Table 107 Stream Error Log Entry - Hitachi HDS723020BLA642 Specifications

The Data Structure Version field shall contain a value of 02h indicating the second revision of the structure
format.
The Read Stream Error Log Count field shall contain the number of uncorrected sector entries currently
reportable to the host. This value may exceed 31.
The Error Log Index indicates the error log data structure representing the most recent error. Only values
(31:1) are valid.
Table 106 defines the format of each entry in the Read Stream Error Log.
Description
Feature Register Contents Value (current)
Feature Register Contents Value (previous)
Status Register Contents Value
Error Register Contents Value
LBA (7:0)
LBA (15:8)
LBA (23:16)
LBA (31:24)
LBA (39:32)
LBA (47:40)
Reserved
Sector Count (LSB)
Sector Count (MSB)
Reserved

Table 107 Stream Error Log entry

Byte (1:0) contains the contents of the Feature Register when the error occurred. This Value shall be set to
0FFFFh for s deferred write error.
Byte 2 contains the contents of the Status Register when the error occurred.
Byte 3 contains the contents of the Error Register when the error occurred.
Byte (9:4) indicates the starting LBA of the error.
Byte (13:12) indicate the length of the error. Therefore, each entry may describe a range of sectors at the
given address and spanning the specified number of sectors.
Hitachi hard disk drive specifications
159
Bytes Offset
1
1
1
1
1
1
1
1
1
1
2 0A-0Bh
1 0Ch
1 0Dh
2 0E-0Fh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h