Linuxでディスク容量はあるのに容量不足エラーが出る場合の対処法 ref: http://qiita.com/unoemon/items/03a49f303176ad8e4035

file0.txt

# ls -ld /tmp
dr-xr-xr-x. 11 root root 4096 Aug 21 04:08 /tmp

file1.txt

# chmod 1777 /tmp

file2.txt

# ls -ld /tmp
drwxrwxrwt 3 root root 4096 Aug 21 04:08 /tmp

file3.txt

# df
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/xvda1       8123812 4815712   3207852  61% /
tmpfs             508628       0    508628   0% /dev/shm

file4.txt

# df -i
Filesystem     Inodes  IUsed  IFree IUse% Mounted on
/dev/xvda1     6406144 6406144 0   100% /
tmpfs          127157      1 127156    1% /dev/shm

file5.txt

# for i in /*; do echo $i; find $i |wc -l; done

file6.txt

# echo "==== `pwd` ====" ; for i in `ls -1`;do echo -n "## $i ### " ; echo "(`find ./$i -type f |wc -l`)" ;done | sort -r
==== /var ====

file7.txt

/foo
1
/piyo
2
/hoge
6370020

file8.txt

# rm -rdf /hoge/*