Large Files on IA32

W Bauske wsb at paralleldata.com
Sat Jul 28 16:03:07 EDT 2001


NFS V2 will not work with above 2GB files. NFS V3 will.

Wes

Ron Chen wrote:
> 
> Just want to remind everyone. NFS may have problems
> with large files. (I forget the details)
> 
> -Ron
> 
> --- "Roger L. Smith" <roger at ERC.MsState.Edu> wrote:
> > On Fri, 27 Jul 2001, Brian Macy wrote:
> >
> > >
> > > We have been trying to get support for large files
> > (>2GB) working on
> > > our PentiumIII cluster running under RedHat 6.2
> > with a 2.2.x
> > > kernel.  In particular, most of our parallel
> > programs are MPI
> > > programs and use MPI-IO (ROMIO) to do parallel
> > I/O.  I'm interested
> > > if other people have had success with such a set
> > up, and whether
> > > they'd be interested in sharing experiences.
> >
> > I have created files over 70GB in size on an xfs
> > logical volume under
> > RedHat 7.1.  This doesn't really help you much with
> > 6.2 or the 2.2 kernel,
> > I know, but I thought it was worth mentioning.
> > We've been using xfs on
> > our head node in production for several months
> > (under quite heavy loads),
> > and haven't had any real problems with it.
> >
> >
> >
> _\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_\|/_
> > | Roger L. Smith            Phone:662-325-3625
> > roger at ERC.MsState.Edu |
> > | Systems Administrator     FAX:  662-325-7692
> > WWW.ERC.MsState.Edu/~roger |
> >
> |-------------------------------------------------------------------------|
> > |         Mississippi State University/National
> > Science Foundation        |
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> >
> >
> >
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