Hi, everyone.
My linux workstation(rhel4) is giving  following errors, when i am trying to boot.
 here is what i get.
Starting undev: [ok]
Initializing hardware... storage network audio done [ok]
mount: mount: can't find /dev/pts in /etc/fstab or /etc/mtab

Setting clock (localtime): Thu Jul 1  12:10:41 EDT2010 [ok]
Loading default keymap 9us):                                        [ok]
Configuring kernel parameters:                                      [ok]
Loading default keymap (us):                                         [ok]
Setting hostname master201.nii.res.in:                           [ok]

checking root filesystem
fsck.ext2: Is a directory while trying to open /              
                                                                                   [failed]

*** An error occurred during the file system check.
*** Dropping you to a shell; the system will reboot
*** when you leave the shell.
*** Warning -- SELinux is active
*** Disabling security enforcement for system recovery.
*** Run 'setenforce 1' to reenable.
Give root password for maintenance.
(or type Control-D to continue):

i am in dire need to fix it.
Is there anybody who can help me.
plz suggest me some trouble shoot.


regards.