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NetApp Stage KB

MetroCluster switchback failed Upgrade task ABORTED

Last Updated:


Applies to

  • 2 node MetroCluster
  • ONTAP 9


  • During an ONTAP upgrade of a 2 node MetroCluster, the switchback fails
    ClusterA::> metrocluster switchback
                Failed to validate the node and cluster components before the switchback operation.
                ClusterA::ClusterA-01 (non-overridable veto): Unable to communicate with the remote cluster in order to transmit mirror information. Wait a few minutes, and try the command again. For further assistance, contact technical support.
                ClusterA::ClusterA-01 (non-overridable veto): Communication error occurred. Verify that cluster peer connectivity is healthy by running "cluster peer show" and retry the operation.
  • Post-apps upgrade fails to complete
    ClusterB::> upgrade-revert show
    Vers Phase      Status   Upgrade Phase Status Message
    ---- ---------- -------- ------------------------------------------------------
    1100 pre-root   applied  No upgrade is required for this phase.
    1100 pre-apps   applied  Upgrade successful.
    1100 post-apps  applied  Upgrade successful.
    1200 pre-root   applied  No upgrade is required for this phase.
    1200 pre-apps   applied  Upgrade successful.
    1200 post-apps  applied  Upgrade successful.
    1800 pre-root   applied  No upgrade is required for this phase.
    1800 pre-apps   applied  Upgrade successful.
    1800 post-apps  aborted  Upgrade task ABORTED. Reason: Failed to create Vserver web access entry for Vserver "ClusterB", service "rest" and role "ocum_ro". Reason: This Vserver is temporarily locked from changes while recording the configuration baseline. Try again in a few minutes.


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