Re: Disk drive recovery help
On Tue, 07 Apr 2009 15:29:16 -0700, tony mollica posted:
> Hello.
>
> Need a little help with a disk drive.
>
> Until today, my external storage drive was working fine using Debian 4.0
> (latest updates)
> and ext2 file system. It's a 180Gig drive divided into 3 partitions, 1
> primary and 2 logical,
> sdg1, sdg5 and sdg6, for example.
>
> I did two things, after which the drive acts unusual. It powers up but
> takes a few minutes,
> then automounts only the third partition(sdg6). I can mount the second
> partition
> manually(sdg5), but the first, and only, primary partiton(sdg1) isn't
> found.
>
> cfdisk shows all partitions normally. I can e2fsck 5 and 6, but not 1.
> dmesg shows a read error in the sector that partition 1 begins. Can't
> access sdg1 at all, tried several different disk programs to access the
> partition.
>
> Back to the two things. I tried to change the disk label, unsuccessfully,
> and there
> was a call to check the partition, so I unmounted it and e2fsck'd it. Now
> I can only
> get to 2 of the 3 partitions. Everything seems to be there, but it won't
> recognize
> the first and only primary partition. All the sector numbers seem to
> match using
> gpart, lde, cfdisk and fdisk.
>
> Looking for suggestions to find the error in the first partition.
>
Just to clear up a misconception, you have to have a primary
partition to hold the logical partitions. So, make sure we are talking
about things correctly. With fdisk do you see both primaries with one
being shown as extended (and containing the logical partitions)?
With the partition you are having trouble with unmounted, do you get an
error message when you try to fsck it?
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