# Creating Destination Volumes for Clone Snapshots

If the array property Volume Label Prefix is not specified, then destination volumes are automatically created for clone snapshots. If a nonexistent device group is specified during the array configuration in Commvault, then a destination volume is created based on the source volume type. However, if a valid device group is specified, then the following destination volumes are created depending on the device group type:

- If the device group is a thin provisioning pool, then a thin provisioning volume is created.

- If the device group is a redundant array of independent disks (RAID) group, then a standalone volume is created.

## Selection of Destination Volumes

Preference is given to target volumes that have names that match the prefix that is specified in Volume Label Prefix.

If no suitable volumes have a name that has a volume label prefix, then the backup job fails.

If there is more than one volume name has a volume label prefix, then preference is given to the volume that has the same source volume type.

If the source volume is a standard volume, then preference is given to standard volumes. Otherwise, preference is given to thin provisioning volumes.

Forbid Advanced Copy and Encrypted volumes are not supported.

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