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HA CVO encountered "CONTROLLER TAKEOVER COMPLETE COMMUNICATION LOSS"

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Category:
cloud-volumes-ontap-cvo
Specialty:
ds_cvo
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Applies to

  • ONTAP 9
  • Cloud Volumes ONTAP (CVO)
  • Microsoft Azure
  • AWS

Issue

  • Node reboot and takeover occur unexpectedly, without any maintenance
  • EMS reports emergency event:

Thu Mar 17 02:21:19 +0000 [Cluster-01: cf_takeover: callhome.sfo.to.comm.loss:EMERGENCY]: Call home for CONTROLLER TAKEOVER COMPLETE COMMUNICATION LOSS
Thu Mar 17 02:21:19 +0000 [Cluster-01: cf_takeover: callhome.reboot.takeover:notice]: Call home for PARTNER REBOOT (CONTROLLER TAKEOVER)
Thu Mar 17 02:21:19 +0000 [Cluster-01: cf_takeover: cf.fm.takeoverComplete:notice]: Failover monitor: takeover completed

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