User Manual

SCSI Commands Reference Manual, Rev. J 244
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.56 VERIFY (12) command
The VERIFY (12) command (see table 212) requests that the device server verify the specified logical block(s) on the medium.
Each logical block includes user data and may include protection information, based on the VRPROTECT field and the medium
format.
See the VERIFY (10) command (see 3.55) for the definitions of the fields in this command.
Table 212 VERIFY (12) command
Bit
Byte
7 6 5 4 3 2 1 0
0
OPERATION CODE (AFh)
1
VRPROTECT DPO Reserved BYTCHK Obsolete
2
(MSB)
LOGICAL BLOCK ADDRESS
. . .
5
(LSB)
6
(MSB)
VERIFICATION LENGTH
. . .
9
(LSB)
10
Restricted For
MMC-5
Reserved GROUP NUMBER
11
CONTROL