In my centos 6 server, it's been a while that I am deleting logs and not required files to avoid my root partition become full,
nothing seems to be that large to fill it,
this is my df output:
[root@server002 lib]# df -hT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/vg_server-lv_root
ext4 115G 105G 4.6G 96% /
tmpfs tmpfs 7.8G 0 7.8G 0% /dev/shm
/dev/sda1 ext4 485M 74M 386M 17% /boot
/dev/mapper/vg_server-lv_home
ext4 145G 77G 61G 56% /home
[root@server002 /]# ls | xargs du -sh
7.1M bin
64M boot
180K dev
27M etc
77G home
331M lib
22M lib64
16K lost+found
4.0K media
4.0K mnt
32M opt
du: cannot access `proc/34422/task/34422/fd/4': No such file or directory
du: cannot access `proc/34422/task/34422/fdinfo/4': No such file or directory
du: cannot access `proc/34422/fd/4': No such file or directory
du: cannot access `proc/34422/fdinfo/4': No such file or directory
du: cannot access `proc/47236/task/47368/fd/426': No such file or directory
du: cannot access `proc/47236/task/47368/fd/430': No such file or directory
du: cannot access `proc/47236/task/47368/fd/505': No such file or directory
du: cannot access `proc/47236/task/34457': No such file or directory
0 proc
407M root
14M sbin
4.0K selinux
4.0K srv
0 sys
1.2M tmp
1.3G usr
15G var
[root@server002 temp]# cd /
[root@server002 /]# ls -A | xargs du -sh
0 .autofsck
0 .autorelabel
7.1M bin
64M boot
180K dev
27M etc
77G home
331M lib
22M lib64
16K lost+found
4.0K media
4.0K mnt
32M opt
du: cannot access `proc/42393/task/42393/fd/4': No such file or directory
du: cannot access `proc/42393/task/42393/fdinfo/4': No such file or directory
du: cannot access `proc/42393/fd/4': No such file or directory
du: cannot access `proc/42393/fdinfo/4': No such file or directory
0 proc
407M root
14M sbin
4.0K selinux
4.0K srv
0 sys
1.2M tmp
1.3G usr
15G var