[ale] Ext4 adoption anyone?

[Dennis Ruzeski]

Here's a nice nugget from Slashdot-- Fedora 11 is using it as the default-
http://linux.slashdot.org/article.pl?sid=09/01/23/1341237



On Fri, Jan 23, 2009 at 10:14 AM, Jim Kinney <jim.kinney at gmail.com> wrote:

> Adding to this: Recent XFS seems to have destabilised somehow. Unless
> you need single file sizes of  4+GB (i.e. pushing digital video files
> around), XFS is not a good idea.
>
> JFS actually won a filesystem test in the past year or so for overall
> usefulness, speed and reliability. It is a good general purpose
> filesystem with a solid journalling system.
>
> EXT3 is quite stable except for a few, odd corner cases. The inability
> to recover data inodes from a file deletion is perceived as a bad
> thing.
>
> IF (!!) ZFS ever become available as a GPL addition to the kernel, we
> will see some useful things happen in filesystems.  ZFS in Solaris is
> pretty rock-solid.
>
> FUSE adds it's own layer of 'funk' to the mix. My experience has been
> that fuse is mostly reliable. But an unravelling fuse stream can
> destabalise mount-point end of the fuse'ed system. The source end
> seems to be unaffected. Half-mounted, locked, unable to remount or
> remove when it fizzles from 2.6.26 through 2.6.28. I have not decided
> if the issue is with fuse or with the stupid gui mounting tools from
> gnome (I'd put my money on gnome hosing something first!). Of course
> it's not reliably repeatable breakage either.
>
> 2009/1/23 Michael B. Trausch <mike at trausch.us>:
> > On Fri, 23 Jan 2009 09:04:39 -0500
> > Jeff Hubbs <hbbs at comcast.net> wrote:
> >
> >> These newer filesystems, including the ones used through FUSE - are
> >> any of them considered as reliable as ext3, jfs, xfs?
> >
> > I'd imagine that would depend on who you ask.  I've had so-called
> > stable filesystems totally nuke my data, and filesystems in
> > development that never so much as sneezed for me.
> >
> > I trust ext4 because of its common code with ext3.  And in fact, ext4
> > exposed ext3 to new eyes because there are neophytes out there, and
> > bugs were found in ext4 that were inherited from ext3 and then were
> > fixed in both.  I trust XFS less than I trust FAT32 because I have
> > never had a filesystem nuke my data as completely and efficiently as it
> > did back in 2.6.25 days.  I still see people reporting major bugs
> > (data loss ranging from small to extreme) in XFS to the kernel mailing
> > list, and I personally wouldn't touch it with a ten foot pole.
> >
> > Looking at my LKML folder today, I see 22 emails on problems with XFS,
> > compared to 6 for ext4.  Ted Tso jumped on that thread immediately (the
> > ext4 problem, which reported ENOSPC with ~500 MB left on the
> > filesystem); turns out the problem is that the user is unable to use
> > the very last 1% of their root filesystem, and it's being worked on
> > now.
> >
> > I see nothing on JFS; that could mean that there is nobody using that
> > filesystem or that it is virtually bug-free.  Don't know which.  I also
> > see nothing for vfat, and 7 messages in 4 threads for btrfs, though
> > that is probably because only a few people are attempting to use btrfs
> > at this point.
> >
> > As far as FUSE filesystems go, I haven't used many.  But I do know that
> > of the ones I have used (sshfs, WikipediaFS, NTFS-3G, and Captive NTFS)
> > I have never had any problems with the FUSE driver itself.  In the case
> > of sshfs, the only problem that I have ever had was with the remote
> > host dropping the connection after a timeout, which is easily fixed by
> > keeping the filesystem active or by just remounting the filesystem.  I
> > would like to play more with FUSE since the variety of file systems
> > available there is kind of impressive.  The idea of being able to mount
> > just about anything is kind of nice, and being in userspace, there may
> > be lossage, but there won't be kernel crashes, and that's a big plus.
> > That said, I haven't played enough with any single FUSE filesystem in
> > order to be able to make any substantial positive claims on it, but it
> > hasn't broke yet for me.
> >
> >        --- Mike
> >
> > --
> > My sigfile ran away and is on hiatus.
> > http://www.trausch.us/
> >
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> >
> >
>
>
>
> --
> --
> James P. Kinney III
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