fsck로 검사해보면
이렇게 나옵니다.
 [root@linux /usr]# fsck /dev/sda1
Parallelizing fsck version 1.19 (13-Jul-2000)
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
/dev/sda1 is mounted.
 WARNING!!! Running e2fsck on a mounted filesystem may cause
SEVERE filesystem damage.
 Do you really want to continue (y/n)? yes
 / was not cleanly unmounted, check forced.
Pass 1: Checking inodes, blocks, and sizes
Inode 81407, i_blocks is 760, should be 752. Fix<y>? yes
 Inode 81412, i_blocks is 264, should be 216. Fix<y>? yes
 Deleted inode 96819 has zero dtime. Fix<y>? yes
 Inode 97910, i_blocks is 64, should be 8. Fix<y>? yes
 Deleted inode 97913 has zero dtime. Fix<y>? yes
 Inode 97915, i_blocks is 64, should be 8. Fix<y>? yes
 Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences: -198733 -198734 -198735 -198736 -198737 -198738 -198739 -198759 -198760 -198761 -198762 -19876
3 -198764 -198765 -198766 -198767 -198768 -198769 -198770 -198771 -198772 -198773 Fix<y>? yes
 Free blocks count wrong for group #6 (18407, counted=18429).
Fix<y>? yes
 Free blocks count wrong (185076, counted=185098).
Fix<y>? yes
 Inode bitmap differences: -96819 -97913
Fix<y>? yes
 Free inodes count wrong for group #6 (14757, counted=14759).
Fix<y>? yes
  Free inodes count wrong (110712, counted=110714).
Fix<y>? yes
  /: ***** FILE SYSTEM WAS MODIFIED *****
/: 18054/128768 files (0.3% non-contiguous), 71934/257032 blocks
 짦은 저의 소견으로는 inode에 문제가 있는거 같습니다만...
 [root@linux /usr]# df -i /dev/sda1
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sda1 128768 18052 110716 15% /
  inode가 모자지는 않습니다 어디가 문제일까요?