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164 Configuration: Premium Feature—Snapshot Virtual Disks
Re-creating Snapshot Virtual Disks
You can re-create a snapshot virtual disk that you have previously disabled.
CAUTION: Possible loss of data redundancy – If the snapshot virtual disk is in
Optimal status, it is first disabled prior to being re-created. This action invalidates
the current snapshot.
Keep these important guidelines in mind when you re-create a snapshot
virtual disk:
• To re-create the snapshot virtual disks correctly, follow the instructions for
your operating system.
NOTE: Failing to follow these additional instructions could create unusable
snapshot virtual disks. For more information, see the
PowerVault Modular Disk
Storage Manager online help
topics.
• To use this option, the snapshot virtual disk must be either in an
Optimal
status or
Disabled
status.
• When using this option, the previously configured snapshot name
parameters and snapshot repository virtual disk are used.
To recreate the snapshot virtual disk:
1
In the AMW, select the
Logical
tab, select a snapshot virtual disk.
2
Select
Virtual Disk
Snapshot
Re-create
.
3
Ty p e
yes
, and click
OK
.
Snapshot Rollback
The snapshot rollback feature allows you to revert the contents of a virtual
disk to match a point-in-time image existing on a snapshot virtual disk.
During a rollback, the host server can still write data to the base virtual disk.
However, the snapshot virtual disk is set as read-only during the rollback
operation and becomes available for write operations immediately after the
rollback is complete. The snapshot virtual disk cannot be restarted, deleted,
or disabled during the rollback operation.
book.book Page 164 Tuesday, June 18, 2013 3:03 PM