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MAUSO fails after MetroCluster IP site disaster

Last Updated:

Applies to

  • MetroCluster IP
  • ONTAP 9
  • ONTAP Mediator


  • After a disaster at one of the MetroCluster sites, a MAUSO is initiated but fails

Mon Sep 25 11:52:58 +0200 [ClusterA-01: DR_heartbeat_thread: mcc.auso.trigFailed:EMERGENCY]: A trigger for Automatic Unplanned Switchover failed to issue the operation. Reason: Switchover job could not be started.
Mon Sep 25 11:52:58 +0200 [ClusterA-01: DR_heartbeat_thread:]: Call home for METROCLUSTER AUSO TRIGGER FAILED

  • One of the nodes at the surviving site loses it's Mediator iSCSI session

Sep 25 11:52:38 +0200 [ClusterA-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting (destroy sim) for the target<uuid>:1 (type: mailbox, address: <IP>). Reason: session timed out 2 times waiting for iscsid(8).

  • The node then self-halts at the same time

Mon Sep 25 11:52:38 +0200 [ClusterA-02: fmmbx_instanceWorker: kern.shutdown.initiator:debug]: SK reboot was initiated by "maytag.ko::mia_mccip_local_write_partial_fail+568".

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