[root@kvm /]# mount

/dev/mapper/VolGroup-lv_root on / type ext4 (rw)

proc on /proc type proc (rw)

sysfs on /sys type sysfs (rw)

devpts on /dev/pts type devpts (rw,gid=5,mode=620)

tmpfs on /dev/shm type tmpfs (rw)

/dev/sda1 on /boot type ext4 (rw)

/dev/mapper/VolGroup-lv_home on /home type ext4 (rw)

none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)

sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)

xenstore on /var/lib/xenstored type tmpfs (rw)

/var/ftp/pub/CentOS-6.4-i386-bin-DVD1.iso on /var/ftp/pub/iso type iso9660 (ro,loop=/dev/loop0)

//172.28.200.31/setup/PACS on /tmp type cifs (rw)                                这个是远程挂载的window的共享的文件夹，想卸载这个驱动器

[root@kvm ~]# fuser -m /tmp

/tmp:                 5081                                ##ID:5081 进程id 5081在使用这个分区

[root@kvm ~]# ps aux | grep 5081

root      5081  0.0  0.3 205852  9084 pts/0    S    13:31   0:00 /usr/local/php/sbin/php-fpm --fpm-config /usr/local/php/etc/php-fpm.conf

root      7287  0.0  0.0 103300   792 pts/0    S+   14:53   0:00 grep 5081

[root@kvm ~]# kill -9 5081

[root@kvm ~]# /etc/init.d/php-fpm: line 53:  5081 已杀死               $php_fpm_BIN $php_opts

failed

[root@kvm ~]# ps aux | grep 5081

root      7295  0.0  0.0 103300   788 pts/0    S+   14:53   0:00 grep 5081

[root@kvm ~]# fuser -m /tmp                            没人在使用了，安静了

[root@kvm ~]# umount /tmp                             终于可以卸载了，清净了