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Cluster communication down after power outage

Last Updated:

Applies to

  • ONTAP 9
  • Switched cluster configurations
  • Cluster network switches


  • After a power outage, the nodes in the cluster are not communicating with each other once back online.
  • The cluster ports of all the nodes in the cluster are down.
  • The cluster applications are not coming online on any of the nodes:

Cluster::> storage failover show
Node           Partner        Possible State Description
-------------- -------------- -------- -------------------------------------
node-01        node-02           true     Connected to sanmiguel-02. Waiting
                                          for cluster applications to come
                                          online on the local node. Offline
                                          applications: mgmt, vldb, vifmgr,
                                          bcomd, crs, scsi blade, clam.
node-02        node-01           -        Waiting for cluster applications to
                                          come online on the local node
                                          Offline applications: mgmt, vldb,
                                          vifmgr, bcomd, crs, scsi blade, clam.
node-03   -                      -        Node unreachable
node-04   -                      -        Node unreachable

Cluster::> storage failover show-giveback
Node           Aggregate         Giveback Status
-------------- ----------------- ---------------------------------------------
                                 No aggregates to give back

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]
         Unable to list entries on node node-03. RPC: Couldn't make
         connection [from mgwd on node "node-01" (VSID: -1) to mgwd at]
         Unable to list entries on node node-04. RPC: Couldn't make
         connection [from mgwd on node "node-01" (VSID: -1) to mgwd at]


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