PSU报告严重状态并发出磁盘架电源中断警报

[Node-A: 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-A: statd: callhome.shlf.fault:error]: Call home for SHELF_FAULT
[Node-A: dsa_worker4: ses.status.psError:alert]: DS212-12 (S/N SHFNCXXXXXXXXXX) shelf 0 on channel 0b power error for Power supply 2: critical status; AC Fail. This module is on the rear of the shelf at the bottom right.
[Node-A: dsa_worker4: callhome.shlf.power.intr:error]: Call home for SHELF POWER INTERRUPTED

• 存储架上出现以下错误：

Cluster1::> storage shelf show -errors

   Shelf Name: 1.0
   Shelf UID: 50:0a:09:XX:XX:XX:XX:XX
 Serial Number: SHFNCXXXXXXXXXX

Error Type       Description
------------------ ---------------------------
Power        Critical condition is detected in storage shelf power supply unit "2". The unit might fail.
Voltage       Critical error detected in voltage sensor "4". Sensor is located in the rear of the shelf on the                    lower right power supply.
Voltage       Critical error detected in voltage sensor "3". Sensor is located in the rear of the shelf on the                    lower right power supply.

• storage show fault 输出中报告电源状态为故障：

Cluster1::> system node run -node <node> -command storage show fault

Enclosure Status: unrecoverable
Channel: 0a
Shelf: 0
Shelf Type: DS224-12
Product Serial Number: SHFNCXXXXXXXXXX
Module Type: IOM12

Power Supplies:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,00,00,20   RQSTED ON
 2: CRITICAL      02,00,00,F3   DC FAIL, AC FAIL, OFF, RQSTED ON, FAIL
  
Enclosure:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,00,02,00  FAIL