you can try Scientific Linux 5.x,it plus XFS and some other soft for HPC based on CentOS.
It had XFS for years
--- On Wed, 6/2/10, Alan Hodgson <ahodgson@simkin.ca> wrote:
> From: Alan Hodgson <ahodgson@simkin.ca>
> Subject: Re: [PERFORM] File system choice for Red Hat systems
> To: pgsql-performance@postgresql.org
> Date: Wednesday, June 2, 2010, 10:53 PM
> On Tuesday 01 June 2010, Mark
> Kirkwood <mark.kirkwood@catalyst.net.nz>
>
> wrote:
> > I'm helping set up a Red Hat 5.5 system for Postgres.
> I was going to
> > recommend xfs for the filesystem - however it seems
> that xfs is
> > supported as a technology preview "layered product"
> for 5.5. This
> > apparently means that the xfs tools are only available
> via special
> > channels.
> >
> > What are Red Hat using people choosing for a good
> performing filesystem?
> >
>
> I've run PostgreSQL on XFS on CentOS for years. It works
> well. Make sure you
> have a good battery-backed RAID controller under it (true
> for all
> filesystems).
>
> --
> "No animals were harmed in the recording of this episode.
> We tried but that
> damn monkey was just too fast."
>
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