Trying to rescue a hard disk -- weired feedback??

[Sam Varshavchik]

William Case writes:

> Hi;
> 
> I have a hard disk that seems broken but I am trying to save -- or at
> least save the data on it.  
> 
> The broken hard disk is a dual boot SCSI disk that worked.
>       * BIOS says that the disk is present and accounted for i.e. right
>         name and size even after swapping in and out other harddisks.
>       * Using Fedora rescue disk, parted /dev/sda says can't read sda.
>       * Using Fedora rescue disk, fdisk /dev/sda says can't read sda.
>       * Using Fedora rescue disk, chroot /mnt/sysimage can't mount
>         sysimage.
>       * fdisk /mbr says can't fix mbr.  ( I am not sure whether this
>         message means that nothing is wrong with the mbr or that it is
>         beyond repair )
> 
> I would like to do any of the following:
>       * get the hard disk working again, or,
>       * view the data on the disk, and/or,
>       * rescue the data on the disk.
> 
> What should I try next?

Look what happens in /var/log/messages when fdisk /dev/sda says that it 
can't read sda.

Also, verify that this disk is, indeed, sda. Look at dmesg to see what disks 
the kernel saw when it booted.

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