首先，我不是系统管理员，所以这对我来说都是新鲜事。
运行于：CENTOS 6.4 x86_64，Cpanel/WHM 11.36.1（build 6）
问题：我的根磁盘已满，但我找不到导致此问题的文件。
#df -h
Filesystem Size Used Avail Use% Mounted on
rootfs 39G 34G 3.0G 92% /
/dev/root 39G 34G 3.0G 92% /
none 12G 472K 12G 1% /dev
/dev/md3 1.8T 7.2G 1.7T 1% /home
/dev/loop0 4.0G 150M 3.6G 4% /tmp
/dev/loop0 4.0G 150M 3.6G 4% /var/tmp
/dev/root 39G 34G 3.0G 92% /var/named/chroot/etc/named
/dev/root 39G 34G 3.0G 92% /var/named/chroot/usr/lib64/bind
du -sh /*
7.4M /bin
8.6M /boot
4.0K /cgroup
472K /dev
26M /etc
7.0G /home
21M /lib
25M /lib64
16K /lost+found
4.0K /media
4.0K /mnt
39M /opt
du: cannot access `/proc/22413/task/22413/ns/net': No such file or directory
du: cannot access `/proc/22413/task/22413/ns/uts': No such file or directory
du: cannot access `/proc/22413/task/22413/ns/ipc': No such file or directory
du: cannot access `/proc/22413/ns/net': No such file or directory
du: cannot access `/proc/22413/ns/uts': No such file or directory
du: cannot access `/proc/22413/ns/ipc': No such file or directory
du: cannot access `/proc/22957/task/22957/fd/4': No such file or directory
du: cannot access `/proc/22957/task/22957/fdinfo/4': No such file or directory
du: cannot access `/proc/22957/fd/4': No such file or directory
du: cannot access `/proc/22957/fdinfo/4': No such file or directory
0 /proc
2.4M /root
20M /sbin
0 /scripts
4.0K /selinux
4.0K /srv
0 /sys
15M /tmp
8.0G /usr
1.3G /var
那怎么会有 34GB 呢，因为 home 位于不同的分区。非常感谢您的帮助。