you may be interested in creating a NFS or GFS based diskless shared root
cluster, i.e. all nodes share the same root filesystem.
http://open-sharedroot.org/documentation/rhel5-gfs-shared-root-mini-howto
http://open-sharedroot.org/documentation/nfs-sharedroot-mini-howto
http://open-sharedroot.org/documentation/the-opensharedroot-mini-howto
http://open-sharedroot.org/faq/can-i-use-yum-or-up2date-to-install-the-software
Mark
On Wednesday 06 February 2008 20:48:13 Jason wrote:
> not exactly. what are you planning on doing with these machines? Once
> they boot (which is maybe a 5 meg or so file) then the file system is
> pulled from an NFS share. You can do the entire OS and file system in
> RAM, but why? A server with 512meg of RAM will be MORE then enough
> to serve as a PXE server (to boot off the network) and an NFS server
> (for the filesystems). Smack in a 100 gig harddrive and you're golden.
>
> Scott Ehrlich wrote:
> > I'm looking at building a small cluster of disk-less 1 or 2U servers and
> > will probably use CentOS 5.
> >
> > Since these machines will not have any hard drives, what would be the
> > minimum amount of RAM I'd need? Also, if using Rocks or something
> > similar, will that help cluster the RAM together so 4 servers x 4 GB RAM
> > each = 16 GB available?
> >
> > Some applications might be CPU intensive, others might be RAM intensive,
> > so I need to play that balance, too.
> >
> > Thanks.
> >
> > Scott
> > _______________________________________________
> > CentOS mailing list
> > CentOS@xxxxxxxxxx
> > http://lists.centos.org/mailman/listinfo/centos
>
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Gruss / Regards,
Dipl.-Ing. Mark Hlawatschek
http://www.atix.de/
http://www.open-sharedroot.org/
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