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SubjectRe: XFS?


On Fri, 13 Sep 2002, Nero wrote:

> Ivan Ivanov wrote:
> > I think that you missed the main problem with all this new "great"
> > filesystems. And the main problem is potential data loss in case of a
> > crash. Only ext3 supports ordered or journal data mode.
> >
> > XFS and JFS are designed for large multiprocessor machines powered by UPS
> > etc., where the risk of power fail, or some kind of tecnical problem is
> > veri low.
> >
> > On the other side Linux works in much "risky" environment - old
> > machines, assembled from "yellow" parts, unstable power suply and so on.
> >
> > With XFS every time when power fails while writing to file the entire file
> > is lost. The joke is that it is normal according FAQ :)
> > JFS has the same problem.
> > With ReiserFS this happens sometimes, but much much rarely. May be v4 will
> > solve this problem at all.
> >
> > The above three filesystems have problems with badblocks too.
> >
> > So the main problem is how usable is the filesystem. I mean if a company
> > spends a few tousand $ to provide a "low risky" environment, then may be
> > it will use AIX or IRIX, but not Linux.
> > And if I am running a <$1000 "server" I will never use XFS/JFS.
>
> This just is not the issue. If we only wanted filesystems which behaved
> like ext2/3, we would only have ext2/3. The issue, if you have all
> forgotten, is Linus not providing information on why XFS is a problem to
> be merged. He asked them to make it easy to merge - they have done so.
> Now they ask why the patch is ignored, and are promptly ignored further.
>

I think that it is not fair to insist for merging of XFS only. There ara
many other projects that are of bigger value for linux then iet another
filesystem - RSBAC,OpenMosix,LSM,HTree and more.
Some people like Linus, Alan, Marchelo etc. have the responsibility to
provide users with a usable, stable kernel.
And if somebody doesn't like their way of work he is free to make it's own
kernel tree.

I am not an expert, just a sysadmin, and I am testing XFS since kernel
2.4.6 ( I am writing this mail from a test machine with kernel 2.4.18
and XFS root filesystem ), and I also think that XFS is not ready for
production ( I lost some unimportant files after a crash yesterday ).

And after all do you think that such kind of presure over kernel
maintainers is the way of making free software.

--------------------
Cheers
Ivan



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