Tag Archives: Free Issues

TOO MANY KNOWN ISSUES WITH SRM 5.1!

Okay have you noticed or is it just me who finds too many known and unresolved issues with SRM 5.1? Now granted that SRM 5.1.0.1 is out that solves a few of them – these still remain.

Hopefully VMware is taking note and getting these taken care of!

The following known issues have been discovered through rigorous testing and will help you understand some behavior you might encounter in this release.

  • SRM Might Encounter Errors Mounting Datastores During Recoveries¬†

During a test recovery or actual failover, SRM waits for recovered datastores to become available. After datastores become available, SRM attempts to mount any datastores that are not mounted. In rare instances, these datastores are automatically mounted before SRM can mount them. If this occurs during a test failover, the failover does not complete. If this occurs during an actual recovery, the recovery completes with an error. To resolve this issue, retry the recovery.

  • Temporary Loss of vCenter Server Connections Might Create Recovery Problems for Virtual Machines with Raw Disk Mappings

If the connection to the vCenter Server is lost during a recovery, one of the following might occur:

    • The vCenter Server remains unavailable, the recovery fails. To resolve this issue re-establish the connection with the vCenter Server and re-run the recovery.
    • In rare cases, the vCenter Server becomes available again and the virtual machine is recovered. In such a case, if the virtual machine has raw disk mappings (RDMs), the RDMs might not be mapped properly. As a result of the failure to properly map RDMs, it might not be possible to power on the virtual machine or errors related to the guest operating system or applications running on the guest operating system might occur.
      • If this is a test recovery, complete a cleanup operation and run the test again.
      • If this is an actual recovery, you must manually attach the correct RDM to the recovered virtual machine.

    Refer to the vSphere documentation about editing virtual machine settings for more information on adding raw disk mappings.

  • Cancellation of Recovery Plan Not Completed

When a recovery plan is run, an attempt is made to synchronize virtual machines. It is possible to cancel the recovery plan, but attempts to cancel the recovery plan run do not complete until the synchronization either completes or expires. The default expiration is 60 minutes. The following options can be used to complete cancellation of the recovery plan:

  • Pause vSphere Replication, causing synchronization to fail. After recovery enters an error state, use the vSphere Client to restart vSphere Replication in the vSphere Replication tab. After replication is restarted, the recovery plan can be run again, if desired.
  • Wait for synchronization to complete or time out. This might take considerable time, but does eventually finish. After synchronization finishes or expires, cancellation of the recovery plan continues.

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