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VMware vSphere 5.5 Cookbook by Abhilash G B

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Mounting VMFS from a snapshot LUN

Some environments maintain copies of the production LUNs as a backup, by replicating them. These replicas are exact copies of the LUNs that were already presented to the ESXi hosts. If for any reason a replicated LUN is presented to an ESXi host, then the host will not mount the VMFS volume on the LUN. This is a precaution to prevent data corruption.

You can, however, force mount such a volume, but you need to make sure that the original LUN is unpresented.

How to do it...

The act of mounting a snapshot volume can be done in two ways:

  • Using the vSphere Web Client's New Datastore wizard
  • Using the ESXi CLI

Using the New Datastore wizard

The following procedure will guide you through the steps required to mount a VMFS volume ...

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