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DISK REDUNDANCY FAILED by incorrect cabling

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Applies to

  • ONTAP 9
  • Shelf cabling

Issue

EMS reports HA Group Notification from Storage06-02 (DISK REDUNDANCY FAILED) ERROR.

[?] Sun Nov 20 13:21:07 +0000 [Node01: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED
[?] Sun Nov 20 13:21:07 +0000 [Node01: dsa_disc: ses.inconsistent.config:alert]: Inconsistent configuration detected for shelf connected to adapter 0b.

SAS-EXPANDER-MAP reports incorrect cabling.

  • The expander map does not show all shelves on both paths:

::> system node run -node <node_name> sasadmin expander_map

Expanders on channel 0a:
Level    1: WWN 500a0980085a5039, ID  1, Serial Number ' xxxxx', Product 'DS22412IOM12A   ', Rev '0270', Slot A

Expanders on channel 0b:
Level    1: WWN 500a09800e72633f, ID  0, Serial Number ' xxxxx', Product 'DS21212IOM12E   ', Rev '0230', Slot A
Level    2: WWN 500a0980085a50f5, ID  1, Serial Number ' xxxxx', Product 'DS22412IOM12A   ', Rev '0270', Slot B
Level    3: WWN 500a09800e72233f, ID  0, Serial Number ' xxxxx', Product 'DS21212IOM12E   ', Rev '0230', Slot B

  • Shelf 0 is not properly cabled

 

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