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Disk missing from one path causing Disk redundancy failed alert

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fas-systems
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hw
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Applies to

  • FAS8300
  • DS460C

Issue

  • All drives from one drawer of the DS460 shelf are missing from one path causing "Disk redundancy failed" alert.
  • All the phys (IOM A and B) of drawer are enabled.
  • Seeing multiple alerts mentioned below:

[?] Sat Jul 13 15:38:13 +0000 [node01: dsa_disc: sfu.firmwareDownrev.shelf:error]: Shelf 0b.shelf10 has downrev firmware.
[?] Sat Jul 13 15:40:59 +0000 [node01: hamsg: sfu.adapterSuspendIO.ndu:info]: Suspending SMP to SAS adapter 0c for 35 seconds while shelf firmware is updated.
[?] Sat Jul 13 15:42:40 +0000 [node01: hamsg: sfu.adapterSuspendIO.ndu:info]: Suspending SMP to SAS adapter 0b for 35 seconds while shelf firmware is updated.
[?] Sat Jul 13 15:44:24 +0000 [node01: asd_io_0: sas.reset.exp.discovery.resp:notice]: SAS adapter [0]: Incorrect status in discovery response, resetting expander: internal expander
[?] Sat Jul 13 16:00:00 +0000 [node01: svc_queue_thread: shelf.config.tomixedha:notice]: System has transitioned to a mixture of single, multi-path or quad-path storage configurations.
[?] Sat Jul 13 16:00:00 +0000 [node01: svc_queue_thread: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED

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