Node status UNKNOWN following Azure maintenance event
Applies to
- Cloud Volumes ONTAP (CVO) HA
- BlueXP
- Microsoft Azure
- Maintenance event
Issue
- Following Azure maintenance event, BlueXP displays the alert:
HA cluster is not highly available - One of the nodes in an HA pair shows status
Unknownand giveback is not possible:
::> storage failover show
Takeover
Node Partner Possible State Description
-------------- -------------- -------- -------------------------------------
Node-01
Node-02 false In takeover, Auto giveback deferred
Node-02
Node-01 - Unknown
2 entries were displayed.::> storage failover show -instance Node: Node-01
Partner Name: Node-02
Node NVRAM ID: 2328352397
Partner NVRAM ID: 2328352403
Takeover Enabled: true
HA Mode: ha
Takeover Possible: false
Reason Takeover not Possible: Local node is already in takeover state.
Interconnect Up: false
Interconnect Links: RDMA Interconnect is down
Interconnect Type: iWARP
State Description: In takeover, Auto giveback deferred
Partner State: Unknown
Time Until Takeover: -
Reason Takeover not Possible by Partner: Local node is already in takeover state.
...
Node: Node-02
Partner Name: Node-01
Node NVRAM ID: 2328352403
Partner NVRAM ID: 2328352397
Takeover Enabled: -
HA Mode: -
Takeover Possible: -
Reason Takeover not Possible: -
Interconnect Up: -
Interconnect Links: -
Interconnect Type: -
State Description: Unknown
...
2 entries were displayed.
::> storage failover show-giveback -instance
Node: Node-01
Aggregate: CFO Aggregates
Aggregates Giveback State: Disk inventory not exchanged, automatic giveback
deferred
Destination for Giveback: Node-02
Node: Node-01
Aggregate: aggr2
Aggregates Giveback State: Not attempted yet
Destination for Giveback: Node-02
Warning: Unable to list entries on node Node-02. RPC: Couldn't make connection [from mgwd on node "Node-01" (VSID: -1) to mgwd at XX.XX.XX.XX]
2 entries were displayed.