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NetApp Stage KB

Metrocluster switchback operation fails due to disk failure

Last Updated:


Applies to

  • ONTAP 9
  • MetroCluster FC Switchback failing


  • The following event is generated due to switchback failure:

[Node-01: notifyd: callhome.mcc.switchback.failed:EMERGENCY]: Call home for METROCLUSTER SWITCHBACK FAILED

  • MetroCluster switchback fails with the following error:
Cluster-1 (manual recovery required): Some disks were left behind during switchback. They are listed along with a reason for failure: 4.27.1 (not responding)
If any of these disks are failed, replace them. Otherwise use the "metrocluster switchback" command again to return the disks to their original owner. Use the "storage disk show -dr-home-id !- -fields dr-home, container-type, aggregate" command for more details on the status of the left-behind disks.
  • ONTAP reports that the disk is not responding:

[cluster-101: config_thread: raid.config.filesystem.disk.not.responding:notice]: File system Disk /aggr1_data/plex1/rg1/CL008:6.126L501 Shelf 27 Bay 1 [NETAPP   X342_SSKBE1T2A10 NA02] S/N [WFKXXXXX] UID [5000C500:D1E41057:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] is not responding.
[cluster-101: config_thread: callhome.fdsk.noio:error]: Call home for FILESYSTEM DISK NOT RESPONDING

diskown.errorReadingOwnership:notice]: error 46 (disk condition triggered maintenance testing) while reading ownership on
disk FC-UTOR-RZ-02:6.126L507 (S/N PEGD1TGX)

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