Mailinglist Archive: opensuse (1528 mails)

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Re: [opensuse] ReiserFS partitions recognized as Ext3. How to recover?
  • From: Mike McMullin <mwmcmlln@xxxxxxxx>
  • Date: Sat, 06 Feb 2010 06:20:03 -0500
  • Message-id: <1265455203.10557.1.camel@xxxxxxxxxxxxxxxxxxxxx>
On Fri, 2010-02-05 at 21:12 +0100, Carlos E. R. wrote:
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On Friday, 2010-02-05 at 21:36 +0200, Mark Goldstein wrote:

I have strange problem with my home OpenSUSE 11.0 machine.

Machine has dual boot configuration - Win2000 (not used for long time)
and OpenSuSE 11.0. HD is Maxtore, 60 GB.
The first partition is primary FAT, then I have Extended partition,
and inside this I have another FAT partition, then linux swap
(/dev/sda6) and 2 reiserfs partitions - / (dev/sda7) and /home
(/dev/sda8).

Something happened yesterday. One thing was power failure, but I can
hardly explain observed behavior by physical problem. The disk was OK,
smart monitor never complained.
When I turned computer on, the system reported that the sda7 is Ext3
FS, tried to check file system, reported inconsistency and dropped to
maintenance mode. sda8 is also recognized as Ext3.

In maintenance mode, / looks normal. I can check files and everything
is there.Commands and utilities from this disk work. When I manually
mount /home - all files are there and look OK.
Windows is working OK.

Using some rescue tools I was able to copy home directory and all
important information from / to different computer (no errors reported
while copying files).

I assume that dev/sda7 and dev/sda8 are mounted at this moment in time. If
you issue the command "mount" and you see those partitions reported as
ext3, and you can copy the files, and they are not corrupted, there is no
doubt: those filesystems are ext3, not reiserfs - regardless what your
memory says >:-)


Now I tried reiserfsck on sda8 and it reported no superblock present.
I tried to re-create it and re-check and reiserfsck now complained

If you try to repair them as reiserfs, you will utterly destroy them, as
they are not reiserfs. If you want them as reiser, reformat, and copy the
data back.

Unless you have more disks or more partitions and you didn't know. Or a
filesystem loop mounted on top of another, but that needs some doing.

Wonder what's in /etc/fstab.

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