User Manual

SCSI Commands Reference Manual, Rev. J 240
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
If the BYTCHK field is set to 01b or 11b, then the device server shall check the protection information transferred from the data-out buffer based
on the VRPROTECT field as described in table 210.
Table 210 VRPROTECT field with BYTCHK field set to one 01b or 11b - data-out buffer (Sheet 1 of 2)
Code
Logical unit
formatted with
protection
information
Field in
protection
information
Device server
check
If check fails
[d] [e]
, additional sense code
000b
Ye s
No protection information received from application client to check
No
No protection information received from application client to check
001b [b]
Ye s
LOGICAL BLOCK
GUARD
Shall
LOGICAL BLOCK GUARD CHECK FAILED
LOGICAL BLOCK
APPLICATION TAG
May [c]
LOGICAL BLOCK APPLICATION TAG CHECK FAILED
LOGICAL BLOCK
REFERENCE TAG
Shall [f]
LOGICAL BLOCK REFERENCE TAG CHECK FAILED
No
Error condition
[a]
010b [b]
Ye s
LOGICAL BLOCK
GUARD
Shall not
No check performed
LOGICAL BLOCK
APPLICATION TAG
May [c]
LOGICAL BLOCK APPLICATION TAG CHECK FAILED
LOGICAL BLOCK
REFERENCE TAG
May [f]
LOGICAL BLOCK REFERENCE TAG CHECK FAILED
No
Error condition
[a]
011b [b]
Ye s
LOGICAL BLOCK
GUARD
Shall not
No check performed
LOGICAL BLOCK
APPLICATION TAG
Shall not
No check performed
LOGICAL BLOCK
REFERENCE TAG
Shall not
No check performed
No
Error condition
[a]
100b [b]
Ye s
LOGICAL BLOCK
GUARD
Shall
LOGICAL BLOCK GUARD CHECK FAILED
LOGICAL BLOCK
APPLICATION TAG
Shall not
No check performed
LOGICAL BLOCK
REFERENCE TAG
Shall not
No check performed
No
Error condition
[a]