centos7系统报错;blk_update_request: I/O error, dev fd0, sector 0 错误及dmesg命令

https://www.cnblogs.com/chris-cp/p/6340289.html

查看系统信息，dmesg,  https://blog.csdn.net/fchyang/article/details/78480048

清除报警信息，dmesg -c

https://www.idcjia.net/m3071.html

dmesg --level=err,warn -T

实时监测dmesg日志输出（https://blog.csdn.net/whatday/article/details/104375856?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~first_rank_v2~rank_v25-6-104375856.nonecase&utm_term=dmesg%E6%97%A5%E5%BF%97%E5%9C%A8%E5%93%AA%E9%87%8C）

watch "dmesg | tail -20"