Disk shelf ACP module in rebooting state
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