User's Guide

Chapter 2 Media Changer Commands
Persistent Reserve Out Command (5Fh)
Quantum SuperLoader 3 Software Interface Guide 88
The PERSISTENT RESERVE OUT command requires a parameter list,
illustrated in the following figure and defined in the following table. Each
of the fields of the parameter list are sent for every
PERSISTENT RESERVE
OUT
command, even if the field is not required for the specific Service
action and/or
Scope values.
Figure 51 Persistent Reserve
Out Parameter List
5h WRITE
Exclusive,
Registrants
Only
READS: Shared; any application client on any initiator may execute
commands that perform transfers from the storage medium 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 storage medium results in a reservation
conflict.
6h Exclusive
Access,
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 storage medium 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 storage medium results in a reservation
conflict
7h - Fh Reserved N/A
Bit
Byte76543210
0-7
(MSB)
Reservation Key
(LSB)
Code Name Description