User Manual

SCSI Commands Reference Manual, Rev. J 143
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
See the READ (10) command for the definitions of the GROUP NUMBER field, the RDPROTECT field, the DPO bit, the FUA bit, the
RARC bit, the LOGICAL BLOCK ADDRESS field, and the TRANSFER LENGTH field.
EXPECTED INITIAL LOGICAL BLOCK REFERENCE TAG field
When checking of the LOGICAL BLOCK REFERENCE TAG field is enabled (see table 98), 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.
EXPECTED LOGICAL BLOCK APPLICATION TAG and LOGICAL BLOCK APPLICATION TAG MASK fields
If the ATO bit in the Control mode page (see 5.3.12) 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 98), 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 com-
mand. A LOGICAL BLOCK APPLICATION TAG MASK field 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 98), 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.