On 07/06/2012 08:22 AM, Jim issued this missive::
On 07/06/2012 11:09 AM, Reindl Harald wrote:
Am 06.07.2012 17:01, schrieb Reindl Harald:
Am 06.07.2012 16:11, schrieb Jim:
On 07/05/2012 01:30 PM, Reindl Harald wrote:
I have tried to use fedora and Gparted with no luck
you should not play around before
knowing what problem the drive has
if it is a physical problem google for "ddrescue"
There are some important data files I must save off of sda2
what about BACKUPS?
ff your data is important backups exists
if your data is not important it does not matter
why do people still need to learn it the hard way?
I run dd if=/dev/sda2 of=/dev/sdb1 to copy, supposely a 26gb image to sdb1 but i do not see a image on sdb1 .
Confused ???
no, just stupid because you do not read manuals nor know anything about
basic-commands and that is why you destroyed /dev/sdb1 if there were
data by overwrite the whole partition
/dev/sdb1 is now a blockwise copy of /dev/sd1
if you want a image you have to use "dd if=/deV7sda1 of=/path/filename.image"
well, i guess the reason why this happened was a combination
of plain stupid advise below without explain what it does in
a real dangerous way and blindly following any advise without
trying to understand what are you doing
hopefully lesson learned -> BOTH of you!
this is why i said "google for ddrescue" and NOT provide any
HIGH DANGEROUS command line
-------- Original-Nachricht --------
Betreff: Re: sda2 is corrupted
Datum: Thu, 5 Jul 2012 20:15:14 +0200
Von: Heinz Diehl<htd@xxxxxxxxxx>
Antwort an: Community support for Fedora users<users@xxxxxxxxxxxxxxxxxxxxxxx>
Organisation: private site
An:users@xxxxxxxxxxxxxxxxxxxxxxx
On 05.07.2012, Jim wrote:
There are some important data files I must save off of sda2
Before you start any rescueing, take a full snapshot of the partition,
e.g. "dd if=/dev/sda2 of=/dev/on_an_external_disk"
that is exactly what I did but nothing shows up on /dev/sdb1 external
drive after dd has completed .
Jim, what the others are trying to say (and several of them not too
gracefully) is that the command you ran simply did a block-for-block
copy of /dev/sda2 over the top of /dev/sdb1. /dev/sdb1 is now an exact
copy of /dev/sda2 and whatever was on /dev/sdb1 has now been destroyed.
You need to re-create a filesystem on that /dev/sdb1 partition. Plug the
drive in and (as root) recreate the filesystem:
mke2fs -t ext4 /dev/sdb1
When that's done, mount /dev/sdb1 somewhere (usually there's a "/mnt"
directory you can use). Example:
mount /dev/sdb1 /mnt
Finally, you can do the copy by entering this command:
dd if=/dev/sda2 of=/mnt/driveimage.img
This would create a file, "driveimage.img" in the "/mnt" directory (and
thus on /dev/sdb1). Once that's complete, you can unmount /dev/sdb1:
umount /mnt
and unplug the drive to keep it safe. When that's all done, you can
attempt to run the fsck on /dev/sda2.
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- Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx -
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- Consciousness: that annoying time between naps. -
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