[CentOS] fsck problems

Mon Mar 22 06:38:54 UTC 2010
sync <jiannma at gmail.com>

hi , guys:


 when i reboot the server today ,the screen displays this ;

---------------------------------------------------------------------------------------
Setting hostname xxx  [OK]

Your system appears to have shut down uncleanly
Press Y within 1 seconds to force file system integrity check...
Checking root filesystem

/dev/VolGroup00/LogVol 00: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY.
(i.e., without -a or -p options)
[FAILED]

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

is it the disk error ? What should i do to repair the disk ?

Thanks in advance ......
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