外壳出现 NO ACPP、INBACP、FAIL 错误

• EMS 报告以下货架故障：

[Node-02: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[Node-01: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[Node-01: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[Node-02: statd: callhome.shlf.fault:error]: Call home for SHELF_FAULT
Or
[dsa_worker3: ses.status.ACPError:alert]: DS212-12 (S/N ****) shelf 0 on channel 0b 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.
[dsa_worker3: ses.status.ACPError:alert]: DS212-12 (S/N ****) shelf 0 on channel 0b 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.
[statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[statd: callhome.shlf.fault:error]: Call home for SHELF_FAULT

• SP-LASTEST-IPMI 报告Controller LED ON.

　======================================
　hsamcmd --fault-show-all
　===============================
　tag  origin  fld                    fault reason                   count  time             
　---- ------- ---- -------------                   ------ -----            
　1   bmc    /chassis-1/controller-b    SAS Expander has set the Controller LED ON    1    
　Fault Lights On:
　      /chassis-1                                    1    
　     /chassis-1/controller-b                           1   

• STORAGE-FAULT 输出：

::> system node run -node <node_name> -command storage show fault
Enclosure Status: critical
Channel: 0a
Shelf: 0
Shelf Type: DS224-12
Product Serial Number: XXXXXXXXXXXXXXX
Module Type: IOM12E

Enclosure:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,00,02,00   FAIL
  
Vendor Unique Element 85-IOM12E: (ACP)
Element Status            Status Bytes  Status Descriptions
  1 [IOM12E A]   : CRITICAL      02,18,00,40   NO ACPP, INBACP, FAIL
  2 [IOM12E B]   : CRITICAL      02,18,00,40   NO ACPP, INBACP, FAIL

• 服务处理器重新启动后，问题仍然存在。
• 在系统上禁用和重新启用 ACP 无济于事。
• IOM 的电源循环不能解决此问题。
• 重新拔插主板也会导致相同的错误。