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MetroCluster IP high cluster and remote write latency reported

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metrocluster
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Applies to

  • AFF-A250, AFF-A220, FAS2750, AFF-C250
  • MetroCluster IP
  • BES-53248

Issue

  • showing high cluster latency in qos statistics latency
  • Event log reporting multiple scsi.cmd errors
    scsi_cmdblk_strthr_admin: scsi.cmd.abortedByHost:error]: Disk device 0v.i1.2L5: Command aborted by host adapter: HA status 0x13: cdb 0x28:1b0153c0:001a
  • Increasing error counters shown in "show interface ethernet "interface_name"" on one Switch port
    Total Packets Received with MAC Errors......... 15427
    Jabbers Received............................... 14430
  • Shutting down the suspicious ports, brings latency back to normal
  • Replacing SFPs and cable doesn't fix the issue
  • wafl.cp.toolong might be reported in event log

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