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Disk shelf ACP module in rebooting state

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Applies to

  • I/O module (IOM)
  • Alternate control path (ACP)
  • Reboot the node no effect
  • Reseat the IOM module no effect

Issue

The ONTAP prompts alert as below:
 
EMS log:
[?] Mon Nov 28 16:39:59 +0800 [Node1: dsa_worker0: ses.status.ACPError:alert]: DS4486 (S/N xxxxx) shelf 10 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 center, on shelf module A.
 
 
ACP output:
 
Cluster::> storage shelf acp module show -node node1
Node               Module Name        State
-----------------  -----------------  ----------------------
node1              x.x.B              active
x.x.A              rebooting
 
Cluster::> node run -node node1 acpadmin ibacp_list_all
Number of ACP modules 2
MAC                SES    Last Contact  Protocol   Assigner    Shelf             Current Inband   IOM     shelf
Address            bit    (seconds ago) Version    ACPA ID     S/N               State   ID       Type    flag
---------------------------------------------------------------------------------------------------------------
00:a0:98:d5:29:c3  01      599374      1.2.02.12   0           xxxxx1809000006   0xd    0a.00.B IOM6     0x20
00:a0:98:d5:2e:73  01      123         1.2.02.12   0           xxxxx1809000006   0x17   0a.00.A IOM6     0x20
 
 

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