It sounds like a hardware failure. The way out is to use your backups. You
do have backups?


sridhar <sribang@yahoo.com> writes:

>I have been running Win2k/FC8 on my first HDD (80Gb) and only FC5 on
>my 2nd HDD (160Gb). MBR and Grub is on 1sr HD (sda). Things were going
>smoothly until today, when I tried to boot my FC5 I got the error
>"Filesystem unknown and Partition type 0x93". Grub could not load FC5.
>My FC8 and Win2k are still working fine.

>Using fdisk I could change the partition type to 0x83 on the 2nd HDD
>(sdb) for the first 3 partitions but could not change the extended
>partition, which still says unknown. See below

>grub> geometry (hd1)
>drive 0x81: C/H/S = 19457/255/63, The number of sectors = 312581808, /
>dev/sdb
> Partition num: 0, Filesystem type unknown, partition type 0x83
> Partition num: 1, Filesystem type unknown, partition type 0x83
> Partition num: 2, Filesystem type unknown, partition type 0x83
> Partition num: 3, Filesystem type unknown, partition type 0x15

>Tried using the install CD to see if I can fix or upgrade my 2nd HD
>but I got the message that partitions are not readable and the I need
>to initialize the HD causing data loss.
>I have all my important data on my 2nd HDD. Can some one pl. help me
>on how I can resurrect the FC5 and or at least recover the data. I
>have to scream HELP! HELP!

>Thanks for your help
>NS