Specifications

When PERSISTENT RESERVE OUT command with Register and Ignore Existing Key service
action completes successfully, the Generation counter is incremented.
When keys are registered, the drive returns RESERVATION CONFLICT status against the
RESERVE command and the RELEASE command.
8.13.2 Scope
The drive implements scope codes as follows. If a code which is not supported or a reserved code is
specified, the drive returns a CHECK CONDITION status. The sense key is set to ILLEGAL REQUEST
and the additional sense data is set to INVALID FIELD IN CDB. In case of PERSISTENT RESERVATION
OUT command executing a Register service action, this field is ignored.
---ReservedReserved3h-Fh
No
Persistent reservation applies to
the specific element
Element2h
---obsolete1h
Yes
Persistent reservation applies to
the full logical unit
LU0h
SupportDescriptionNameCode
Figure 114. Persistent Reservation Scope Code
8.13.3 Type
The drive implements type codes as follows. If a code which is not supported or a reserved code is
specified, the drive returns a CHECK CONDITION status. The sense key is set to ILLEGAL REQUEST
and the additional sense code is set to INVALID FIELD IN CDB.
---------------Reserved
7h -
Fh
A2PHEOEOYes
Exclusive Access
Registrants Only
6h
A2PHEOSHYes
Write Exclusive Registrants
Only
5h
------------NoShared Access4h
A1PHEXEXYesExclusive Access3h
------------NoRead Exclusive2h
A1PHEXSHYesWrite Exclusive1h
------------NoRead Shared0h
Add
Rsv
NWRWRRDSupportNameCode
Figure 115. Persistent Reservation Type Code
Ultrastar 146Z10 hard disk drive specifications
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