Using Host Servers To Create An Initial Snapshot Virtual Disk - Dell PowerVault MD3620f Command Line Interface Manual

Using Host Servers to Create an Initial Snapshot
Virtual Disk
CAUTION:
Before using the Snapshot Virtual Disks Premium Feature in a
Microsoft Windows clustered configuration, you must first map the snapshot
virtual disk to the cluster node that owns the source virtual disk. This ensures that
the cluster nodes correctly recognize the snapshot virtual disk.
If you map the snapshot virtual disk to the node that does not own the source
virtual disk before the snapshot enabling process is completed, the operating
system may fail to correctly identify the snapshot virtual disk. This can result in
data loss on the source virtual disk or an inaccessible snapshot.
For details on mapping the snapshot virtual disk to the secondary node, see the
PowerVault MD3200 and MD3220 Storage Arrays With Microsoft Windows Server
Failover Clusters or Dell PowerVault MD3200i and MD3220i Storage Arrays With
Microsoft Windows Server Failover Clusters
NOTE:
You can create concurrent snapshots of a source virtual disk on both the
source disk group and on another disk group.
Before creating a Snapshot Virtual Disk, note the following:
• The following types of virtual disks are not valid source virtual disks:
snapshot repository virtual disks, snapshot virtual disks, target virtual disks
that are participating in a virtual disk copy.
• You cannot create a snapshot of a virtual disk that contains unreadable
sectors.
• You must satisfy the requirements of your host operating system for
creating snapshot virtual disks. Failure to meet the requirements of your
host operating system results in an inaccurate point-in-time image of the
source virtual disk or the target virtual disk in a virtual disk copy.
at support.dell.com/manuals.
Using the Snapshot Feature
Dell
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