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NetApp Stage KB

Switchback not possible after a mroot migration

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Category:
metrocluster
Specialty:
MetroCluster
Last Updated:

Applies to

  • MetroCluster
  • mroot migration

Issue

  • Switchback operation performed after mroot migration might fail due to vserver configuration resynchronization taking a long time to complete.

ClusterA::*> metrocluster vserver show -vserver svm1 -instance
               Cluster Name: ClusterA
                    Vserver: svm1
            Partner Vserver: svm1-mc
                     Stream: 11aa22-1234-4567-aaaa-11aa22bb33cc
        Configuration State: syncing
          Corrective Action: -
Creation Time on the source: 12/11/2020 12:22:55
                 Failed Row: -
         Reason for Failure: -
             Last Fail Time: -
              Stream Status: processing-task
             Is out of sync: -
              Failed object: -
  configuration Resume Time: -
         Reason for Failure: -

  • The following error is reported in the mgwd logs: 

Fri Dec 11 2020 13:04:45 +01:00 [kern_mgwd:info:16937: MGWD::NSS: src/tables/name_services/nss.cc:2980:mkdirp mkdir failed  for path /mroot/etc/cluster_config/vserver/.vserver_3/config/name_services. Errno is 2

 

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