CentOS 4サーバの/(ルートパーティション)に対するfsck ref: http://qiita.com/na0AaooQ/items/e4c44a41e19bb65427e9

file0.txt

/: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
(i.e., without -a or -p options)

*** An error occurred during the file system check.
*** Dropping you to a shell; the system will reboot
*** when you leave the shell.
Give root passwrd for maintenance
(or type Control-D to continue):

file1.txt

Give root password for maintenance
(or type Control-D to continue): →　rootのパスワードを入力します。

file10.txt

# dig www.example.com

file11.txt

# chkconfig --list
# ps awux | grep -v grep | sort

file12.txt

# date

file2.txt

# df -Ph /
Filesystem          サイズ  使用  残り 使用% マウント位置
/dev/cciss/c0d0p3      20G  9.4G  8.9G  52% /
#

# cat /etc/fstab
　　(省略)
LABEL=/                 /                       ext3    defaults        1 1
　　(省略)

# mount
　　(省略)
/dev/cciss/c0d0p3 on / type ext3 (rw)
　　(省略)

file3.txt

# mount -o ro,remount /

file4.txt

# date > /tmp/write_test.txt

file5.txt

# fsck -y -t ext3 /dev/cciss/c0d0p3

file6.txt

　(省略)
Free inodes count wrong (XXXXXXX, counted=XXXXXXX)

Fix? yes

/: ***** FILE SYSTEM WAS MODIFIED *****
/: ***** REBOOT LINUX *****
(Repair filesystem) 26 # exit

(Repair filesystem) 26 # reboot

file7.txt

# ls -lrta /
# cat /etc/fstab
# df -Ph
# mount
# date >> /tmp/write_test.txt
# date >> /tmp/write_test.txt
# cat /tmp/write_test.txt
# rm /tmp/write_test.txt

file8.txt

# cat /var/log/messages
# dmesg

file9.txt

# ifconfig
# netstat -nr
# ping XX.XX.XX.XX