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Large Files on IA32

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Roger L. Smith roger at ERC.MsState.Edu
Fri Jul 27 11:10:07 PDT 2001


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.

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| Roger L. Smith            Phone:662-325-3625      roger at ERC.MsState.Edu |
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