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Unisphere and Unisphere Central 2020 R1 Administrator's Guide

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Change the Data Reduction Input

Change the type of data that compression and deduplication reduces.

Prerequisites

Data Reduction must be applied to the volume.

Steps

  1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of Unisphere Central.
  2. From the Storage iconSTORAGE menu, click Volumes.
    The Volumes view is displayed.
  3. In the Volumes view, select the volume you want to modify.
  4. Click Edit icon(Edit).
    The Edit Volume dialog box opens.
  5. Expand the Data Reduction menu.
  6. From the Data Reduction Input drop-down menu, select a Data Reduction input.
    • Inaccessible Snapshot Pages – Data frozen by a snapshot that has become inaccessible because other data has been written over it
    • All Snapshot Pages – Data frozen by a snapshot
  7. Click OK to close the Edit Advanced Volume Settings dialog box.
  8. Click OK.

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