Figure 116. Conflict Between New And Existing Persistent Reservation - IBM IC35L036UWDY10 - Ultrastar 36.7 GB Hard Drive Specifications

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.
New Type
Write Exclusive (1)
Exclusive Access (3)
Write Exclusive Registrants
Only (5)
Exclusive Access Registrants
Only (6)

Figure 116. Conflict between new and existing PERSISTENT RESERVATION

1
Yes
Yes
Yes
Yes
Ultrastar 146Z10 hard disk drive specifications
123
3 5
Yes Yes
Yes Yes
Yes No
Yes No
6
Yes
Yes
No
No