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This article applies to all JSDR software versions.

Problem

A failback operation will not complete if a host in the cluster is offline or faulty.

Example of a problem completing failback.

Issue

Failure Scenarios

The following scenarios illustrate cases that result in the failure of the failback operation.

Scenario 1: Faulty Node

  • In a multi-node cluster, if one node is faulty then failback will not start.

Scenario 2: IO Filter Unavailable

  • In a multi-node cluster, all hosts are healthy but one node's IO filter is unavailable. Failback will not start.

Success Scenarios

Scenario 3: Maintenance Mode

  • In a multi-node cluster, all hosts are healthy but one host is in maintenance mode. Failback will be able to continue.

Scenario 4: Faulty Host Corrected

In a multi-node cluster, one host is faulty and that faulty host is replaced with a healthy host. Failback will be able to continue.

Scenario 5: Faulty Host Removed

  • In a multi-node cluster, one host is faulty and that faulty host is removed from the cluster (removed from inventory). Failback will be able to continue.

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