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MetroCluster IP: HA Partner Missing during Tech refresh

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metrocluster
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Applies to

  • ONTAP 9
  • MetroCluster IP
  • MetroCluster expansion or Tech refresh (4-8-4 , 8-12-8)

Issue

  • When adding new nodes to an existing MetroCluster IP, HA Partner is missing from MetroCluster configuration
  • Unexpected metrocluster configuration-settings connection show and metrocluster configuration-settings interface show output

Example:

> metrocluster configuration-settings connection show

DR                    Source          Destination
Group  Cluster Node    Network Address Network Address Partner Type Config State
----- ------- ------- --------------- --------------- ------------ ------------
2     cluster1   Node-02                (DR group number may vary, but issue is seen on DR group >1)
                Home Port: e5a
                      10.1.1.4        10.1.1.2        DR Partner   completed

Note: No entry for  HA Partner exists here

> system ha interconnect status show

                       Node: cluster2-02
              Link 0 Status: up
              Link 1 Status: up
           Is Link 0 Active: true
           Is Link 1 Active: true
         IC RDMA Connection: down

                       Node: cluster2-03
              Link 0 Status: up
              Link 1 Status: up
           Is Link 0 Active: true
           Is Link 1 Active: true
         IC RDMA Connection: down

  • IC link status looks good.
  • Partner mailbox disks are not detected for the new nodes.
  • Storage failover show indicate that the Takeover is not possible and cluster show indicates that the HA is not configured:

Cluster::> storage failover show

                        Takeover
Node     Partner        Possible   State Description
--------- ------------- -------- -------------------------------------
Node-01    -            false    Waiting for partner, Takeover is not
                                 possible: Storage failover is disabledNode-02    -            false    Waiting for partner, Takeover is not
                                 possible: Storage failover is disabled
2 entries were displayed.

Cluster::> cluster show

Node           Health  Eligibility
-------------- ------- ------------
Node-01         true    true
Node-02         true    true
 
Warning: Cluster HA has not been configured.  Cluster HA must be configured on a two-node cluster to ensure data access availability in the event of storage failover. Use the "cluster ha modify -configured true" command to configure cluster HA.2 entries were displayed.

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