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Packet loss causing high latencies for LUNs involved in SMBC relationships

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Applies to

  • ONTAP 9.12.1
  • SnapMirror Business Continuity (SMBC)

Issue

  • LUNs in SMBC relationships are experiencing high latencies 
  • Latencies drops to accepted levels removing the volumes from SMBC
  • "SNAPMIRROR SYNCHRONOUS EXCEPTION: Network Latency exceeded threshold limit" seen in EMS logs
  • The network latency is below the SnapMirror Synchronous threshold of 10MS

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