’long’ mode, pages 01h-0Fh are supported. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Receive Diagnostic Command Configuration Enclosure Status Help Text...

  • Page 259: Receive Diagnostic Results

    (bytes 6 to 9) of the page data. For a physical format it is as follows: Table 207: Translated address Byte Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 40h Reserved = 0...
  • Page 260 Cylinder Number Head Number 10-13 Sector Number or Bytes from Index Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 261: Receive Diagnostic Page A0H

    Page A0h. For a description of the parameters in this page, see 19.34.3, "Send Diagnostic Page A0h" on page 231. Table 208: Device LED Control Page - Receive Diagnostic Byte (MSB) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = A0h Reserved = 0 Page Length = 0002h...

  • Page 262: Release (17)

    3rd Party ID is ignored. • Extents must be 0. Extension is not supported by the drive. • Reservation Identification field is ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 17h 3rdPty=0 3rd Party ID Reservation Identification...

  • Page 263: Release (57)

    3rd Party ID is ignored. • Extents must be 0. Extension is not supported by the drive. • Reservation Identification field is ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 57h 3rdPty=0 Reserved = 0 Reservation Identification...

  • Page 264: Report Device Identifier (A3/05)

    The REPORT DEVICE IDENTIFIER parameter list contains a 4-byte field that contains the length in bytes of the parameter list and the logical unit's identifier. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = A3h Service Action = 05h...
  • Page 265 The sense key is set to Not Ready and the additional sense data is set as described in the TEST UNIT READY command. This information should allow the application client to determine the action required to cause the device server to become ready. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Identifier Length = n - 3 Identifier...

  • Page 266: Report Luns (A0)

    The LUN list length shall contain the length in bytes of the LUN list that is available to be transferred. This product only sup- ports one LUN. Therefore, the LUN list length must be set to 8. The only supported LUN is zero. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = A0h...

  • Page 267: Report Supported Operation Codes (A3/0C)

    Requested Operation Code specifies the operation code of the command to be returned in the one_command parameter data format. Requested Service Action specifies the service action of the command to be returned in the one_command parameter data format. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = A3h Service Action = 0Ch Requested Operation Code...
  • Page 268 The actual length of the parameter data may be determined from the Additional Length field in the parameter data. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 269: All_Commands Parameter Data Format

    SERVACTV set to one indicates the operation code field has service actions and the contents of the Service Action field are valid. CDB Length contains the length of the command CDB in bytes. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Data Length (n-3) Command Descriptor 0...

  • Page 270: One_Command Parameter Data Format

    CDB, the usage map will contain a one in the corresponding bit position. The usage map will contain a zero in the corresponding bit position for any field treated as ignored or reserved. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved = 0...

  • Page 271: Report Supported Task Management Functions (A3/0D)

    TRS (Target Reset) bit set to one indicates that TARGET RESET is supported. A TRS bit of zero indicates that TARGET RESET is not supported. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = A3h Reserved = 0...
  • Page 272 WAKES (Wakeup) bit set to one indicates that WAKEUP is supported. A WAKES bit of zero indicates that WAKEUP is not supported. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 273: Request Sense (03)

    Check Condition as this will not affect other initiators in a multi-Initiator system. The drive will return the number of bytes in the allocation length or 32 bytes, whichever is less. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 03h...

  • Page 274: Reserve (16)

    Reservation queuing is not supported by the drive. If a LUN is reserved and a RESERVE command is issued from a different Initiator, the Target responds with a RESERVATION CONFLICT. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 16h...

  • Page 275: Reserve (56)

    Reservation queuing is not supported by the drive. If a LUN is reserved and a RESERVE command is issued from a different Initiator, the Target responds with a RESERVATION CONFLICT. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 56h...

  • Page 276: Rezero Unit (01)

    Table 219: REZERO UNIT (01) Byte Reserved = 0 VU = 0 The REZERO UNIT command requests that the Target seek LBA 0. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 01h Reserved = 0 Reserved = 0 Reserved = 0...

  • Page 277: Seek (6) - (0B)

    READ CAPACITY command, the Drive returns a Check Condition status with a sense key of Illegal Request and an addi- tional sense code of Invalid Field in CDB. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 0Bh...

  • Page 278: Send Diagnostic (1D)

    SlfTst set to one indicates that the device performs its default self-test. If SlfTst is one, the Function code field is ignored. If SlfTst is set to zero, the action to perform is specified in Function code field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 1Dh...
  • Page 279 See Section Diagnostics*, page 333 for a detailed listing of operations carried out by the SEND DIAGNOSTIC command and Power on Diagnostics. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description Value to be used when the SlfTst bit is set to one or if the SEND DIAGNOSTIC command is not invoking one of the other self-test function codes.

  • Page 280: Send Diagnostic

    This page requests that the drive return a list of supported pages on the next RECEIVE DIAGNOSTICS command. Table 224: Diagnostic Page 0 Byte 2 - 3 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 0 Reserved = 0 Page Length = 0...

  • Page 281: Send Diagnostic

    Check Condition status with a sense code of Illegal Request and Illegal Field in Parameter List. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = 40h...
  • Page 282 (bytes 6 to 9) contain the LBA and the remainder must be zero. For the physical format the address must be specified as follows. Table 226: Address to translate Byte Cylinder Number Head Number 10-13 Sector Number or Bytes from Index Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 283: Send Diagnostic Page A0H

    CHECK CONDITIONS Status. The sense key shall be set to Illegal Request and the Additional Sense code set to Illegal Field in CDB. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Page Code = A0h Reserved = 0...

  • Page 284: Set Device Identifier (A4/06)

    Table 229: SET DEVICE IDENTIFIER, Parameter List Byte The IDENTIFIER field is a vendor specific value, to be returned in subsequent REPORT DEVICE IDENTIFIER commands. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = A4h Service Action = 06h...

  • Page 285: Start Stop Unit (1B)

    Once the drive has become ready (after a power on), the START STOP UNIT command can be used without any errors regardless of the state of the motor: stopped or spinning. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 1Bh...

  • Page 286: Synchronize Cache (10) - (35)

    Number of Blocks specifies the total number of contiguous logical blocks within the range. Number of Blocks of zero indicates that all remaining logical blocks on the logical unit shall be within the range. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 35h...

  • Page 287: Synchronize Cache (16) - (91)

    The SYNCHRONIZE CACHE command ensures that logical blocks in the cache have their most recent data value recorded on the media. See the SYNCHRONIZE CACHE (10) description for definitions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 91h...

  • Page 288: Test Unit Ready (00)

    Check Condition status with Not Ready sense key and In Process of Becoming Ready sense code for all other com- mands during the Power On period. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 00h Reserved = 0...

  • Page 289: Verify (2F)

    Protection information is stored on disk, and may be validated using the drive's internal checking algorithms, and also byte-by-byte compared using data from the initiator when ByteChk=1. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 2Fh...
  • Page 290 If ByteChk=1, the drive's internal checking of protection information is done only when VRPROTECT=000b and the drive is formatted with protection information Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 291 Data Out phase.. Refer to the ANSI T10 standards for additional details of protection information. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 292: Verify (12) - (Af)

    The VERIFY(12) command causes the drive to verify data written on the media. See the VERIFY(10) description for the def- initions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = AFh Reserv...

  • Page 293: Verify (16) - (8F)

    The VERIFY command requests that the drive verify the data written on the media. See the VERIFY (10) description for the definitions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 08Fh...

  • Page 294: Verify (32) - (7F/0A)

    Illegal Request and additional sense code of Invalid Command Operation Code. If RTO_EN is one, this com- mand will be processed normally. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 0FFh Reserved = 0...
  • Page 295 If the ATO bit is set to one in Mode Page 0A and the checking of the Logical Block Application Tag field is disabled, or if the ATO bit is set to zero, the Logical Block Application Tag Mask field and the Expected Logical Block Application Tag field are ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 296: Write (6) - (0A)

    The WRITE command requests the drive to write the specified number of blocks of data (Transfer Length) from the Initiator to the medium starting at the specified Logical Block Address (LBA). See Section 19.15 “READ (6) - (08)” on page 208 for the parameters. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 0Ah (MSB)

  • Page 297: Write (10) - (2A)

    WRPROTECT defines the manner in which protection information written to disk shall be checked during processing of the command. Protection information may be transmitted to the drive with the user data, based on the WRPROTECT bit and the drive format. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 2Ah Rsvd=0...
  • Page 298 If a check of the protection information fails, Check Condition status will be returned with sense key of Aborted Command and additional sense code indicating which protection field check failed. Refer to the ANSI T10 standards for additional details of protection information. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 299 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 300: Write (12) - (Aa)

    19.52 WRITE (12) - (AA) Table 240: Write (12) - (AA) Byte WRPROTECT (MSB) (MSB) VU = 0 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = AAh Logical Block Address Transfer Length Reserved=0 Reserved = 0 Rsvd=0...

  • Page 301: Write (16) - (8A)

    The WRITE(16) command causes the drive to write data from the initiator to the media. See the WRITE(10) description for the definitions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 8Ah...

  • Page 302: Write (32) - (7F/0B)

    26-27 (MSB) 28-31 The WRITE command requests that the drive write data transferred from the initiator to disk. Each logical block transferred Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 7Fh Reserved = 0 Reserved = 0...
  • Page 303 If the ATO bit is set to one in Mode Page 0A and the checking of the Logical Block Application Tag field is disabled, or if the ATO bit is set to zero, the Logical Block Application Tag Mask field and the Expected Logical Block Application Tag field are ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 304: Write And Verify (10) - (2E)

    The Initiator should set the DPO bit when the blocks written by this command are not likely to be read again in the near future. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 2Eh Reserved = 0...

  • Page 305: Write And Verify (12) - (Ae)

    The WRITE AND VERIFY command requests that the drive write the data transferred from the Initiator to the medium and then verify that the data is correctly written. See the WRITE AND VERIFY (10) description for the definitions of the fields in this command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = AEh Reserved = 0...

  • Page 306: Write And Verify (16) - (8E)

    The WRITE AND VERIFY command requests that the drive write the data transferred from the Initiator to the medium and then verify that the data is correctly written. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 8Eh...

  • Page 307: Write And Verify (32) - (7F/0C)

    Illegal Request and additional sense code of Invalid Command Operation Code. If RTO_EN is one, this com- mand will be processed normally. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 7Fh Reserved = 0...
  • Page 308 If the ATO bit is set to one in Mode Page 0A and the checking of the Logical Block Application Tag field is disabled, or if the ATO bit is set to zero, the Logical Block Application Tag Mask field and the Expected Logical Block Application Tag field are ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 309: Write Buffer (3B)

    If any values other than shown above are specified, Check Condition status is returned with a sense key of Illegal Request and additional sense code of Invalid Field in CDB. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 3Bh...

  • Page 310: Combined Header And Data (Mode 00000B)

    Request and additional sense code to Illegal Field in CDB. A Parameter List Length of less than four (size of header) indicates no data is transferred. The 4-byte header consists of all reserved bytes. Table 247: Write Buffer Header Byte Reserved = 0 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 311: Write Data (Mode 00010B)

    If an invalid value is specified, the command is terminated with Check Condition status. And the drive shall set the sense key to Illegal Request and additional sense code to Illegal Field In CDB. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 312: Download Microcode (Mode 00100B)

    If such a microcode is released from development, then it will include appropriate instructions on the function of new microcode and its effect on the drive operations after download. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 313: Download Microcode And Save (Mode 00101B) -Single Binary File

    Buffer ID field is used to indicate which portion of the microcode image is being downloaded. To download microcode, the buffer ID should be set to 00h. Other values are reserved for Hitachi development purposes only. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 314: Download Microcode And Save (Mode 00111B) - Multiple Binary Files

    The Buffer Offset field is ignored. After all segments of the binary microcode file have been received, the drive behavior is the same as Download Microcode and Save (Mode 00101b) - Single Binary File. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 315: Write Data To Echo Buffer (Mode 01010B)

    Upon successful completion of a WRITE BUFFER command the data will be preserved in the echo buffer unless there is an intervening command to any logical unit, in which case it may be changed. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 316: Enable Expander Communications Protocol (Mode 11010B)

    19.59.7 Enable Expander Communications Protocol (Mode 11010b) In this mode the drive behavior is the same as Write Data to Echo Buffer (Mode 0101b). Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 317: Write Long (3F)

    The valid and ILI bits are set to one and the information field is set to the difference of the requested length minus the actual length in bytes. Negative values are indicated by two's complement notation. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 3Fh...

  • Page 318: Write Same (41)

    • RelAdr (Relative Block Address) is not supported and must be set to be zero. The data for this command is not retained in the cache. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 41h PBDA Reserved = 0...

  • Page 319: Write Same (16) - (93)

    This command is useful for writing large data areas without sending all of the data over the SCSI bus. See the WRITE(10) command description for the definition of the WRPROTECT field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 93h...

  • Page 320: Write Same (32) - (7F/0D)

    WRPROTECT field and the drive format. Each logical block written includes user data and, if the drive is for- matted with protection information enabled, protection information. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Command Code = 7Fh...
  • Page 321 If the ATO bit is set to one in Mode Page 0A and the checking of the Logical Block Application Tag field is disabled, or if the ATO bit is set to zero, the Logical Block Application Tag Mask field and the Expected Logical Block Application Tag field are ignored. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 322 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 323: Scsi Status Byte

    This status indicates that the target's command queue is full. If a tagged command queuing feature is enabled and there is no room on the command queue, this status is returned when the initiator sends a command. For this status, sense data are not valid. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification RSVD...
  • Page 324 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 325: Additional Information

    All L_Ports must provide sufficient buffering to receive and transmit the LIxx frames that are circulated during the Loop Ini- tialization Procedure. The largest of these (LILP and LIRP) have a 132 byte payload and are supported by the drive. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 326 1103 0000h 1104 0000h 1105 0000h 1106 0000h 1107 0000h Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 8 - byte Port_Name 16 - byte AL_PA bit map 16 - byte AL_PA bit map 16 - byte AL_PA bit map...

  • Page 327: Flow Control

    SCSI Processes use the PRLI Extended Link Service. • Implicit Login is enabled via setting of mode page 19h. When enabled, PLOGI and PRLI are not required and a default set of parameters is assumed. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 328: Public Loop Operation

    Discard and Send LOGO Discard and Send LOGO Discard and Send LOGO Discard and Send LOGO Discard and Send LOGO Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification PLOGI but no PRLI BA_ACC or BA_RJT(1) ACC(2) or LS_RJT ACC(2) or LS_RJT...

  • Page 329: Nl_Port Initialization

    During LIP, if the port had an AL_PA prior to the LIP, and the port had completed FLOGI, then the port attempts to acquire its Fabric-assigned AL_PA during LIFA sequence. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Fabric a) FLOGI...
  • Page 330 This completes initialization for the port. i) Non FLA The port is not connected to a loop that contains an FL_Port. The port completes initialization based on the rules described in PLDA profile. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 331: Scsi Protocol

    X3.270-1996. Since the value of the OX_ID is required by FC-PH to be unique, there is no requirement for an FCP logical unit to check for overlapping commands." Thus the drive does not perform any overlapped command checking. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 332: Command Processing During Execution Of Active I/O Process

    Degraded Mode (see 21.6.9, “Degraded Mode” on page 320) and a Start Unit command was pre- viously queued but has not yet begun execution. • Busy status is never returned. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 333: Unit Attention Condition

    In this case, a unit attention condition is generated for the initiator that held the cleared registration or reservation. • A Predictive Failure Analysis threshold has been reached and the Method of Reporting field of mode page 1Ch is 2h. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 334 Do not execute the command, return a CHECK CONDITION status, clear the highest priority unit attention condition for this initiator and return the associated sense data. More than one unit attention condition may be generated for an initiator before that initiator clears the unit attention condition. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 335: Command Processing During Startup And Format Operations

    Execution of a Format Unit command with the immediate bit of one ends with an error. • Execution of a Write command with WCE (Write Cache Enable) bit of one ends with an error. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 336: Degraded Mode

    - RAM Code, Configuration Sector Revision Mismatch • Format Command Failure Degraded. This condition is caused when Format Unit command failed or was interrupted abnormally (Mode Page 0, byte 5, bit 4 FDD controls Format Degraded mode) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 337 Executed. Good Status is returned. Motor Degraded Mode is NOT cleared (Stop) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0402h (Initialize Command Required) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 338 Sense Key 02h (Not Ready) ASC/ASCQ 4085h (Diag Fail-RAM Code NOT load) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0401h (In Process of Becoming Ready) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 339 Executed. Good Status is returned. Motor Degraded Mode is NOT cleared (Stop) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0400h (Start Spindle Motor Fail) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 340 Executed. Good Status is returned. Motor Degraded Mode is NOT cleared (Stop) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0402h (Initialize Command Required) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 341 Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 4080h (Diag Fail- Bring up Fail) Other Commands Sense Key 02h (Not Ready) ASC/ASCQ 4085h (Diag Fail-RAM code NOT load) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 342 NOT cleared. Other Commands Not Executed. Check Condition Status is returned with Sense Key 03h (Medium Error) ASC/ASCQ 3100h (Format Corrupted) Note: Mode Page 0 byte 5 bit 4 (FDD) = 0 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 343: Command Processing While Reserved

    Request Sense • Report LUNs • Test Unit Ready These commands are executed prior to attempting to complete the execution of any other pending command in the queue. These commands are never queued. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 344: Command Queuing

    When a concurrent command ends in CHECK CONDITION status, the QErr bit on the Mode Page 0Ah will determine how other active I/O processes from the same initiator for that drive will be handled. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 345: Write Cache

    The setting of the ARRE bit is checked and the target will automatically rewrite/reallocate or recommend rewrite/reassign for the following commands. • Read • Write For all other commands the ARRE setting is ignored and the target will not automatically rewrite/ reallocate or recommend rewrite/reassign. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 346 Recovered Data without ECC - Data Rewritten Recovered Data with ECC Recovered Data with ECC - Auto Reallocated Recovered Data with ECC - Recommend Reassign Recovered Data with ECC - Data Rewritten Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 347: Segmented Caching

    (if any). The Host can discover this by using a RECEIVE DIAGNOSTIC RESULTS command to request Diag- notic Page 00h. When requested to communicate with the enclosure via the SEND and RECEIVE DIAGNOSTIC commands, the drive goes Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 348: Enclosure Initiated Esi

    Reset actions will return the drive to a known, initialized state. This device supports the Hard reset option as defined in the SCSI standards (see 7.1.9 Dev_Ctrl_Code_x on page 33) and the reset sources discussed below. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 349: Reset Sources

    1. Validation of ROM and EEPROM 2. RAM test for internal RAM 3. Test and Initialize HDC registers 4. RAM test for Sector Buffer 5. Start Spindle Motor (if Auto spin up enable) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 350: Self-Test Via Send Diagnostic Command

    ABORT TASK SET, or CLEAR TASK SET task management function. If the drive receives an ABORT TASK, ABORT TASK SET, or CLEAR TASK SET task management function while performing a self-test in the foreground mode, it will abort the self-test and update the self-test results log page. Background mode Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 351 Extended tests, is the sequential verify test in segment 7h. Also note that either of these tests can be run in foreground or back- Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 0. Note that the only difference between the Short and the...
  • Page 352 Reserved Area of the disk. Perform 4000 random verify operations and insure no uncorrectable errors. Sequential verify operation. Ensure that no uncorrect- able errors occur within the verify range. Same as segment 3h. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 353: Idle Time Function

    A time-out of one minute or more is recommended but NOT required. The larger system time-out limit allows the system to take advantage of the extensive ERP/DRP that the drive may attempt in order to successfully complete the startup sequence. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 354: Medium Access Command Time

    The command time-out for a command that is not located at the head of the command queue should be increased by the sum of command time-outs for all of the commands that are performed before it is. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 355: Recommended Initiator Erp

    The first priority is to replace the entire drive to make the system operational with minimal service time. The service rep- resentative should: 1. Back up all the customer data on this drive if possible 2. Replace the complete drive 3. Restore the customer data 4. Return the drive to customer service Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 356: Recommendations For System Error Log

    Failure of the system to properly relocate defective media sites can have a direct influence on system throughput and drive error rates. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 357: Data Error Logging

    Recovered Data without ECC - Auto Reallocated Recovered Data without ECC - Data Rewritten Recovered Data with ECC Recovered Data with ECC - Auto Reallocated Recovered Data with ECC - Data Rewritten Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 358: Nondata Error Recovery Procedure

    If the retry of the failing command completes with Recovered sense or Hardware error sense, then service the drive using the service guideline recommended in Section 21.21.1, “Drive Service Strategy” on page 339. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 359 Recovery for a failed power up sequence is achieved in one of the following ways: Issuing a Unit start (1B) command Power cycling the drive. If the failure repeats, service the drive using the service guideline recommended in Section 21.21.1, “Drive Service Strategy” on page 339. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 360 Sense Key = B (Aborted Command) with Additional Sense Code of 44 or 48 are drive caused abort conditions. The initiator should: 1. Retry the failing command. 2. If the retry of the failing command completes with Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 361 A Set Device Identifier (A4) command successfully completed. This means that the Set Device Identifier information field has been updated. (See 19.41, “SET DEVICE IDENTIFIER (A4/06)” on page 268) A Unit Attention Condition is reported to all initiators excluding the initiator that issued the Set Device Identifier command. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 362 1/1C/01 or 1/1C/02, the requested defect list is not in the format that the Drive supports. The requested defect list is returned in the physical (cylinder, sector, head) format. This is the default format. There is no initiator action required for this condition. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 363 Check Condition Status for Check sum error, service the drive using the service guidelines recommended in Section 21.21.1, “Drive Service Strategy” on page 339. • Check Condition Status for any other error, follow the recommendations for the returned sense data. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 364: Predictive Failure Analysis

    Service for this drive can be deferred. The longer service is deferred, the more probable a failure can occur that will require immediate service. If more than this drive is experiencing error activity, the drive is probably not at fault. Locate and service the outside source causing error activity on this drive. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 365: Scsi Sense Data

    (MSB) 8-11 SKSV 16-17 18-19 20-23 24-29 30-31 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Error Code (70h or 71h) RSVD = 0 Information Bytes Additional Sense Length Product Specific Information Additional Sense Code Additional Sense Code Qualifier FRU = 0...

  • Page 366: Sense Data Description

    No Incorrect Length condition. Incorrect Length Indicated. Command = Read Long or Write Valid Long? Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description No incorrect length condition Requested Logical block Length does not match the logical block length of the data...

  • Page 367: Sense Key (Bit 3 - 0 Of Byte 2)

    Indicates that the drive entered in the 'Unit Attention Condition'. (See Section 21.6.5, “Unit Attention Condi- tion” on page 317) Data Protect Not used Vendor Specific Not used Aborted command The drive aborted the command. Ch-Dh Not Implemented Miscompare Reserved Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 368: Information Bytes (Byte 3 Through 6)

    Indicates the remaining number of bytes in the sense data. (It is always set to 18h.) 22.2.7 Command Specific Information (Byte 8 through 11) This field is unused and will be set to zero. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 369: Additional Sense Code/Qualifier (Byte 12 And 13)

    17F8 Servo Recovered read/write abort SVGA limit error 17FA Servo Recovered read/write abort gray code error 17FC Servo Recovered read/write abort burst error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = No Sense Sense Key = Recovered Error...
  • Page 370 Recovered Data with Retries 1722 Recovered small thermal asperity 172C Recovered media error 172E Recovered media error (off-line correction discarded) Recovered Data Without ECC - Data Auto-Reallocated E705 Media error with OTF correction - reassigned Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 371 1749 Partial defect list transferred (Defect list longer than 64KB, 64 KB of data returned - Read Defect Data only) Internal Target Failure F123 Invalid request to enter sleep mode F128 DRAM test in progress F129 DRAM test complete Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 372 1417 Servo: Recovered Truncated rezero 1419 Servo: Recovered Heads not loaded 1425 Servo: Recovered KT Seek out of range 1427 Servo: Recovered DAC Offset calibration error 1429 Servo: Recovered Load speed error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 373 162E Recovered Channel Pre-TA error 1630 Recovered Channel write or NRZ parity error 1632 Recovered Channel write synth unlock error 1634 Recovered AE Short write read head error 1636 Recovered AE Short write head error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 374 SMART: Extreme over-temperature warning Predictive Failure Analysis Threshold Reached xA50 SMART: Load/unload cycle count warning Predictive Failure Analysis Threshold Reached xA5B SMART: Spin-up retry count warning Predictive Failure Analysis Threshold Reached Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 375 Vendor Unique - Logical Unit Not Ready F133 BATS error: Vendor ID mismatch Medium Format Corrupted - Reassign Failed 1506 Reassign failed Format Command Failed 1507 Format failed Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = Not Ready Sense Key = Medium Error...
  • Page 376 F756 DST slot size error F757 P-list full F758 Spare list full Random Positioning Error F715 Unrecovered sector overflow F73E Unrecovered sector miss F771 Unrecovered SID timeout F7B3 Unrecovered abort window error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 377 1556 ESI: transfer failed - write ack 1557 ESI: transfer failed - read ack 1558 ESI: transfer failed - write ready 1559 ESI: transfer failed - read ready Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = Hardware Error...
  • Page 378 F116 BATS error: Logical-to-physical invalid F117 BATS error: Defect manager invalid F11D Incorrect Disk Code F11F RPO SID invalid F121 BATS error: Code download in progress F122 BATS error: Performance data read error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 379 F31C Motor: Unrecovered Power driver version error F31E Motor: Unrecovered Over current error F322 Motor Unrecovered Negative regulator fault F324 Motor Unrecovered Module overtemp error F326 Motor Unrecovered 12V or 5V OK error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 380 F44A Servo Unrecovered TCFR out-of-range error F603 Channel/AE target failure F604 Channel/AE calibration error F607 Unrecovered data with PPM or precomp load F609 Unrecovered data with TA detection F60B Unrecovered with SMM or VM or DDF Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 381 F713 Unrecovered ECC error F717 Unrecovered overrun F71B Unrecovered ECC overrun F71D Unrecovered DRAM CRC error F71F Unrecovered ID Parity error F732 Unrecovered Write Fault F75A Unknown unrecovered error F799 Unrecovered ID not found error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 382 150C Illegal request - invalid field in CDB 1542 SPC buffer not allocated Vendor Unique - Illegal Request 1545 Formatted without P-List Logical Unit Not Supported 150D Invalid LUN Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = Illegal Request...
  • Page 383 Unit Attention - Self Initiated Reset Occurred 1519 Self initiated reset Transceiver Changed to SE 151A Tranceiver changed to single-ended (SCSI only) 1548 Hard Reset received Transceiver Changed to LVD Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = Unit Attention...
  • Page 384 Information Unit Too Long 1562 Information unit too long. Logical Unit Not Supported 1529 Unsupported LUN (SCSI only) Aborted Command - Echo Buffer Overwritten 1544 Echo buffer overwritten Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = Aborted Command...
  • Page 385 1531 Message parity error - target (SCSI only) Information Unit iuCRC Error Detected 1543 IU SCSI CRC error Initiator Detected Error Message Received 1532 Initiator detected error message received (SCSI only) Invalid Message Error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 386 1534 Overlapped command attempted Command Aborted Due To Loop Initialization 153F Abort by LIP (FC-AL only), Abort by OOB (SAS) Miscompare During Verify Operation 1535 Miscompare during verify Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Sense Key = Miscompare...
  • Page 387 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 388: Ru: Field Replaceable Unit (Byte 14)

    When a mul- tiple byte field id is in error, the pointer points to the most significant byte of that field. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved...
  • Page 389 These fields are defined for the Format unit (04h) command with the Immediate bit set to one and the Send Diagnostic (1Dh) command with Background self-test function. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Actual Retry Count ERP Type...
  • Page 390 Progress Indication is not valid. Progress Indication is valid. Progress Indication Indicates a percent complete in which the returned value is the numerator that has 10000h as its denominator. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Reserved Progress Indication (LSB)

  • Page 391: Reserved (Byte 18 Through 19)

    0FFFFFFFFFFFFh for Valid = 0 and ILI = 0. This Physical Error Record field is valid for Sense Key 1, 3, and 4 only. Valid Description Cylinder Number (bytes 24-26) Head number (byte 27) Sector Number (bytes 28-29) 0x000000000000 0x000000000000 - (not used/invalid) 22.2.14 Reserved (Byte 30 through 31) Reserved fields are filled with zero. Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 392 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...

  • Page 393: Appendix. Uec List

    The list of Unit Error Codes and descriptions does not have a direct correlation to the error descriptions and Sense Key/Code/ Qualifier descriptions in Section 22.0, “SCSI Sense Data” on page 349. These codes are used internally by Hitachi and may change without notice.
  • Page 394 Motor: Unrecovered Open Loop Commutation failure 1305 Motor: Recovered No feedback detected error F306 Motor: Unrecovered No feedback detected error 1307 Motor: Recovered Settle timeout F308 Motor: Unrecovered Settle timeout 1309 Motor: Recovered Gross speed error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 395 Servo: Recovered Back EMF movement in progress F404 Servo: Unrecovered Back EMF movement in progress 1405 Servo: Recovered Back EMF timeout error F406 Servo: Unrecovered Back EMF timeout error 1407 Servo: Recovered ADC conversion timeout Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 396 Servo: Recovered RRO Calibration timeout F42C Servo: Unrecovered RRO Calibration timeout 142D Servo: Recovered ADC Calibration error F42E Servo: Unrecovered ADC Calibration error 142F Servo: Recovered ADC Offset error F430 Servo: Unrecovered ADC Offset error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 397 Invalid opcode in CDB 150B LBA out of range 150C Illegal request - invalid field in CDB 150D Invalid LUN 150E Illegal request - invalid field in parameter list 150F Saved parameter not supported Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 398 Inappropriate or illegal message (SCSI only) 1534 Overlapped command attempted 1535 Miscompare during verify 1536 Reservation conflict 1537 Device identifier changed 1539 ESI: unspecified failure (FC-AL only) 153A ESI: unsupported function (FC-AL only) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 399 End-to-End Data Protection Reference Tag check 156B ECC error in DRAM customer data area 156C Uncorrectable DRAM ECC error F56C Log dump data corrupt F56F Log dump data memory error 1570 Host interface CRC error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 400 Unrecovered AE write data BLS error 1624 Recovered AE invalid head address error F625 Unrecovered AE invalid head address error 1626 Recovered AE power supply error F627 Unrecovered AE power supply error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 401 D708 Media error with OTF correction - rewritten 1709 Media error with offline correction D70A Media error with offline correction - reassigned E70B Media error with offline correction - recommend reassign Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 402 Unrecovered media error 172E Recovered media error (off-line correction discarded) F72F Unrecovered media error (off-line correction discarded) 1731 Recovered Write Fault F732 Unrecovered Write Fault 1733 Recovered read/write abort F734 Unrecovered read/write abort Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 403 Read/write command timeout 1770 Recovered SID timeout F771 Unrecovered SID timeout F772 DASH starting timeout F773 ID table timeout F774 Servo timeout F775 Buffers timeout F776 DASH done timeout F777 DASH unknown timeout Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 404 Servo Recovered read/write abort seek start error F7E7 Servo Unrecovered read/write abort seek start error 17E8 Servo Recovered read/write abort PES reset error F7E9 Servo Recovered read/write abort PES reset error Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 405 SMART: Spare sector availability warning (unit attn sense) 1A32 SMART: Read error rate warning (no sense) 2A32 SMART: Read error rate warning (recovered sense) 3A32 SMART: Read error rate warning (unit attn sense) Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 406 SMART: Thermal Sense trip (unit attn sense) 1AFF SMART: Test warning (no sense) 2AFF SMART: Test warning (recovered sense) 3AFF SMART: Test warning (unit attn sense) FCxx Unable to read RID or FID number xx Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification Description...
  • Page 407 Basic Link Services ...57 basic link services ...57 basic reject (BA_RJT) ...59 Block Descriptor ...170 block format ...121 Breather Hole ...40 buffer overrun ...161 buffer underrun ...161 Byte ordering conventions ...117 bytes from index format...123 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 408 Deferred Error Condition...319 Degraded Mode...320 device cache fast writes ...162 device cache partial read hits ...162 device cache write hits ...162 Diagnostics...333 Disable Block Descriptor...167 document identifier ...88 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 409 FC-AL attachment ...53 FC-AL Connector ...19 FC-AL timers ...100 FCP_CDB ...106 FCP_CMND IU ...105 FCP_CNTL ...105 FCP_DL ...106 FCP_LUN ...105 FCP_RESID...108 FCP_RSP_INFO ...109 FCP_RSP_LEN ...108 FCP_SNS_INFO...109 FCP_SNS_LEN ...108 FCP_XFER_RDY...107 Flammability ...51 Flow Control ...311 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 410 ...85 Labels...45 link failure...101 link failure count ...85 link service accept (LS_ACC) ...61 link service reject (LS_RJT) ...62 Log Page Parameters ...141 LOG SELECT...137 LOG SELECT (4C) ...137 LOG SENSE ...140 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 411 NL_Port address ...54 Node and Port names ...54 node name ...54, 78 Non-operating shock...42 Non-operating Vibrations ...41 Obtaining an AL_PA ...309 obtaining an AL_PA ...309 open sequences per exchange ...71 Operating shock ...41 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 412 Primary Defect List...226 primitive sequence ...55 primitive sequence protocol error ...85 primitive signal ...55 Priority Commands ...327 Priority commands ...327 process login (PRLI) ...78 process logout (PRLO) ...82 Product ID...8 public loop operation ...312 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 413 Report Recovered Non Data Errors ...172 REQUEST SENSE (03)...257 RESERVE (16) ...258 RESERVE (56) ...259 Reserved Area...243 Reset...332 Reset Actions ...333 responder process associator...79, 91 REZERO UNIT (01)...260 Ripple Voltage ...32 RNC flags ...86 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 414 Start/Stop Cycles...33 Storage requirements ...26 Storage time ...26 Summary ...205 Swept Sine Vibration ...41 SYNCHRONIZE CACHE (35) ...270 target reset...112 Task Attributes...109 Task Management functions ...110 task management functions...103 Temperature and humidity...25 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 415 WRITE (6) - (0A) ...280 WRITE AND VERIFY (2E)...288, 290 WRITE BUFFER (3B) ...300 Write Buffer Empty Ratio...179 Write Cache ...329 Write Cache Enable ...184 WRITE LONG (3F)...301 Write Retention Priority...185 Write Retry Count...175 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 416 WRITE SAME (41) ...302 zero seeks ...161 Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification...
  • Page 417 References in this publication to Hitachi Global Storage Technologies products, programs or services do not imply that Hitachi Global Storage Technologies intends to make these available in all countries in which Hitachi Global Storage Technologies operates. Product information is provided for information pur- poses only and does not constitute a warranty.

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