一个PHY (内部磁盘架)的SAS适配器端口显示为速率未知

适用场景

• FAS25XX​​​​​​
• ONTAP 9

问题描述

• 事件日志中报告以下警报：

[Node-02: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process nchm: DegradedOnlinePort_Alert[0a].

• PHY已在SAS端口上禁用：

   slot 0: SAS Host Adapter 0a (PMC-Sierra PM8001 rev. C, SAS, <UP>)
      Firmware rev:     01.12.09.00
      Base WWN:       5:00a098:0070209:30
      Phy State:      [0] Enabled, 6.0 Gb/s
                [1] Disabled
                [2] Enabled, 6.0 Gb/s
                [3] Enabled, 6.0 Gb/s

• 也可以从以下输出中检查相同的内容：

:> system node run -node <node> storage show shelf

Expander phy state on 0a.0 (NETAPP  :DS212IOM6E     SHXYZXXXX000000):
                Pwr      Invald Disprt Loss   Phy   CRC   Phy
              Pwr Ccl Rsv Rls DWord  Error  Sync   Reset  Error  Change SATA
PHY/BAY STATE        ON  Cnt Cnt Cnt Count  Count  Count  Prob   Cnt   Cnt   Affiliation
------- ----------------- --- --- --- --- ------ ------ ------ ------ ------ ------ ----------------
 0/P0:0 6.0 Gb/s      --- --- --- --- 0    0    0    0    0    11    ----------------
 1/P0:1 Rate unknown
 2/P0:2 6.0 Gb/s      --- --- --- --- 0    0    0    0    0    11    ----------------

• 重新拔插受影响节点的主板可能会暂时修复问题描述、但错误再次出现。