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The ktls.failed:notice is detected when CVO been takevoer due to Azure maintenance

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

NetApp Cloud Volume ONTAP(CVO)

Issue

  • The below issue happens when the CVO node been takeover due to Azure side maintenance.
    • BlueXP:
      Degraded - Show Details
      HA cluster is not highly available.The node giveback was not completed.
    • EMS Log:
      ktls.failed: "The TLS connections have failed several times with remote host 'xx.xx.xx.xx' in IPspace 'xxxxxx', for which the latest reason given is: OpenSSL: error:0A000086:SSL routines::certificate verify failed."
  • If Azure maintenance window is 2 days, EMS Log also reports error:
object.store.unavailable: Unable to connect to the object store "StorageAccount" from node <NODE-ID>. Reason: Connection unavailable.

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