3PAR InForm® OS 2.3.1 CLI Administrator's Manual (320-200180 Rev B, February 2010)

16.6
Changing Virtual Volume Availability Levels
3PAR InForm CLI Administrator’s Manual InForm OS Version 2.3.1
16.4.2 Fully-Provisioned Virtual Volumes
To change the RAID type of a fully-provisioned virtual volume, perform the following:
1 Create a new CPG with the RAID type to which you wish to change the volume. See 7.4
Creating a Common Provisioning Group on page 7.6 for instructions.
2 Tune the user space of the volume by issuing the
tunevv usr_cpg <CPG_name>
<volume_name>
command, where:
◆ usr_cpg <CPG_name> is the name of the CPG created previously in step 1, indicating
the user space of the new CPG will be used.
◆ <volume_name> is the fully-provisioned virtual volume you are modifying.
3 Tune the snapshot space of the volume by issuing the
tunevv snp_cpg <CPG_name>
<volume_name>
command.
◆ snp_cpg <CPG_name> indicates the CPG to where the snapshot space is moved.
◆ <volume_name> is the fully-provisioned virtual volume you are modifying.
16.5 Changing Virtual Volume Availability Levels
16.5.1 Thinly-Provisioned Virtual Volumes
To change the volume availability level of a TPVV, perform the following:
1 Create a new CPG with the device availability and RAID type to which you wish to change
the volume. See 7.4 Creating a Common Provisioning Group on page 7.6 for instructions.
2 Change the TPVV’s availability level by issuing the
tunevv usr_cpg <CPG_name>
<TPVV_name>
command, where:
◆ usr_cpg <CPG_name> is the name of the CPG created previously in step 1.
◆ <TPVV_name> is the TPVV you are modifying.