failed to start crash recovery kernel arming

Question

centos7.9，ssh突然进不去，重启主机后报以下错误，请大拿协助解决。

Answer 1

从第一个错看有个LVM那个service没有启动好，

参照一下下面的这个这个，里面的情况和你的一样，并且有解决步骤

CentOS/RHEL 7无法启动 Failed to start LVM2 PV-之路教程 CentOS/RHEL 7无法启动 Failed to start LVM2 PV 问题 系统无法正常启动，日志如下： [ OK ] Started File System Check on /dev/xvdd. [ OK ] Started File System Check on /dev/xvdg. [ OK ] Started File System Check on /dev/xvdb. [ OK ] Started File System Check on /dev/xvdc. [ OK ] Started File System Check on /dev/disk/by-label/BOOT. Mounting /boot... [ OK ] Mounted /boot. [FAILED] https://www.onitroad.com/jc/linux/centos/faq/centos-rhel-7-failed-to-start-lvm2-pv-scan-on-device.html