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"由于SAS电缆出现故障、检测到sas.cable.degraded"

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Knowledge Base guidance

This article may include metadata, visibility, validation state, and related support guidance.

适用场景

  • ONTAP 9
  • SAS存储架

问题描述

  • EMS 显示处于降级模式的SAS端口。

[sas.cable.degraded:error]: Cable attached to SAS port "0a" is functioning in a degraded mode.

  • 从 sysconfig -a  输出中检查时、某些PHY的速度会降低。示例

slot 0: SAS Host Adapter 0a (PMC-Sierra PM8072 rev. C, SAS, <UP>)
Firmware rev: 03.08.09.00
Base WWN: 5:00a098:00f5e56:b0
Temperature: Not Available
Phy State: [0] Enabled, 6.0 Gb/s
      [1] Enabled, 12.0 Gb/s
      [2] Enabled, 3.0 Gb/s
      [3] Enabled, 12.0 Gb/s

  • 重新拔插SAS电缆后、问题描述仍然存在。
  • storage port show “将 SAS 端口 0a 报告为”online-degraded