838   Linux RedHat

[root@localhost /]# umount /mnt/
umount: /mnt: device is busy
umount: /mnt: device is busy
使用umount -f,问题依旧
[root@localhost /]# umount -f /mnt/
umount2: Device or resource busy
umount: /mnt: device is busy
umount2: Device or resource busy
umount: /mnt: device is busy
使用fuser命令,先确认有那些进程需要杀掉
[root@localhost /]# fuser -cu /mnt
/mnt: 15060c(root)
其次向进程发出SIGKILL信号
[root@localhost /]# fuser -ck /mnt
/mnt: 15060c
确认
[root@localhost /]# fuser -c /mnt
[1]+ Killed dd if=1g of=/dev/null bs=1M (wd: /mnt)
(wd now: /)




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