Re: Bad block 0 error

["Vladimir V. Saveliev" <vs@namesys.com>]

Hello

Alistair McDonald wrote:
> Hi,
> 
> 
>>Lets try to see if there are reiserfs metadata on /dev/md0:
>>
>>echo "\n" | 3.6.17/debugreiserfs -k -S -q /dev/md0 | head 10000
>>
>>It should output something like:
>>block 17775 is reiserfs leaf node
>>
>>If you do not see such lines - reiserfsck can not do anything with that
>>device.
> 
> 
> Well, it took a *long, long* time, but here are the results (the command
> changed slightly):
> 
> # echo "\n" | debugreiserfs -k -S -q /dev/md0 | head -10000
> head: `-10000' option is obsolete; use `-n 10000' since this will be
> removed in
> the future
> debugreiserfs 3.6.17 (2003 www.namesys.com)
> 
> Whole device (61277904 blocks) is to be scanned
> looking for ([0 0])
> 0%...\.20%....40%....60%..
> Log file 'scan.log' is opened
> What key do you want to find: dirid?objectid?block 16 is reiserfs super block
> block 18 is journal descriptor
> block 19 is reiserfs super block
> block 21 is journal descriptor
> block 22 is reiserfs super block
> block 24 is journal descriptor
> block 25 is reiserfs super block
> altair root # \
> 
> 
> 
>>please also run
>>debugreiserfs -m /dev/md0 > md0.bitmap
>>and send us md0.bitmap
>>
> 
> 
> I will send the md0.bitmap directly to you (not to the list) once that
> command has completed.
> 

Hmm, I am afraid that I will have to disappoint you. /dev/md0 does not 
contain reiserfs metadata blocks. Would you make sure once again that 
you dd_rescue-ed broken reiserfs filesystem to /dev/md0?


> Many thanks,
> 
> Alistair
> 
> 
>