디렉토리별로 용량 체크

# du -h --max-depth=1

[root@crucible /]# du -h --max-depth=1

244K    ./dev

19M     ./root

8.1G    ./usr

du: cannot access `./proc/15022/task/15022/fd/4': No such file or directory

du: cannot access `./proc/15022/task/15022/fdinfo/4': No such file or directory

du: cannot access `./proc/15022/fd/4': No such file or directory

du: cannot access `./proc/15022/fdinfo/4': No such file or directory

0       ./proc

4.0K    ./media

16K     ./lost+found

4.0K    ./cgroup

110G    ./data

142M    ./lib

12K     ./.dbus

0       ./net

20K     ./user

18M     ./sbin

28M     ./boot

0       ./misc

116K    ./tmp

4.0K    ./srv

49M     ./etc

21M     ./home

33M     ./lib64

4.0K    ./mnt

11M     ./bin

1.1G    ./var

0       ./selinux

8.0K    ./opt

0       ./sys

120G    .