磁盘和 IOM 重新安装后，DS460C 抽屉中的磁盘出现“PHY 报告未知链路速率”

适用场景

• DS460C磁盘架
• 磁盘故障

问题描述

• AutoSupport STORAGE-FAULT 中的 IOM 绕过的磁盘或::> system node run -node node_name -command storage show fault -v“ 输出。示例：

Enclosure Status: critical
Channel: 0a
Shelf: 1
Shelf Type: DS460-12
Product Serial Number: SH0123456789
Module Type: IOM12
  ...
  27 [Bay  1]: CRITICAL     02,01,00,04  BYPASSED B, BYPASSED A, FAULT REQSTD
  ...

• ONTAP 事件消息警报。示例： 

[node_name: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Drive shelf "1", module "A", drawer "3", PHY "1" is reporting an unknown link rate.
[node_name: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Drive shelf "1", module "B", drawer "3", PHY "1" is reporting an unknown link rate.

[node_name-01: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED

• 更换磁盘后问题仍然存在： 

::> system node run -node node_name -command sasadmin expander_cli <SAS_path>.<Sheklf_ID>.<IOM_module> report_faults
...
Drawer 3:
  Device 27 (1)
     CRITICAL status code
     BYPASSED A
     BYPASSED B

• 并且未检测到驱动器： 

::> storage disk show -disk 1.1.27
There are no entries matching your query.

• 两个 IOM 重新安装后问题仍然存在。