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Dell Storage Manager 2020 R1 Administrator's Guide

Automatic Restore of a Live Volume

Enabling Automatic Restore repairs the Live Volume relationship between the primary and secondary Live Volumes after recovering from a failure. After an automatic restore, the original secondary Live Volume remains as the primary Live Volume. The following steps occur during an automatic repair of a Live Volume.

NOTE:The Live Volume will automatically restore only if the failover was automatically activated.
  1. The primary Storage Center recovers from the failure.
    Figure 1. Step One
    Automatic Restore step 1: Storage Center recovers
  2. The primary Storage Center recognizes that the secondary Live Volume is active as the primary Live Volume.
  3. The Live Volume on the secondary Storage Center becomes the primary Live Volume.
  4. The Live Volume on the primary Storage Center becomes the secondary Live Volume.
    Figure 2. Step Four
    Automatic Restore step 4: Live Volume restored, secondary Live Volume activated

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