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NetApp Stage KB

RDMA connections down after FC to IP transition

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Category:
metrocluster
Specialty:
MetroCluster
Last Updated:

Applies to

  • Metrocluster IP
  • ONTAP 9
  • AFF-A800

Issue

After migrating from a Fabric MetroCluster to an AFF-A800 MetroCluster IP, there is no HA or DR mirroring
 
Example:
  • Metrocluster interconnect:
 ClusterA::*> metrocluster interconnect mirror show -partner type HA,DR
                           Mirror   Mirror
                   Partner Admin    Oper
 Node Partner Name Type    Status   Status  Adapter Type   Status
 ---- ------------ ------- -------- ------- ------- ------ ------
 ClusterA-01
   ClusterA-02     HA      enabled  offline
                                            e0b     iWARP  Up
                                            e1b     iWARP  Up
   ClusterB-01     DR      enabled  offline
                                            e0b     iWARP  Up
                                            e1b     iWARP  Up
 ClusterA-02
   ClusterA-01     HA      enabled  offline
                                            e0b     iWARP  Up
                                            e1b     iWARP  Up
   ClusterB-02     DR      enabled  offline
                                            e0b     iWARP  Up
                                            e1b     iWARP  Up

 
  • Storage failover:
ClusterA::*> storage failover show
                              Takeover          
Node           Partner        Possible State Description  
-------------- -------------- -------- -------------------------------------
ClusterA-01      NACL01-04      false    Waiting for ClusterA-02, Takeover is
                                       not possible: Storage failover
                                       interconnect error, NVRAM log not
                                       synchronized, Disk inventory not
                                       exchanged
ClusterA-02      NACL01-03      false    Waiting for ClusterA-01, Takeover is
                                       not possible: Storage failover
                                       interconnect error, NVRAM log not
                                       synchronized

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