Show Volume-Reservations - HP P2000 G3 Cli Reference Manual

show volume-reservations

Description Shows persistent reservations for all or specified volumes. The persistent group reservations (PGR)
mechanism enables application clients on multiple hosts to control access to a storage volume, and
limits access by other hosts.
Each host must be registered with the storage system in order to establish a persistent reservation for
a volume, thereby becoming a reservation holder.
If the system gets into an abnormal state and you need to remove all registrations and reservations
for specified volumes to return them to a "clean" state, you can use the
This command must be used with care, as described in its help.
For more information about persistent reservations, see the SPC-3 specification at
http://www.t10.org.
Syntax
show volume-reservations all|volumes
Parameters all|volumes
Specifies all volumes, or the names or serial numbers of specific volumes. For volume syntax,
Command syntax
Output Name
Name of the volume.
Serial Number
Volume serial number.
Volume Reserved
• Free: The volume is not reserved.
• Reserved: The volume has been reserved by a host.
Host ID
Host WWPN or iSCSI node name.
Port
Controller ID and port number.
Reservation Type
• Write Exclusive: Write commands are only allowed for a single reservation holder.
• Exclusive Access: Certain access (read, write) commands are only allowed for a single
reservation holder.
• Write Exclusive - Registrants Only: Write commands are only allowed for registered
hosts. There is a single reservation holder.
Exclusive Access - Registrants Only: Certain access (read, write) commands are
•
only allowed for registered hosts. There is a single reservation holder.
• Write Exclusive - All Registrants: Write commands are only allowed for registered
hosts. There is a single reservation holder.
• Exclusive Access - All Registrants: Certain access (read, write) commands are only
allowed for registered hosts. There is a single reservation holder.
• Undefined: The volume has no persistent reservations.
320 Alphabetical list of commands
on page 22.
release volume command.