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Recurring cf.ic.xferTimedOut:HA interconnect:MCC_DRSOM transfer timed out Events

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Applies to

  • MetroCluster IP
  • ONTAP 9

Issue

  • Multiple, recurring errors of the following type are reported on all nodes across both sites in a MetroCluster IP configuration:

DR_heartbeat_thread:cf.ic.xferTimedOut:error]: HA interconnect: MCC_DRSOM transfer timed out.

mirror.stream.qp.error:debug]: params: {'mirror': 'DR PARTNER', 'qp_name': 'WAFL', 'error': 'NVMM_ERR_MIRROR_POLL_TIMEOUT'}

  • High receive pause frames on MetroCluster adapters
  • Switches reporting Quality of Service 5 drops on ISL and MetroCluster ports
  • High ISL saturation reported on the switches

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