User Manual

SCSI Commands Reference Manual, Rev. J 261
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
See the WRITE AND VERIFY (10) command (see 3.64) for the definitions of the GROUP NUMBER field, the WRPROTECT field, the
DPO bit, the BYTCHK field, the LOGICAL BLOCK ADDRESS field, and the TRANSFER LENGTH field.
When checking of the LOGICAL BLOCK REFERENCE TAG field is enabled (see table 217), the EXPECTED INITIAL LOGICAL BLOCK
REFERENCE TAG field contains the value of the LOGICAL BLOCK REFERENCE TAG field expected in the protection information of
the first logical block accessed by the command instead of a value based on the LBA.
If the ATO bit is set to one in the Control mode page (see 5.3.12) and checking of the LOGICAL BLOCK APPLICATION TAG field is
enabled (see table 217), the LOGICAL BLOCK APPLICATION TAG MASK field contains a value that is a bit mask for enabling the
checking of the LOGICAL BLOCK APPLICATION TAG field in the protection information for each logical block accessed by the
command. A LOGICAL BLOCK APPLICATION TAG MASK bit set to one enables the checking of the corresponding bit of the
EXPECTED LOGICAL BLOCK APPLICATION TAG field with the corresponding bit of the LOGICAL BLOCK APPLICATION TAG field in
the protection information.
If the ATO bit is set to one in the Control mode page (see 5.3.12) and checking of the LOGICAL BLOCK APPLICATION TAG field is
disabled (see table 217), or if the ATO bit is set to zero, the LOGICAL BLOCK APPLICATION TAG MASK field and the EXPECTED
LOGICAL BLOCK APPLICATION TAG field shall be ignored.