On Wed, 2010-04-07 at 15:59 +0200, Rainer Traut wrote:
> Am 07.04.2010 09:46, schrieb Karsten Weiss:
> > XFS has its problems on RHEL, too. See e.g.
> > http://www.bofh-hunter.com/2009/09/04/rhel-5-4-and-xfs/
> >
> 
> You refer to a bug in ext4 in el5 but I see no bug in the xfs 
> implementation.
> So you compare apples and oranges.

Yep, I noticed that as well.  The only real "problem" with XFS seems to
be that Redhat doesn't package xfsprogs, even though they suggest using
XFS for >16TB filesystems in the 5.4 release notes.  The tools were easy
enough to find for CentOS so I'll give XFS a try.  I'll also contact my
Redhat rep and see if he can provide an answer as to what "layered
product" includes the XFS tools.

It's disappointing to find that ext4 has the ability to support what I
want, but not the tools to get there and it appears that these tools
don't exist yet anywhere except maybe an unstable git tree.  There are
comments from maintainers from more than a year ago that updating
e2fsprogs is "one of the last remaining tasks" but apparently that task
is much more difficult than anticipated.  We've been very happy with
ext4 in our testing but this is certainly a showstopper for it in this
particular use case.

Thanks for all the feedback,
Tom


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