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DISK REDUNDANCY FAILED due to faulty shelf chassis

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Category:
fas-systems
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HW
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Applies to

  • ONTAP 9
  • DS460C shelf

Issue

The system reported a “DISK REDUNDANCY FAILED” event, associated with mixed-path errors on one drawer in an expanded shelf. 

ERROR callhome.dsk.redun.fault: Call home for DISK REDUNDANCY FAILED

  • Disks in a drawer are visible only through one IOM , not both.

   slot 0: SAS Host Adapter 0b (Broadcom SAS3616W rev. 2, SAS, <UP>)

          20.0 : NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.1 : NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.2 : NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.3 : NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.6 : NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.9 : NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.10: NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.12: NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
          20.13: NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
 slot 0: SAS Host Adapter 0c (Broadcom SAS3616W rev. 2, SAS, <UP>)
        
         20.12: NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
         20.13: NETAPP   X377_SCBPE10TA07 NA01 9324.2GB 520B/sect
  • Replacing the IOM module or drawer did not resolve the issue.

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