[root@web2-server yum.repos.d]# umount /mnt/cdrom/ umount: /mnt/cdrom: device is busy. (In some cases useful info about processes that use the device ) or fuser()) [root@web2-server yum.repos.d]# umount /mnt/cdrom/ -f //强制卸载也不行 umount2: 设备或资源忙 umount…
#umount /mnt/fourtumount: /mnt/fourt: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) fuser 概述fuser命令是用来显示所有正在使用着指定的file, file system 或者 sockets的进程信息.例:#fuser -m -u /mnt/…