RHEL 7.9主机在Lustre文件系统上出现I/O延迟
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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