Transforming the Capabilities of a Volume Online
To change the capabilities of an existing volume online, use the vxvoladm transform command as shown here:
# vxvoladm [-g diskgroup] [-b] transform volume [attributes...]
If specified, the -b option performs the transformation in the background.
For example, the following command changes the capability of the volume, vol02, to DataMirroring with 4 mirrors:
# vxvoladm -g mydg -b transform vol02 \
capability='DataMirroring (nmirs=4)'
The next example adds the InstantSnapShottable and DCOLogMirroring capabilities to enable the use of instant snapshots with a mirrored volume:
# vxvoladm -g mydg -b transform mir3vol \
capability='DataMirroring(nmirs=3),InstantSnapShottable,\
DCOLogMirroring(nlogs=3)'
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