On Thu, 2008-08-07 at 15:03 -0400, Tim Mattox wrote:
> I think a better approach than using NFS-root or LiveCDs is to use Perceus in
> this situation, since it has been developed over many years to handle this
> sort of thing (diskless/stateless beowulf clusters):
> It leverages PXE booting so all you need to do on a per-node basis is enable
> PXE booting in the BIOS. The primary limitation I see would be if your
> windows machines are set up to use DHCP to get their IP addresses from
> some server that is outside your control, since Perceus would need to take
> over DHCP services to do its magic.
> On Wed, Aug 6, 2008 at 6:05 PM, Adam C Powell IV <email@example.com
> > On Tue, 2008-08-05 at 17:01 -0500, Ben Payne wrote:
> >> Hello. I am not sure if this is the correct list to ask this
> >> question, so if you know of a more appropriate one please let me know.
> >> I think am looking for a LiveCD that supports MPI, specifically one
> >> that has mpif90 built in, and can easily mount external (USB) drives
> >> for storing data.
> >> I have access to 40 Windows computers in a lab that rarely gets used.
> >> I would like to use the computers to run a cluster during the
> >> weekends, but be able to not mess with the Windows installation that
> >> exists on the hard drive. Because of this, I think a LiveCD would be
> >> good, and one that supports PXE booting is even better. If there is a
> >> better way to do this (run MPI, not disrupt Windows) please let me
> >> know.
> > The easiest way to do what you want is probably to netboot from a server
> > on the subnet with NFS-root. That way you don't need to make a bunch of
> > new CDs to upgrade a single piece of software. Just upgrade/modify the
> > environment on the server, and everybody else upgrades instantly.
> > Turn on the server and reboot the machines, and you're in Linux with
> > MPI. Disable PXE at the server and reboot and you're back in Windows.
> > LTSP has some tools to do this, as does the Debian package lessdisks.
> > The basic principle is in http://wiki.debian.org/DebianLive
> > http://wiki.debian.org/DebianEdu/HowTo/LtspDisklessWorkstation
> > old diskless package did this beautifully, but bitrotted and is
> > deprecated due to lack of maintenance.
> > -Adam
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