User Manual

SCSI Commands Reference Manual, Rev. J 336
www.seagate.com Parameters for direct access devices
5.2.11.6 Power On Minutes Since Format log parameter
The Power On Minutes Since Format log parameter for the Format Status log page has the format defined in table 309.
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 309 for the Power On Minutes Since Format log
parameter.
TSD bit
The target save disable (TSD) bit (see SPC-5) shall be set to zero for the Power On Minutes Since Format log parameter, indicating that the logi-
cal unit saves the Power On Minutes Since Format 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 309 for the Power On Minutes Since Format log
parameter.
POWER ON MINUTES SINCE FORMAT field
The POWER ON MINUTES SINCE FORMAT field contains the unsigned number of usage minutes (i.e., minutes with power applied regardless of
power state) that have elapsed since the most recent successful format operation.
Table 309 Power On Minutes Since Format log parameter format
Bit
Byte
7 6 5 4 3 2 1 0
0
(MSB)
PARAMETER CODE (0004h)
1
(LSB)
2
PARAMETER CONTROL BYTE – binary format list log parameter (see 5.2.2.2.2.5)
3
PARAMETER LENGTH (08h)
4
(MSB)
POWER ON MINUTES SINCE FORMAT
. . .
n
(LSB)