User Manual

SCSI Commands Reference Manual, Rev. J 127
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.14.2 PERSISTENT RESERVE OUT service actions
When processing the PERSISTENT RESERVE OUT service actions, the device server shall increment the PRGENERATION value as
specified in 3.13.2.
The PERSISTENT RESERVE OUT command service actions are defined in table 89.
Table 89 PERSISTENT RESERVE OUT service action codes
Code Name Description
PRGENERATION
field incremented
(see 3.13.2)
Parameter list
format
00h
REGISTER Register a reservation key with the device
server (see SPC-5) or unregister a reservation
key (see SPC-5).
Yes
Basic
(see 3.14.3)
01h
RESERVE Creates a persistent reservation having a speci-
fied SCOPE and TYPE (see SPC-5). The SCOPE
and TYPE of a persistent reservation are defined
in 3.13.3.3 and 3.13.3.4.
No
Basic
(see 3.14.3)
02h
RELEASE Releases the selected persistent reservation
(see SPC-5).
No
Basic
(see 3.14.3)
03h
CLEAR Clears all reservation keys (i.e., registrations)
and all persistent reservations (see SPC-5).
Yes
Basic
(see 3.14.3)
04h
PREEMPT Preempts persistent reservations and/or
removes registrations (see SPC-5).
Yes
Basic
(see 3.14.3)
05h
PREEMPT AND
ABORT
Preempts persistent reservations and/or
removes registrations and aborts all tasks for all
preempted I_T nexuses (see SPC-5)
Yes
Basic
(see 3.14.3)
06h
REGISTER AND
IGNORE EXISTING
KEY
Register a reservation key with the device
server (see SPC-5) or unregister a reservation
key (see SPC-5).
Yes
Basic
(see 3.14.3)
07h
REGISTER AND
MOVE
Register a reservation key for another I_T nexus
with the device server and move a persistent
reservation to that I_T nexus (see SPC-5)
Yes
Register and
move
(see 3.14.4)
08h
REPLACE LOST
RESERVATION
Replace lost persistent reservation information
(see SPC-5)
Yes
Basic
(see 3.14.3)
09h - 1Fh
Reserved