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Modifying volumes to set NVFAIL in case of switchover

You can modify a volume so that, in event of a MetroCluster switchover, the NVFAIL flag is set on the volume. The NVFAIL flag causes the volume to be fenced off from any modification. This is required for volumes that need to be handled as if committed writes to the volume were lost after the switchover.

Step

  1. Enable MetroCluster to trigger NVFAIL on switchover by setting the vol -dr-force-nvfail parameter to on: vol modify -vserver vserver-name -volume volume-name -dr-force-nvfail on.