User Manual

SCSI Commands Reference Manual, Rev. J 150
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
The error history directory is defined in table 112.
T10 VENDOR IDENTIFICATION field
The T10 VENDOR IDENTIFICATION field contains eight bytes of left-aligned ASCII data identifying the manufacturer of the logical unit. The T10
vendor identification shall be one assigned by INCITS.
NOTE The T10 VENDOR IDENTIFICATION field may contain a different value than the VENDOR
IDENTIFICATION field in the standard INQUIRY data
(see 3.6.2) (e.g., this field may indicate a disk drive
component vendor while the standard INQUIRY data indicates the original equipment
manufacturer).
VERSION field
The VERSION field indicates the version and format of the vendor specific error history. The VERSION field is assigned by the vendor indicated in
the T10 VENDOR IDENTIFICATION field.
Table 112 Error history directory
Bit
Byte
7 6 5 4 3 2 1 0
0
(MSB)
T10 VENDOR IDENTIFICATION
.
. . .
7
(LSB)
8 VERSION
9
Reserved
EHS_RETRIEVED EHS_SOURCE CLR_SUP
10
Reserved
. . .
29
30
(MSB)
DIRECTORY LENGTH (n-31)
31
(LSB)
Error history directory list
32
Error history directory entry [first]
(see table 115)
.
. . .
39
. . .
n-7
Error history directory entry [last]
(see table 115)
. . .
n