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Azure maintenance causes node takeover and alerts on CVO

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Category:
cloud-manager
Specialty:
ds_cvo
Last Updated:

Applies to

  • BlueXP
  • Cloud Volumes ONTAP (CVO) Azure

Issue

  • Multiple alerts are detected on Node-02 by the specific customer monitoring tool
First Arrival: 2025-05-24 17:07:16 JST
Last Arrival: -
Customer: xxxx
Hostname: Node-02
Message: 
CONFIDENTIALITY=NetApp Confidential
GENERATED_ON=Sat May 24 17:07:04 +0900 2025
VERSION=NetApp Release 9.11.1P12: Fri Sep 22 07:58:50 EDT 2023
SYSTEM_ID=2319499287
SERIAL_NUM=9082014000000000xxx
HOSTNAME=Node-02
SEQUENCE=3756
PARTNER_SYSTEM_ID=xxxxxx
PARTNER_HOSTNAME=Node-01
BOOT_CLUSTERED='true'
  • CVO health check shows the below message on System Manager:
Warning: Node "Node-02" is waiting for a giveback from Node "Node-01".
or
clam.node.ooq: Node (name=Node-01, ID=1000) is out of "CLAM quorum" (reason=seen by HA partner).
or
Failed to initiate giveback. Run the "storage failover show-giveback" command for more
 
  • Node-02 was taken over by Node-01 and subsequently rebooted.

24May2025 17:06:36 sfo_takenOver_relocAllReq partner_name="Node-02" partner_sysid="xxxxx"
24May2025 17:06:36 ha_takenOver_stateChng old_state="NOT_IN_TAKEOVER" new_state="SFO_PHASE_INPROG"
24May2025 17:06:36 clam_peer_halting hostnode="Node-02" nodeid="xxxx"

  • BlueXP shows the below alert:

Degraded - Show Details HA cluster is not highly available.The node giveback was not completed.

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