驱动器被绕过，导致控制器进入混合路径状态

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Category:: fas-systems<a>IOM3</a><a>IOM6</a><a>IOM12</a><a>IOM</a><a>绕过</a><a>DWORD 错误</a><a>：混合路径</a><a>IOM12E</a><a>已禁用 /IDD</a><a>已禁用 /BRST_PCD</a>

Specialty:: hw

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适用场景

I/O 模块（ IOM ）— 3.
I/O 模块（ IOM ）— 6.
I/O 模块（ IOM ）— 12
I/O 嵌入模块（ IOM-E ）
ONTAP 9

问题描述

磁盘已被绕过， SYSCONFIG -A 并在输出中丢失。
EMS 错误示例：

Mon Nov 23 14:43:22 CET [node1: dsa_worker4: ds.sas.hostphy.disableErr:critical]: [ 7 ] on channels 0b shelf id 22 IOM B Disabled due to excessive invalid dword error.

SAS-expander-PHY 状态，驱动器报告 Disabled/[reason].示例：
Expander phy state on 0b.22 (NETAPP :DS224IOM6 1200345678): 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 ------- ----------------- --- --- --- --- ------ ------ ------ ------ ------ ------ ---------------- 15/7 Disabled/IDD YES 0 0 0 21/13 Disabled/BRST_PCD YES 3 0 0
混合路径存储系统状态示例：

::>system node run -node <nodename> -command sysconfig -a NetApp Release 9.5P2: Thu Mar 14 10:01:49 EDT 2019 System ID: 0123456789 (NODE-01); partner ID: 0123456788 (NODE-02) System Serial Number: 0123456789012 (NODE-01) System Rev: A4 System Storage Configuration: Mixed-Path ...