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Snapvault replication jobs for multiple VM datastore are failing on StorageGRID

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Applies to

  • NetApp StorageGRID 11.6.0.10
  • FabricPool

Issue

  • Latency is observed on the SnapMirror Replication when the Volumes Policy has been set to ALL.
  • Restarting of Primary and Secondary Admin Node improves latency temporarily.
  • Check Diagnostics under StorageGRID GUI > Support > Diagnostics and found :
    • TCP Retransmission
    • HTTP 499 Errors ( Typically occurs when the Client terminates the connection before the Server can respond)
    • HTTP 500 Errors ( Resembles the error is on the client side or at Network level)
    • Load balancer Request timeouts
    • Disk Read and Write Latency 
      • On checking Back-End E-Series Disk Drives were reporting IOP_FAST_TIMEOUT_ERROR
    • Cassandra Timeout Requests

 

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