# Backend Storage Arrays for the Dell EMC VPLEX Array

With the Commvault software, you can use the following storage arrays as the backend storage array for the Dell EMC VPLEX storage array.

Depending on the backend array, you can create snapshots of local virtual volumes, distributed virtual volumes, or both.

- Local mode: You can create snapshots only of local virtual volumes.

- MetroCluster mode: You can create snapshots of local virtual volumes and of distributed virtual volumes.

  Backend Storage Array | Mode | Backend Engine | Frontend Engine
  --- | --- | --- | ---
  Dell PowerStore | Local and MetroCluster | Dell PowerStore Snap | Dell EMC VPLEX Snap
  Dell EMC Unity | Local and MetroCluster | Dell EMC Unity Snap | Dell EMC VPLEX Snap
  Dell EMC PowerMax/VMAX3/VMAX/Symmetrix | Local and MetroCluster | Dell EMC TimeFinder Clone | Dell EMC VPLEX Clone
  |  | Dell EMC TimeFinder Snap | Dell EMC VPLEX Snap
  |  | Dell EMC TimeFinder SnapVX | Dell EMC VPLEX Snap
  |  | Dell EMC TimeFinder VP Snap | Dell EMC VPLEX Snap
  |  | Dell EMC TimeFinder SnapVX(SYMCLI) | Dell EMC VPLEX Snap
  Dell EMC VNX | Local and MetroCluster | Dell EMC VNX / CLARiiON SnapView Clone | Dell EMC VPLEX Clone
  |  | Dell EMC VNX / CLARiiON SnapView / VNX Snap | Dell EMC VPLEX Snap
  Dell EMC XtremIO | Local and MetroCluster | Dell EMC XtremIO Snap | Dell EMC VPLEX Snap
  HPE Alletra Storage MP | Local | HPE Alletra Storage MP Snap | Dell EMC VPLEX Clone
  |  | HPE 3PAR StoreServ Clone | Dell EMC VPLEX Snap

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