Maxtor ATLAS 10K III - Manual (Page 167)

SCSI Description
Maxtor Atlas 10K III 5-103
The PERSISTENT RESERVATION OUT command requires a parameter list,
illustrated in Table 5-122 and defined in Table 5-123. Each of the fields of the
parameter list are sent for every PERSISTENT RESERVATION OUT command,
even if the field is not required for the specific Service action and/or Scope values
Table 5-122 .PERSISTENT RESERVATION OUT Parameter List-Data Format
5h
WRITE
Exclusive,
Registrants
Only
READS: Shared; any application client on any initiator may execute com-
mands that perform transfers from the disk to the initiator.
WRITES: Exclusive; any command from an initiator that has not previously
performed a Register service action with the device server that attempts a
transfer to the disk results in a reservation conflict
ADDITIONAL RESERVATIONS: Allowed; any initiator may reserve the logi-
cal unit, extents, or elements as long as the persistent reservations to not
conflict with any reservations already known to the device server.
6h
Exclusive
Registrants
Only
READS: Exclusive; any command from an initiator that has not previously
performed a Register service action with the device server that attempts a
transfer from the disk results in a reservation conflict.
WRITES: Exclusive; any command from an initiator that has not previously
performed a Register service action with the device server that attempts a
transfer to the disk results in a reservation conflict
ADDITIONAL RESERVATIONS: Allowed; any initiator may reserve the
logical unit, extents, or elements as long as the persistent reservations
to not conflict with any reservations already known to the device
server.
7h - Fh Reserved N/A
$KV
$[VG
       
0 – 7
(MSB)
Reservation Key
(LSB)
8 – 15
(MSB)
Service Action Reservation Key
(LSB)
16 – 19
(MSB)
Scope-Specific Address
(LSB)
20 Reserved APTPL
21 Reserved
22 – 23
(MSB)
Extent Length
(LSB)
%QFG 0COG &GUETKRVKQP