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"DISK REDUNDANCY FAILED" alerts reporting due to remote drives missing in Fabric Metrocluster

Last Updated:

Applies to

  • ONTAP 9
  • FABOS greater than 8.2.1b
  • nscamshow displays :No entry is found!
  • All ISL are up


  • Nodes are missing remote disks due to loss of one or more paths and reports the below EMS events,

[?] Thu Jan 14 13:46:08 CET [Node-A: svc_queue_thread: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED

  • Brocade switches shows no remote devices from nscamshow -t command output and also sometimes the zone reports fabric is busy,

nscamshow -t :
nscam show for remote switches:
No entry is found!

zoneshow --peerzone all :
The Fabric is busy, try again later.
cfgshow --verbose :
The Fabric is busy, try again later.
zoneshow --validate ,2 :
The Fabric is busy, try again later.


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