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Panic Permanent errors on all HA mailbox disks due to re-cabling

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fas-systems
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HW
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Applies to

FAS2720

Issue

  • Node panics and partner performs takeover
  • Panic message observed is as follows
Permanent errors on all HA mailbox disks (while marshalling header) in SK process fmmbx_instanceWorker on release 9.11.1P5 (C)
  • Disks are seen to not be accessible due to no valid path in EMS log
[Node-02: sanown_io: diskown.errorDuringIO:error]: error 25 (no valid path to disk) on disk 0a.01.2 (S/N XXXXXXXX) while setting disk reservation

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