挂载逻辑卷后，尝试更新逻辑卷的文件系统
[root@server lost+found]# umount /new_room/
umount: /new_room: target is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
报错说繁忙
上网查 发现我进入了挂载目录
[root@server lost+found]# cd
[root@server ~]# umount /new_room/
完成卸载
标签：info,useful,room,umount,报错,found,new From： https://www.cnblogs.com/humlogs/p/17833901.html