[Dovecot] linux 2.4 vs 2.6 kernel
G.Ohrner at post.rwth-aachen.de
Tue Jul 19 22:14:18 EEST 2005
Am Dienstag, 19. Juli 2005 20:46 schrieb Peter Hessler:
> Gunter Ohrner <G.Ohrner at post.rwth-aachen.de> wrote:
> : Reiser is fast and saves space, but can cause havoc when the system
> : crashes. The way Reiser works can cause a crash to corrupt files
> : which where not even opened at the time the system went down.
> : I've lost 3 reiser partitions during the years IIRC and in these
> : cases reiserfsck never helped but rather nailed the coffin, so to
> : speak...
> Why would you even consider a filesystem that corrupts files randomly?
> Not trolling, its a serious question.
I had most problems that I had when I still used reiser 2 with Linux 2.2,
which has long been obsoleted since reiser 3 was first included in the
mainline kernels since 2.4.1 or something.
All problems occured during bad system crashes, situations which really
should not happen and which would have caused damages with any file
system. So Reiser does not "corrupt files randomly", however in my
experience it's true that the damage caused by Reiserfs can exceed the
damage done by ext2. So far I had no serious crashes with ext3, so I
cannot say anything about this fs.
I just also see reiser's advantages over competing filesystems in some
areas. Dovecots speed improved significantly when I switched my (clearly
underpowered) mailserver machine from pure ext2 to reiserfs. It had also
had a few crashes (mainly power outages) since I set it up and I have not
had any problems with the system or it's reiserfs partition which carries
the whole /var fs so far.
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