DISK REDUNDANCY FAILED for one shelf due to faulty IOM

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Category:: ontap-9

Specialty:: HW

Last Updated:

Applies to

FAS8300
DS212C
IOM12B

Issue

AutoSupport trigger subject HA Group Notification (DISK REDUNDANCY FAILED) ERROR.
SYSCONFIG-A shows only one shelf missing disk:

Path using IOM A:

->missing shelf 1 all disk 02.0 : netapp x336_ttcre04ta07 na04 3807.8gb 520b/sect .... shelf 1: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 2: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 3: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 4: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 5: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 6: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130

Path using IOM B:

01.0 : netapp x336_ttcre04ta07 na04 3807.8gb 520b/sect .... 01.11: netapp x336_ttcre04ta07 na04 3807.8gb 520b/sect 02.0 : netapp x336_ttcre04ta07 na04 3807.8gb 520b/sect shelf 1: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 2: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 3: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 4: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 5: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130 shelf 6: ds212-12 firmware rev. iom12b a: 0130 iom12b b: 0130

SAS-EXPANDER-MAP doesn't show IOM version.

Level 1: WWN 500a09800869dbf1, ID 1, Serial Number ' XXXXXXXXXXX', Product 'DS21212IOM12 ', Rev'0?1', Slot A