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Re: [SPAM] Re: XFS, EXT3 or some other?



On Wednesday 21 June 2006 16:19, Giacomo Mulas wrote:
> On Wed, 21 Jun 2006, Lennart Sorensen wrote:
> > Of course it is quite likely reiserfs has gotten more stable in the
> > couple of years since I stopped using it.  I just don't think it has any
> > features that make me interested in trying it again.  Liek really, what
> > features does reiserfs have that I could possibly want that ext3 doesn't
> > have?
>
> Well, in Francesco's case, since he apparently already set up everything
> with reiserfs, you should ask the opposite question: what does ext3 offer
> that he doesn't have with the _current_ version of reiserfs? I haven't got
> such a huge experience, but I had a few hardware failures on disks with
> reiserfs, relatively recently, and the recovery tools performed quite well:
> I only lost those data which had something to do with the damaged blocks,
> all the rest was salvaged. So, in my personal book, the overwhelmingly
> large majority of data losses were invariably due to hardware failures, and
> I did not see any correlation between data losses and using reiserfs vs.
> ext3. My recent personal statistics count ~10 broken hard disks over many
> computers in the past 2 years. My only personal gripe with reiserfs is that
> it takes a long time to mount large filesystems, but I do not mount/umount
> big filesystems so frequently. If I were in Francesco's shoes, unless I had
> other reasons for redoing everything, I would keep the working filesystem,
> be it reiserfs or ext3, and start using his new system for quantum
> chemistry, which I understand is what he wants to get to...

I did that in the last couple of days. With mpqc set for the four nodes, a 
large molecule at BFT with a 485 base set, was done in four hours vs 1 month 
with my previous non-parallel computing package. Not bad.

francesco
>
> Just my 2¢...
>
> Giacomo
>
> --
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> Giacomo Mulas <gmulas@ca.astro.it>
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