[ltp] Re: swap problem (!)

Thomas Hartwig linux-thinkpad@linux-thinkpad.org
Sun, 03 Apr 2005 09:12:38 +0200


Hi Leo,

how did you finally fix it. Please help others and post a short summary.

;-)

Thanks
Thomas

Leo Gürtler wrote:
> Matthias Posseldt wrote:
> 
> Thanks, I was able to rescue all those data that were necessary.
> 
> best regards
> 
> leo
> 
>> It may be possible if you didn't use the swap partition yet. First do 
>> a complete backup of your partition (dd if=/dev/hdx 
>> of=somelargefile.img) and then operate on this image to try to restore 
>> your data on the partition.
>>
>> Ext3 contains some superblocks which are entry points to the directory 
>> structure. If one of them is destroyed, it is possible to use a 
>> different superblock to restore the filesystem. That can be done with 
>> fsck.ext3. Read the manual pages and the documentation on the internet 
>> for further information.
>>
>> And, that is most important, be very careful when booting rescue CDs 
>> and the like. They almost always activate the swap partitions and use 
>> them. That will destroy your data. So boot these CDs with a "noswap" 
>> option or the like.
>>
>> Regards,
>> Matthias
>>
>>  
>>