Quantum SuperLoader DLT User Manual page 118

Chapter 3 Media Changer Commands
Persistent Reserve In Command (5Eh)
Code Name
5h WRITE
Exclusive,
Registrants
Only
6h Exclusive
Access,
Registrants
Only
7h-Fh Reserved
100
Description
READS: Shared; any application client on any initiator may execute
commands that perform transfers from the target 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 target 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.
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 target 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 target 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.
Not applicable
Quantum ATL SuperLoader Software Interface Guide