HP 3PAR OS 3.1.3 Command Line Interface Reference

showrsv
DESCRIPTION
The showrsv command displays SCSI reservation and registration information for Virtual Volume
Logical Unit Numbers (VLUNs) bound for a specified port.
SYNTAX
showrsv [options <arg>] [<VV_name>]
AUTHORITY
Any role in the system.
OPTIONS
–l <scsi3|scsi2>
Specifies that either SCSI–3 persistent reservation or SCSI–2 reservation information is displayed.
If this option is not specified, information about both SCSI–2 and SCSI–3 reservation will be shown.
–host <hostname>
Displays reservation and registration information only for Virtual Volumes (VVs) that are visible to
a particular host.
SPECIFIERS
[<VV_name>]
Specifies the VV name, using up to 31 characters.
RESTRICTIONS
None
EXAMPLES
The following example displays information about reservation and registration information for
VLUNs bound with host name w2k_emx1_cisco.
cli% showrsv –host w2k_emx1_cisco
VVname Host Owner Port ReservationType
w2k_clusterd.10 w2k_emx1_cisco 10000000C92B9909 1:3:1 SCSI–3(6)
w2k_clusterd.11 w2k_emx1_cisco 10000000C92B9909 1:3:1 SCSI–3(6)
w2k_clusterd.12 w2k_emx1_cisco 10000000C92B9909 1:3:1 SCSI–3(6)
w2k_clusterd.13 w2k_emx1_cisco 10000000C92B9909 1:3:1 SCSI–3(6)
The columns in the previous example are identified as follows:
• VVname. Name of volume exported on this port to the host in Host column.
• Host. Host name of the host connected to this port.
• Owner/Registrant. WWN of the host that has the reservation or registration.
• Port. Port name in N:S:P format.
• ReservationType. The type of reservation being established either SCSI-2 or SCSI-3.
SCSI-3 reservations can be as follows:
• 1. (Write exclusive). All read requests allowed. Write requests allowed for the reservation
holder only.
• 3. (Exclusive access). Read and write requests allowed for the reservation holder only.
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