[CentOS] URGENT

> It had solved , the error encounters from thousands of a bad sectors :( i
> do
> not know how it happened but recovery system has repaired after then
> mount /dev/sda /mnt ext3
>  grub-install /dev/sda
>
> has worked thanks
<snip>
"Thousands of bad sectors"? Today, order/walk in and buy a replacement
disk. NOW!

Your other option is to have no computer, because if it's in the thousands
of bad sectors, you probably had a head crash, and the drive *will* be
dead in days, if not today.

        mark