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Disk redundancy failed in an MCCIP environment

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ontap-9
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hw
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Applies to

  • ONTAP 9
  • AFF/FAS platforms
  • Metrocluster IP configuration
  • DS460C Shelf

Issue

  • System reports multiple “Disk Redundancy Failed” errors
  • Multiple shelves showing a “Critical” enclosure status
  • Specific disks indicated as bypassed. The system was operating in a mixed-path HA configuration.

Node: node_name

Storage show fault:

Enclosure Status: critical
Channel: 0m <- remote shelf for cluster cag1
Shelf: XX
Shelf Type: DS460-12
Product Serial Number: SHJHUYYYYYXXXX
Module Type: IOM12

5 [Bay  5]: CRITICAL          02,05,10,04   ENCLOSURE BYPASSED B, BYPASSED B

  • There are missing disk entries in sysconfig and storage show fault outputs.
  • Disks involved were still active in the aggregate, but flagged as bypassed on one path.

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