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Dell Storage Manager 2020 R1 Administrator's Guide

Step 4: Connectivity is Restored to the Source Site

When the outage at the source site is corrected, Storage Manager Data Collector regains connectivity to the source Storage Center. The replication cannot be restarted at this time because the destination volume contains newer data than the original source volume.

Figure 1. Replication After the Source Site Comes Back Online
Diagram of a DR-activated replication after connectivity is restored to the source site
  1. Source volume

  2. Replication over Fibre Channel or iSCSI (down)

  3. Destination volume (activated)

  4. Server mapping to source volume (may be up or down)

  5. Server mapping to activated DR volume

  6. Server at source site (may be up or down)

  7. Server at DR site


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