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Dell Storage Manager 2020 R1 Administrator's Guide

Virtual Volumes Restrictions

Volume operations on virtual volumes (VVols) are restricted to specific operations.

Storage administrators use Dell Storage Manager to create storage container-backed vSphere datastores, also known as datastores of type VVOL. From within the vSphere web client these VVol datastores look no different from VMFS or NFS datastores. However, virtual machines stored within or on these VVol datastores are stored as virtual volumes on the array, organized within the storage container. Many of the same operations that can be performed again on traditional volumes can be performed against virtual volumes.

These volume operations are supported for VVols:

  • Show
  • Create Snapshot
  • Set Snapshot Profiles
  • Set Threshold Definitions

These volume operations are not supported for VVols:

  • Edit Name
  • Edit Properties
  • Map Volume to Server
  • Expand Volume
  • Convert to Live Volume
  • Delete
  • Migrate
  • Copy
  • Mirror
  • Replicate

Thick provisioning is not supported for operations such as creating or cloning a VVol VM. Only thin provisioning is supported.


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