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152 Configuration: Premium Feature—Snapshot Virtual Disks
• The next available sequence number is based on the number of existing
snapshots of a source virtual disk. If you delete a snapshot virtual disk, its
sequence number becomes available again.
• You must choose a unique name for the snapshot virtual disk and the
snapshot repository virtual disks, or an error message is displayed.
• Names are limited to 30 characters. After you reach this limit in either the
snapshot virtual disk name or the Snapshot repository virtual disk name
fields, you can no longer type in the field. If the source virtual disk is 30
characters, the default names for the snapshot and its associated snapshot
repository virtual disk use the source virtual disk name truncated enough
to add the sequence string. For example, for Host Software Engineering
Group GR-1, the default snapshot name is Host Software Engineering GR-
1, and the default repository name would be Host Software Engineering
GR-R1.
Snapshot Repository Capacity
If you receive a warning that the capacity for the snapshot repository virtual
disk is approaching its threshold, you can increase the capacity of a snapshot
repository virtual disk by using one of the following methods:
• Use the free capacity available on the disk group of the snapshot repository
virtual disk.
• Add unconfigured capacity to the disk group of the snapshot repository
virtual disk. Use this option when no free capacity exists on the disk group.
You cannot increase the storage capacity of a snapshot repository virtual disk
if the snapshot repository virtual disk has any one of the following conditions:
• The virtual disk has one or more hot spare drives in use.
• The virtual disk has a status other than Optimal.
• Any virtual disk in the disk group is in any state of modification.
• The controller that has ownership of this virtual disk is currently adding
capacity to another virtual disk. Each controller can add capacity to only
one virtual disk at a time.
• No free capacity exists in the disk group.
• No unconfigured capacity is available to add to the disk group.
book.book Page 152 Tuesday, September 27, 2011 3:25 PM