Skip to main content
NetApp Knowledge Base

ACP reports hardware failure with IOM12 shelf module

Views:
1,555
Visibility:
Public
Votes:
2
Category:
disk-shelves
Specialty:
hw
Last Updated:

Applies to

  • DS224C (DS224-12)
  • DS212C (DS212-12)
  • DS460C (DS460-12)
  • IOM12, IOM12B
  • ONTAP 9

Issue

  • Missing one of the two IOMs in sysconfig -a output. Example

::> system node run -node <node_name> -command sysconfig -a
...
Shelf 0: DS224-12  Firmware rev. IOM12E A: 0230  IOM12E B: 0230
Shelf 1: DS224-12  Firmware rev. IOM12  A: 0281   B: ----      

  • EMS or event log show output shows ses.status.ACPError and monitor.shelf.fault events:

[CLUSTER-N1: dsa_worker0: ses.status.ACPError:alert]: DS224-12 (S/N SHFNC1234567890) shelf 1 on channel 1a 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.

[CLUSTER-N1: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 1a. Check fans, power supplies, disks, and temperature sensors.
[CLUSTER-N1: statd: callhome.shlf.fault:error]: Call home for SHELF_FAULT
[CLUSTER-N1: start_asup_collector_thread: shelf.config.tomixedha:notice]: System has transitioned to a mixture of single, multi-path or quad-path storage configurations.
[CLUSTER-N1: start_asup_collector_thread: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED

[CLUSTER-N1: dsa_worker1: ses.status.electronicsError:alert]: DS224-12 (S/N SHFNC1234567890) shelf 1 on channel 1a environmental monitoring error for SES electronics 1: not available    ; enclosure services hardware failed This module is on the rear of the shelf at the top left.
[CLUSTER-N1: dsa_worker1: ses.status.ModuleError:alert]: DS224-12 (S/N SHFNC1234567890) shelf 1 on channel 1a SAS expander error for SAS shelf electronics 1: status not available; status not available. This module is on the rear of the shelf at the top left, on shelf module A.
[CLUSTER-N1: dsa_worker1: ses.status.ACPError:alert]: DS224-12 (S/N SHFNC1234567890) shelf 1 on channel 1a ACP Processor error for SAS shelf ACP processor 2: critical status    ; Alternate Control Path hardware failed This module is on the rear of the shelf at the top right, on shelf module B.

  • STORAGE-FAULT Active IQ AutoSupport section or system node run -node <node_name> -command storage show fault -v output:

Enclosure Status: critical
...
Module Type: IOM12
...
Enclosure Electronics:
Element Status                      Status Bytes  Status Descriptions
  1 [IOM12 A]    : OK                01,00,01,00   REPORT
  2 : NOT INSTALLED    05,00,00,00  
...
Enclosure:
Element Status         Status Bytes  Status Descriptions
  1: OK                01,00,02,00   FAIL
...
Vendor Unique Element 83-IOM12: (SAS)
Element Status Status Bytes Status Descriptions
1 [IOM12 A] : OK 01,08,00,A0 MASTER, RESERVED, RESERVED
2: NOT INSTALLED 05,00,00,00
...
Vendor Unique Element 85-IOM12: (ACP)
Element Status                      Status Bytes  Status Descriptions
  1 [IOM12 A]    : CRITICAL          02,18,00,40   NO ACPP, INBACP, FAIL
  2             : NOT INSTALLED     05,18,00,00 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.