User Manual

SCSI Commands Reference Manual, Rev. J 332
www.seagate.com Parameters for direct access devices
If the most recent format operation failed or the information for a Format Status log parameter is not available, then the device
server shall return FFh in each byte of the log parameter data (i.e., bytes four to n of the log parameter), if any, for the Format
Status log parameter (e.g., if the PARAMETER LENGTH field is set to 04h, then the log parameter data shall be set to FFFF_FFFFh).
The device server shall set each Format Status log parameter to be a multiple of four bytes.
5.2.11.2 Format Data Out log parameter
The Format Data Out log parameter of the Format Status log page has the format defined in table 305.
PARAMETER CODE field
The PARAMETER CODE field is described in 4.2.2.2.2 and shall be set to the value shown in table 305 for the Format Data Out log parameter.
TSD bit
The target save disable (TSD) bit (see SPC-5) shall be set to zero for the Format Data Out log parameter, indicating that the logical unit saves the
Format Data Out log parameter at vendor specific intervals without any request from an application client.
PARAMETER LENGTH field
The PARAMETER LENGTH field is described in SPC-5 and shall be set to the value shown in table 305 for the Format Data Out log parameter.
FORMAT DATA OUT field
After a successful format operation, the FORMAT DATA OUT field contains the FORMAT UNIT parameter list (see table 38).
Table 305 Format Data Out log parameter format
Bit
Byte
7 6 5 4 3 2 1 0
0
(MSB)
PARAMETER CODE (0000h)
1
(LSB)
2
PARAMETER CONTROL BYTE – binary format list log parameter (see 5.2.2.2.2.5)
3
PARAMETER LENGTH (n-3)
4
(MSB)
FORMAT DATA OUT
. . .
n
(LSB)