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"SHELF_FAULT" due to SP loss of ACP communication

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Category:
ontap-9
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hw
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Applies to

  • ONTAP 9
  • Service Processor (SP)
  • Baseboard Management Controller (BMC)

Issue

  • System reports the following errors and recovers automatically.

Fri Apr 24 13:40:15 JST [node: dsa_worker1: ses.status.ACPError:alert]: DS4246 (S/N xxxxxxxxxx) shelf 0 on channel 0a 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 bottom center, on shelf module B.
Fri Apr 24 13:40:24 JST [node: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
Fri Apr 24 13:40:24 JST [node: statd: callhome.shlf.fault:error]: Call home for SHELF_FAULT

Fri Apr 24 14:35:24 JST [node: dsa_worker5: ses.status.ACPInfo:info]: DS4246 (S/N xxxxxxxxxx) shelf 0 on channel 0b ACP Processor information for SAS shelf ACP processor 2: normal status.
Fri Apr 24 14:35:33 JST [node: statd: monitor.shelf.fault.ok:notice]: Fault previously reported on disk storage shelf attached to channel 0a has been corrected.
Fri Apr 24 14:36:00 JST [node: monitor: monitor.globalStatus.ok:notice]: The system's global status is normal.

  • The following records can be found from SP-LATEST-SYSTEM-EVENT-LOG.

Record 1771: Fri Apr 24 05:33:18 2020 [SP.critical]: Rebooting SP due to loss of ACP comms

  • There may be debug information on IOM.

Mon May 16 13:09:13 CST [node: acp_worker_thread_0: acp.common.message:debug]: params: {'debug_string': 'IOM 00:A0:98:C6:73:A6 returned an error to SCSI write with opcode 12.Write Error:2, Sense Values: (0 0 0 0).

 

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