Configuring A Failover Cluster - Dell PowerVault MD3200i Hardware Installation And Troubleshooting Manual

Storage arrays with microsoft windows server failover clusters

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Table Of Contents

Table of Contents

NOTE:

For a cluster configuration with multiple Snapshot Virtual Disks, each virtual

disk must be mapped to the node owning the associated source disk first. The

primary node for a Snapshot Virtual Disk may not be the primary node for another

Snapshot Virtual Disk.

Virtual Disk Copy

Virtual Disk Copy generates a full copy of data from the source virtual disk to

the target virtual disk in a storage array. You can use Virtual Disk Copy to back

up data, copy data from disk groups that use smaller-capacity physical disks to

disk groups using greater-capacity physical disks, or restore Snapshot Virtual

Disk data to the source virtual disk.

To create a Virtual Disk Copy of a Microsoft Cluster shared disk:

1 Create a Snapshot Virtual Disk using the cluster shared disk as a source

disk.

2 Do not map that Snapshot Virtual Disk to any cluster node. Then, use

the newly created Snapshot Virtual Disk as the source disk for the

Virtual Disk Copy.

NOTE:

shared disk directly, the operation fails and displays the following error:

The operation cannot complete because the selected

virtual disk is not a source virtual disk candidate.

If the cluster shared disk fails and you need to restore it from the target virtual

disk, use Failover Cluster Manager to change the status of the cluster group

containing the failed disk to offline, and then use one of the following

methods:

1 Use Virtual Disk Copy to transfer the data from the target virtual disk to

the cluster shared disk.

2 Unassign the cluster shared disk from the host group and then map the

target virtual disk to the host group.