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Disk Reduancy Failed Alert in MetroCluster IP Due to Missing Paths to Remote Disks

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metrocluster
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Applies to

  • ONTAP 9
  • MetroCluster IP

Issue

  • A DISK REDUNDANCY FAILED alert was reported on MetroCluster IP.
  • Temporary loss of paths to remote disks, resulting in degraded redundancy.

Event Logs:

[Node1-01:fmmbx_instanceWorker:fmmb.redundancy.status:debug]: params: {'redundancyState':'Partial','side':'DRPartner'}
[Node1-01:svc_queue_thread:callhome.dsk.redun.fault:error]: Callhome for DISKREDUNDANCYFAILED
[Node1-01:dsa_disc:shelf.config.tompha:info]: System has transitioned to multi-path HA attached storage
[Node1-01:dsa_disc:shelf.config.toqpha:notice]: System has transitioned to a quad-path storage configuration
[Node1-01:DR_heartbeat_thread:cf.ic.xferTimedOut:error]: HA interconnect: MCC_DRSOM transfer timed out.
[Node1-01:wafl_exempt00:nvmm.mirror.aborting:debug]: mirror of sysid2, partner_type DRPARTNER and mirror state NVMM_MIRROR_ONLINE is aborted because of reason NVMM_ERR_MIRROR_POLL_TIMEOUT.
[Node1-01:kernel:iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting... Reason: no ping reply after 5 seconds.
[Node1-01:doneq0:scsi.mcc.adt.ioTransportError:error]: mcc_adt[1]-Transport error during execution of command: HAstatus0x13:CAMtransportstatus0x1b...
[Node1-01:scsi_cmdblk_strthr_admin:scsi.cmd.abortedByHost:error]: Disk device 0v.i1.1L30: Command aborted by host adapter

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