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vSphere HA virtual machine failed to failover with Fault Domain Error (FDM) (2034571)

Symptoms

  • In a cluster with Isolation response set to Leave powered on when a host becomes isolated may display this error on a virtual machine.

    vSphere HA virtual machine failed to failover

  • The virtual machine continues to run without a problem.

Cause

This problem can occur whenever a Fault Domain Manager (FDM) master agent declares a host dead. However, the virtual machines continue to run without incident.

This can happen:
  • when a host becomes network isolated or network partitioned from the master, or
  • when severe network congestion/delays on the management networks cause a master to lose touch with another host.

Resolution

This is a known issue in VMware vCenter Server 5.0.x and 5.1.x. Because the virtual machines continue to run without incident, you can safely ignore this issue.
 
For more information on dealing with alerts, see:

To reduce the likelihood of this issue occurring:

  • Use multiple management networks. For more information, see: vSphere High Availability Deployment Best Practices.
  • Ensure the datastore heartbeats within vCenter Server are communicating properly for HA to run efficiently when management network problems occur.

    For example, if using SAN and an IP-based storage, mount a couple of SAN-based datastores to the hosts in the cluster so that HA may use them instead of IP-based storage. Or, if only IP-based storage is used, consider fault isolating one or more of the networks used for storage from those used for the management network.

See Also

Update History

02/08/2013 - Added link to documentation

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