IBM IC35L036UWDY10 Hard Drive Specifications - Page 139

PERSISTENT RESERVATION with Write Exclusive type and Exclusive Access type

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RD WR NWR SH EX PH EO A1 A2 READ (6) command and READ (10) command WRITE (6) command and WRITE (10) command Commands except the following: ! READ (6) command and READ (10) command ! WRITE (6) command and WRITE (10) command ! RESERVE and RELEASE command If any key is registered, the drive returns a RESERVATION CONFLICT status. ! PERSISTENT RESERVE IN command and PERSISTENT RESERVE OUT command SHared: The drive executes the command from all initiators. EXclusive: The drive executes the command from initiator which holds the persistent reservation and rejects the command from the other initiators with RESERVATION CONFLICT status. ProHibited: The drive rejects the command from all initiators. Exclusive registrant Only: The drive executes the command from initiator which has registered a key and rejects the command from the other initiators with RESERVATION CONFLICT status. The drive rejects new PERSISTENT RESERVATION on any types and returns RESERVATION CONFLICT status. The drive accepts new PERSISTENT RESERVATION with Write Exclusive Registrants Only type and Exclusive Access Registrants Only type. The drive rejects new PERSISTENT RESERVATION with Write Exclusive type and Exclusive Access type and returns RESERVATION CONFLICT status. New Type 1 3 5 6 Write Exclusive (1) Yes Yes Yes Yes Exclusive Access (3) Yes Yes Yes Yes Write Exclusive Registrants Only (5) Yes Yes No No Exclusive Access Registrants Only (6) Yes Yes No No Figure 116. Conflict between new and existing PERSISTENT RESERVATION Ultrastar 146Z10 hard disk drive specifications 123

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RD
READ (6) command and READ (10) command
WR
WRITE (6) command and WRITE (10) command
NWR
Commands except the following:
!
READ (6) command and READ (10) command
!
WRITE (6) command and WRITE (10) command
!
RESERVE and RELEASE command
If any key is registered, the drive returns a RESERVATION CONFLICT status.
!
PERSISTENT RESERVE IN command and PERSISTENT RESERVE OUT command
SH
SHared: The
drive executes the command from all initiators.
EX
EXclusive: The
drive executes the command from initiator which holds the persistent
reservation and rejects the command from the other initiators with RESERVATION
CONFLICT status.
PH
ProHibited: The
drive rejects the command from all initiators.
EO
Exclusive registrant Only: The
drive executes the command from initiator which has
registered a key and rejects the command from the other initiators with RESERVATION
CONFLICT status.
A1
The
drive rejects new PERSISTENT RESERVATION on any types and returns
RESERVATION CONFLICT status
.
A2
The
drive accepts new PERSISTENT RESERVATION with Write Exclusive Registrants
Only type and Exclusive Access Registrants Only type.
The drive rejects new
PERSISTENT RESERVATION with Write Exclusive type and Exclusive Access type and
returns RESERVATION CONFLICT status
.
No
No
Yes
Yes
Exclusive Access Registrants
Only (6)
No
No
Yes
Yes
Write Exclusive Registrants
Only (5)
Yes
Yes
Yes
Yes
Exclusive Access (3)
Yes
Yes
Yes
Yes
Write Exclusive (1)
6
5
3
1
New Type
Figure 116. Conflict between new and existing PERSISTENT RESERVATION
Ultrastar 146Z10 hard disk drive specifications
123