3PAR InForm® OS 2.3.1 CLI Reference (320-200166 Rev B, March 2010)

28.16
Command Line Interface Reference InForm OS Version 2.3.1
–dr
Specifies that the command is a dry run and that no logical disks or Virtual Volumes (VVs)
are actually tuned.
–cnt <nb_of_VV>
Specifies the number of identical VVs to tune using an integer from 1 through 999. The
default will tune one VV.
The following option is only used for tuning a legacy single-space TPVV:
–cpg <CPG_name>
Specifies the CPG to which the snapshot data space is moved. This option is not valid with
either subcommands.
This option is deprecated and will be removed in a future release.
SPECIFIERS
<VV_name>
Specifies an existing VV name.
RESTRICTIONS
This command requires a Dynamic Optimization license. Contact your local 3PAR
representative for information.
This command requires sufficient available physical space with the same owner or backup
node as the space it is being copied from.
EXAMPLES
The following example shows how to use the tunetpvv command to change the RAID type of
a TPVV (
testvol) from cpg1, which is originally cpg1, which is of RAID 1.
cli% createcpg –t r5 cpg2
cli% tunetpvv –cpg cpg2 testvol
Are you sure you want to tune VV 'testvol' ?
select y=yes n=no: y
Task 1 started.