Hi Jaime.
Perhaps some of the errors are found in the first block of the drive and hence
the partition table is broken? That would explain why its partitions are not
showing up.
You can use testdisk to try to find partitions on the drive. I also like mmls
from the Sleuth Kit.
You can then multiply the number of blocks by 512 and then mount the partition
as a loop device with an offset.
For example, if the first partition started at block 63, 63 X 512=32256
mkdir mnt
sudo mount -o loop,offset=32256 /dev/sdb mnt
Good luck!
Andrew Zajac
--- On Mon, 3/8/10, Jaime Frontero <[email protected]> wrote:
From: Jaime Frontero <[email protected]>
Subject: [Bug-ddrescue] disc>disc copy done. can't mount target drive.
To: [email protected]
Received: Monday, March 8, 2010, 2:45 AM
so i have a FAT32 1TB drive with errors, and used gddrescue in whole disc mode
to rescue it to a 2TB drive. i used the following commands:
ddrescue -n /dev/sdh /dev/sdb logfile [nb:33 hours of cranking...]
ddrescue -dr2 /dev/sdh /dev/sdb logfile
/dev/sdh is in a USB enclosure, /dev/sdb is connected normally to the
motherboard (both drives are SATA).
the data noted as saved was impressive - only about 300kb of errors left, out
of over 900 GB.
i followed the instructions for disc>disc rescue in the man page: "Note: you do
not need to partition /dev/hdb [/dev/sdb in my case] beforehand." i did not
partition /dev/sdb.
but now (Mint 8=Ubuntu 9.10), while i can see the target drive (marked healthy)
in the disk utility, all i see is unallocated space. i can't figure out how to
mount the blasted thing without re-partitioning it (that would probably be a
/bad/ thing, yes?). i'm assuming - given the time it spent having stuff copied
onto it - that the data is there *somewhere*.
where is it? how do i get it? embarrassing - i'm probably missing something
abysmally simple...
thank you.
jaime
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