HILFE! HELP! Problem with my root-partition

HILFE! HELP! Problem with my root-partition

[Alexander Waller]

Hi!
I restarted my server.
Now my reiserfs-root-partition cannot be mounted.
Reiserfsck doesn´t help.

filehound:~ # reiserfsck --fix-fixable /dev/hdb3
reiserfsck 3.6.4 (2002 www.namesys.com)
Will check consistency of the filesystem on /dev/hdb3
and will fix what can be fixed w/o --rebuild-tree
Will put log info to 'stdout'

Do you want to run this program?[N/Yes] (note need to type Yes if you
do):Yes
reiserfs_open: neither new nor old reiserfs format found on /dev/hdb3

reiserfsck: Cannot not open filesystem on "/dev/hdb3"
Aborted
filehound:~

There is a harddisk, realy. 
filehound:~ # fdisk -l /dev/hdb

Disk /dev/hdb: 28.5 GB, 28520497152 bytes
16 heads, 63 sectors/track, 55262 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/hdb1   *         1        33     16600+  83  Linux
/dev/hdb2            34       292    130536   82  Linux swap
/dev/hdb3           293     55252  27699840   83  Linux
filehound:~ #

Please can anyone help me ?!
Alex.



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Re: HILFE! HELP! Problem with my root-partition

[Bernd Schubert]

On Tuesday 26 August 2003 19:41, Alexander Waller wrote:
> Hi!
> I restarted my server.
> Now my reiserfs-root-partition cannot be mounted.
> Reiserfsck doesn´t help.
>
> filehound:~ # reiserfsck --fix-fixable /dev/hdb3
> reiserfsck 3.6.4 (2002 www.namesys.com)
> Will check consistency of the filesystem on /dev/hdb3
> and will fix what can be fixed w/o --rebuild-tree
> Will put log info to 'stdout'
>
> Do you want to run this program?[N/Yes] (note need to type Yes if you
> do):Yes
> reiserfs_open: neither new nor old reiserfs format found on /dev/hdb3
>
> reiserfsck: Cannot not open filesystem on "/dev/hdb3"
> Aborted
> filehound:~
>
> There is a harddisk, realy.
> filehound:~ # fdisk -l /dev/hdb
>
> Disk /dev/hdb: 28.5 GB, 28520497152 bytes
> 16 heads, 63 sectors/track, 55262 cylinders
> Units = cylinders of 1008 * 512 = 516096 bytes
>
>    Device Boot    Start       End    Blocks   Id  System
> /dev/hdb1   *         1        33     16600+  83  Linux
> /dev/hdb2            34       292    130536   82  Linux swap
> /dev/hdb3           293     55252  27699840   83  Linux
> filehound:~ #
>
> Please can anyone help me ?!
> Alex.


Hello Alex,

first of all you should install a new reiserfsck (get it from 
ftp.namesys.com). Perhaps even this helps, otherwise there are options like  
--rebuild-tree and --rebuild-sb. Especially if you need to to rebuild-sb, you 
should do a backup of you partition to another harddisk using dd or 
dd_rescue.

I guess you will get more professional help in the next hours by the 
reiserfs-programmers... :) However, I think they will first advise you to 
upgrade to newer reiser-tools.

Regards,
	Bernd

Re: HILFE! HELP! Problem with my root-partition

[Vitaly Fertman]

On Tuesday 26 August 2003 21:41, Alexander Waller wrote:
> Hi!
> I restarted my server.
> Now my reiserfs-root-partition cannot be mounted.
> Reiserfsck doesn´t help.
>
> filehound:~ # reiserfsck --fix-fixable /dev/hdb3
> reiserfsck 3.6.4 (2002 www.namesys.com)
> Will check consistency of the filesystem on /dev/hdb3
> and will fix what can be fixed w/o --rebuild-tree
> Will put log info to 'stdout'
>
> Do you want to run this program?[N/Yes] (note need to type Yes if you
> do):Yes
> reiserfs_open: neither new nor old reiserfs format found on /dev/hdb3
>
> reiserfsck: Cannot not open filesystem on "/dev/hdb3"
> Aborted
> filehound:~
>
> There is a harddisk, realy.
> filehound:~ # fdisk -l /dev/hdb
>
> Disk /dev/hdb: 28.5 GB, 28520497152 bytes
> 16 heads, 63 sectors/track, 55262 cylinders
> Units = cylinders of 1008 * 512 = 516096 bytes
>
>    Device Boot    Start       End    Blocks   Id  System
> /dev/hdb1   *         1        33     16600+  83  Linux
> /dev/hdb2            34       292    130536   82  Linux swap
> /dev/hdb3           293     55252  27699840   83  Linux
> filehound:~ #
>
> Please can anyone help me ?!
> Alex.

Hi Alexander,

first of all you need to ensure that your hdb3 partition is on its 
proper place, and the start of it has not been moved aside due 
to some reason. If the start (and size) is correct, then you lost 
the super block of the reiserfs on hdb3 and you should obtain 
the latest reiserfsprogs from our ftp site (ftp.namesys.com) first
of all and then run 
        reiserfsck --rebuild-sb /dev/hdb3
after that you will have to run 
        reiserfsck --rebuild-tree /dev/hdb3 -l logfile.

-- 
Thanks,
Vitaly Fertman