sda2 is corrupted (HOWTO NOT HELP)

[Reindl Harald]

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 at fritha.org>
Antwort an: Community support for Fedora users <users at lists.fedoraproject.org>
Organisation: private site
An: users at lists.fedoraproject.org

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"

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