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MetroCluster resync is slow after maintenance activity

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Applies to

  • ONTAP 9
  • MetroCluster

Issue

  • A MetroCluster switchover is performed and the partner MetroCluster site has maintenance activity
  • The other site is brought online and is healthy, but it is noted MetroCluster plex aggregate resync is running for many hours instead of a few minutes 
  • Switchback is not allowed due to the pending resync
  • The MetroCluster backend Fabric is checked and found to be healthy

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