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RHEL 7.9主机在Lustre文件系统上出现I/O延迟

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esg<a>2009047183</a>
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适用场景

  • RHEL 7.9
  • 集群
  • 核心同步
  • 起搏器
  • E5700
  • SANtricity OS 11.70.1R1、11.70.2

问题描述

RedHat Enterprise Linux 7.9主机遇到Luster文件系统上超过120秒的I/O延迟、导致paker/Corosync触发NMI (非屏蔽中断)。
主机 Recovered Error 在 messages or syslog 主机日志文件中显示大量重复:
 
1653449345 2022 May 25 03:29:05 hostname kern info kernel [ 5080.869325] sd 0:0:0:3: [sdc] tag#11 Sense Key : Recovered Error [current]
1653449345 2022 May 25 03:29:05 hostname kern info kernel [ 5080.869327] sd 0:0:0:3: [sdc] tag#11 Add. Sense: Select or reselect failure

 

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