Message-ID: <20010718051859.44407.qmail@web10401.mail.yahoo.com>
Date: Wed, 18 Jul 2001 15:18:59 +1000 (EST)
From: =?iso-8859-1?q?Steve=20Kieu?= <haiquy@yahoo.com>
Subject: Re: ReiserFS / 2.4.6 / Data Corruption
To: Sam Thompson <samuelt@cervantes.dabney.caltech.edu>
Cc: kernel <linux-kernel@vger.kernel.org>
In-Reply-To: <20010717211401.A322@caltech.edu>
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Sender: linux-kernel-owner@vger.kernel.org

Just from my experience of using fs:

My advice:

Dont use reiserfs,JFS
it is ok to use ext2 

Go journalling? use ext3 or XFS

I have used  all of these fs and pick up this rule (up
to now, not sure it remains right in the far  future)

cheers


 --- Sam Thompson
<samuelt@cervantes.dabney.caltech.edu> wrote: > First,
please CC all replies to samuelt@caltech.edu,
> as I am not on the mailing list.
> 
> 
> The other day a computer of mine lost power and the
> ext2 fs was severely damaged
> . I decided to reinstall debian using reiserfs to
> prevent this. I had no problems with installation,
> (I've done this same install on other computers) but
> as I started to untar backup tarballs I had made, I
> started noticing problems with what I believe is the
> filesystem.
> 
> Tar/gzip will complain about crc errors in files:
> for example in a certain 40 mb file I can decompress
> fine on other computers. If I try to uncompress the
> same file immediately, it will fail at a different
> point, seemingly at random. Sometimes it works fine.
> Random debian packages I apt-get have the same
> problem. Sometimes they won't unpack properly,
> sometimes they will.
> 
> I tried reinstall gzip several times, but I don't
> think the problems are limited to compressed files,
> just very obvious in critical situations like that.
> 
> I can get complex software to run: xfree86 4.1,
> mozilla, etc, fine, although som
> e files apparently go missing in some programs.
> 
> Just now I got the following error message when
> deleting a tarball:
> 
> vs-4080: reiserfs_free_block: free_block
> (0301:672040)[dev:blocknr]: bit already
>  cleared
> 
> 
> Next, I took the hard drive to my other, stable
> computer and ran reiserfsck --rebuild-tree on it,
> under the hopes that this would fix it. It did
> appear to fix it, but about 10 minutes later the
> symptoms came back. 
> 
> Here is 'debugreiserfs /dev/hda1' output:
> 
> 
> Super block of format 3.5 found on the 0x3 in block
> 16
> Block count 4233112
> Blocksize 4096
> Free blocks 3900694
> Busy blocks (skipped 16, bitmaps - 130, journal
> blocks - 8193
> 1 super blocks, 324078 data blocks
> Root block 8529
> Journal block (first) 18
> Journal dev 0
> Journal orig size 8192
> Filesystem state ERROR
> Tree height 4
> Hash function used to sort names: "tea"
> Objectid map size 62, max 1004
> Version 0
> 
> 
> Here is my relevant hardware:
> 
> Motherboard: Asus A7V KT133 with 686A southbridge
> (NOT the 686B).
> Harddrive: 30 gig ide maxtor/generic.
> 
> I installed 2.4.6 to try and fix the problem, it
> didn't seem to help, although I do not clearly
> remember the difference between 2.2.17-patched and
> 2.4.6 in terms of the symptoms.
> 
> I tried reinstalling once, but that did not help.
> 
> I'm at a loss as to how to proceed. Any ideas?
> 
> Thank you for your time,
> 
> Sam
> ---
> samuelt@caltech.edu
> -
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=====
S.KIEU

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