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Date: Thu, 8 Mar 2001 09:48:39 -0700 (MST)
From: james rich <james.rich@m.cc.utah.edu>
To: Jesse Pollard <pollard@tomcat.admin.navo.hpc.mil>
cc: Tom Sightler <ttsig@tuxyturvy.com>, linux-kernel@vger.kernel.org
Subject: Re: Questions about Enterprise Storage with Linux
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On Thu, 8 Mar 2001, Jesse Pollard wrote:

> james rich <james.rich@m.cc.utah.edu>:
> > On Wed, 7 Mar 2001, Tom Sightler wrote:
> > 
> > > 2.  Does linux have any problems with large (500GB+) NFS exports, how about
> > > large files over NFS?
> > > 
> > > 3.  What filesystem would be best for such large volumes?  We currently use
> > > reirserfs on our internal system, but they generally have filesystems in the
> > > 18-30GB ranges and we're talking about potentially 10-20x that.  Should we
> > > look at JFS/XFS or others?
> > 
> > I think that for filesystems this size you definately want to look at XFS
> > of JFS.  Maybe you will decide not to use them - but you should test them.
> > 
> > I am currently using XFS and it really works.  It currently has some
> > issues when used with raid 1, but it is probably the most suited for what
> > you want.  Exporting an XFS volume over NFS is no problem.  You can also
> > use xfs_growfs to change the size of your XFS partition.  I haven't had
> > any instability during all the time I've used XFS.
> 
> The biggest difficulty I had with XFS (not on linux as a server) had
> more to do with NFS/XFS performance. The SGI clients worked fine while
> the Linux clients were about 10-20% slower. This was a year ago so this
> may not apply anymore. I haven't seen any Linux NFS benchmarks recently.

Recent changes in CVS appear to have resolved this issue.

James Rich
james.rich@m.cc.utah.edu

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