Dell MD1420 Hardware Owner's Manual
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Dell MD1420 Hardware Owner's Manual

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Dell Storage MD1420 Enclosures
Hardware Owner's Manual

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Summary of Contents for Dell MD1420

  • Page 1 Dell Storage MD1420 Enclosures Hardware Owner's Manual...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2014 - 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents 1 About your enclosure........................5 Physical specifications................................5 Front-panel features and indicators............................ 5 Front-bezel features and indicators............................ 6 Hard disk drive indicator patterns............................7 Back-panel features and indicators............................. 8 Enclosure Management Module............................8 Enclosure failover when two EMMs are installed......................9 EMM thermal shutdown..............................
  • Page 4 Troubleshooting power supply unit or cooling fan module.....................28 Troubleshooting enclosure cooling problems........................29 Troubleshooting Enclosure Management Modules......................29 Troubleshooting hard disk drives............................29 Troubleshooting enclosure connections...........................30 Troubleshooting a wet enclosure............................30 Troubleshooting a damaged enclosure..........................30 4 Getting help..........................32 Contacting Dell..................................32 Documentation feedback..............................32 Contents...

  • Page 5: About Your Enclosure

    About your enclosure Physical specifications Table 1. Enclosure dimensions and weight Measurement Value Height 8.7 cm (3.43 in) Width 48.2 cm (18.98 in) Depth - includes PSU handle 53.9 cm (21.2 in) Weight - maximum configuration 24.2 kg (53.35 lb) Weight - empty 8.8 kg (19.4 lb) Front-panel features and indicators...

  • Page 6: Front-Bezel Features And Indicators

    Front-bezel features and indicators Figure 2. Front-bezel features and indicators Item Indicator, Button, or Icon Description Connector Enclosure status LED The enclosure status LED lights when the enclosure power is on. Lights solid blue during normal operation. Blinks blue when a host server is identifying the enclosure or when the system identification button is pressed.

  • Page 7: Hard Disk Drive Indicator Patterns

    Hard disk drives are not ready for insertion or removal during this time. The Dell PowerEdge RAID controller PERC H830 and 12Gb SAS HBA may take up to a minute to discover and initialize all the hard disk drives.

  • Page 8: Back-Panel Features And Indicators

    Back-panel features and indicators Figure 4. Back-panel features and indicators Item Indicator, Button, or Connector Description Power supply unit or cooling fan module 600 W power supply. (PS1) For more information, see Power indicator codes. Primary enclosure management module The EMM provides: (EMM 0) •...

  • Page 9: Enclosure Failover When Two Emms Are Installed

    EMM thermal shutdown If critical internal temperatures are reached, the enclosure turns off automatically through either a thermal shutdown command issued by the EMM firmware or through a command from Dell OpenManage Server Administrator. Power indicator codes Figure 6. Power indicator codes...

  • Page 10: Other Information You May Need

    • The Dell PowerEdge RAID Controller (PERC) H830 and Dell 12Gb SAS HBA User’s Guide provides information about configuring RAID. • Any media that ships with your system that provides documentation and tools for configuring and managing your system, including those pertaining to the operating system, system management software, system updates, and system components that you purchased with your system.

  • Page 11: Installing Enclosure Components

    Installing enclosure components Recommended tools You may need the following items to perform the procedures in this section: • Key to the system keylock • #2 Phillips screwdriver • Wrist grounding strap Front bezel (optional) Removing the front bezel 1. Using the system key, unlock the front bezel (if locked). 2.

  • Page 12: Hard Disk Drives

    Hard disk drives Safety: Models AMT, E03J, and E04J Models AMT, E03J, and E04J are intended for installation only in restricted access locations as defined in cl 1.2.7.3 of IEC 60950-1:2005. On the basis of your configuration, your enclosure either supports up to 24 2.5-inch SAS hard disk drives in internal drive bays. Hard disk drives are connected to a backplane using hard disk drive carriers and are configured as hot-swappable.

  • Page 13: Installing A Hard Disk Drive

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. 1. If installed, remove the front bezel. See Removing the front bezel.

  • Page 14: Removing A Hard Disk Drive From A Hard Disk Drive Carrier

    Removing a hard disk drive from a hard disk drive carrier 1. Remove the four screws from the slide rails on the hard disk drive carrier. 2. Lift the hard disk drive out of the hard disk drive carrier. Remove the screws from the slide rails on the hard disk drive carrier and separate the hard disk drive from the carrier. Figure 10.

  • Page 15: Installing An Emm Blank

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 16: Installing An Emm

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 17: Removing An Ac Power Supply Unit Or Cooling Fan Module

    Removing an AC power supply unit or cooling fan module NOTE: If you remove a fully functioning power supply or cooling fan module, the fan speed in the remaining module increases significantly to provide adequate cooling. The fan speed decreases gradually when a new power supply or cooling fan module is installed.

  • Page 18: About Dc Power Supply Units

    Figure 14. Securing the power cable a. Velcro strap CAUTION: When connecting the power cable, secure the cable with the Velcro strap. NOTE: If the enclosure is powered on, all the power supply LEDs remain off until the AC power cable is connected to the power supply unit or cooling fan module and the power switch is turned on.

  • Page 19: Dc Power Supply Module Back Panel Features

    Item Color State Power output Green • ON — Normal operation. Power supply is connected to DC power and the power switch is on. The power supply module is supplying DC power to the array. • OFF — Indicates any one of the following: •...
  • Page 20 Do not attempt connecting to DC power or installing grounds yourself. All electrical wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product.
  • Page 21 Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product. The DC power supply module must be hard-wired to a DC power source in your environment by a qualified electrician. To wire your DC power supply module to a DC power source: 1.
  • Page 22 DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself .All electrical wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product. CAUTION: The system requires one power supply for normal operation.
  • Page 23 Do not attempt connecting to DC power or installing grounds yourself. All electrical wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product.
  • Page 24 DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. All electrical wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product. CAUTION: The system requires one power supply for normal operation.

  • Page 25: Control Panel

    Temperature Maximum operation ambient temperature 35° C For information about supported expanded operating temperature range and configurations, see dell.com/support/manuals. Control panel Removing the control panel 1. Turn off the enclosure and host server. 2. Disconnect all the power cables connected to the enclosure.

  • Page 26: Removing The Backplane

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 27: Installing The Backplane

    Figure 23. Removing and installing the backplane a. screws (4) b. captive screw c. backplane Installing the backplane 1. Align the holes on the backplane with the holes on the enclosure. 2. Tighten the captive screw to secure the backplane to the chassis. 3.

  • Page 28: Troubleshooting Your Enclosure

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 29: Troubleshooting Enclosure Cooling Problems

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 30: Troubleshooting Enclosure Connections

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. 1. Remove the hard disk drive from the enclosure. See Removing a hard disk drive.
  • Page 31 1. Ensure that the following components are properly installed: • Hard disk drives • EMMs • Power supply unit or cooling fan modules • Control panel • Backplane 2. Ensure that all the cables are properly connected and that there are no damaged pins in the connectors. 3.

  • Page 32: Getting Help

    Documentation feedback If you have feedback for this document, write to documentation_feedback@dell.com. Alternatively, you can click on the Feedback link in any of the Dell documentation pages, fill out the form, and click Submit to send your feedback. Getting help...

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