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InBand ACP critical failure in one IOM12 module of external shelf

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ontap-9
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hw
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Applies to

  • ONTAP 9
  • DS224C

Issue

  • ONTAP reports ses.status.ACPError:

[ses.status.ACPError:alert]: DS212-12 (S/N xxxxxxx) shelf 1 on channel 0a ACP Processor error for SAS shelf ACP processor 1: critical status ; Alternate Control Path hardware failed This module is on the rear of the shelf at the top left, on shelf module A.

  • STORAGE-FAULT report ACP error for one of the IOM module for external shelf:

Enclosure:
Element Status         Status Bytes  Status Descriptions
  1: OK                01,00,02,00   FAIL

Vendor Unique Element 85-IOM12: (ACP)
Element Status                      Status Bytes  Status Descriptions
  1 [IOM12 A]    : CRITICAL          02,18,00,40   NO ACPP, INBACP, FAIL

  • The issue remains after disabling/enabling the ACP subsystem

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