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Re: reiserfs on all my SRM-alpha drives: how I did it


Do you have references you can cite on the problems people have had 
with reiserfs?  Are these problems with some of the earlier versions?  
I have not heard of any problems recently.

I am also aware of the other journaling filesystems available (ext3, 
jfs (IBM), xfs (SGI)), but until these are in the kernel proper, I am 
not interested in patching.  Are their plans to include any of these in 
the kernel?  These may be better also and I have some good experiences 
with both AIX and IRIX.

I also do daily backups on these systems with AMANDA.  So far though, I 
have had absolutely no problems with reiserfs on either Intel or Alpha.

Thanks for the info...

On Sunday 28 October 2001 02:01 pm, Michal Jaegermann wrote:
> On Sun, Oct 28, 2001 at 09:50:47AM -0500, Christopher C. Chimelis 
> > Yes, I saw a few horror stories.  Luckily, this isn't really a
> > production system, just a home machine that happens to have a
> > partial mirror on it, so if it dies, I'm not worried.  But, the
> > partition's contents only change once per day and it sure beats a
> > 20 min. fsck :-)
> I do not mean to imply that journaled file systems do not have their
> uses.  But those who will understand them as a license to play rough
> with file systems are replacement for backups may be for some nasty
> surprises.
> BTW - ext3 in its default, "ordered writes", mode practically
> prevents accidents with a messed up content of files.  You may loose
> latest updates on a journal replay but things should be sane.  In its
> "fast" mode it behaves in this respect like reiserfs.  It also has
> "full journal" mode which is expected to maintain a complete
> integrity of data for a price of a drop in a performance and a bigger
> journal.
> You would need updated e2fsprogs (the latest one from updates to
> RH 7.1, i.e. e2fsprogs-1.23-1.7.1, should be ok and just recompile
> if you have different libraries) and a kernel with a support for it
> if you want to experiment with ext3.  A big attraction is that you
> can convert ext2 filesystem to ext3, and back, without redoing the
> whole filesystem from scratch.  Just use 'tune2fs'.  Also booting
> an older kernel without ext3 support will simply mount even converted
> filesystem as ext2 type and will not use journal (but I would think
> that in an event of an unclean shutdown when you had it mounted as
> ext2 replaying journal on the next boot would be not a good idea :-).
>   Michal
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James D. Freels, P.E._i, Ph.D.
Oak Ridge National Laboratory
freelsjd@ornl.gov - work
jdfreels@home.com - home

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