[nmglug] openmosix cluster update

[Tim Emerick]

Glad to hear you've gotten your openmosix cluster up and running.  I
remembered you asking about openmosix a couple of months back which had
gotten me thinking of clustering these P2's together.

How did you end up doing it?  Did you just install sarge on each machine?  I
attempted to recompile the kernel using the debian instructions from the site
but my version of the Sarge install came with 2.4.27 which didn't have the
patch yet (although the latest Knoppixcluster was using a patched 2.4.27
kernel).

I was looking at the instant cluster CD's on the openmosix.org website.  I
liked the clusterknoppix approach but for some reason knoppix won't boot up
on these machines...go figure.  ClusterKnoppix also was designed with the
cluster on it's own lan (via 2 nic's) which includes it's own DCHP server and
PXE boot images.  All in all a fairly impressive drop in place package.

I also liked the CHAOS floppy boot approach.  I might burn the floppy image
onto CD's for the slave nodes and disconnect the hard drives.  Use a full
blown cluster patched debian kernel for the master machine.

btw, if I didn't mention before, I'm looking to use my 8 P2-400's to sit in
the garage and crunch BOINC projects (SETI & Predictor).  I've been
vacillating between running as a cluster or just running them separately on
each machine.  There appears to be much information on how to set up seti to
run efficiently on openmosix but with the open mosix approach you really
don't need to do anything to the application to have it run on openmosix.

I would be interested to hear how you pieced your cluster together.

Tim Emerick

--- bill york <iago at pobox.com> wrote:
> success
> 
> (sorry to interrupt the joviality re: power)
> 
> my problem was not knowing how to use initrd. seems that sata drives 
> appear as scsi drives and need a ramdisk to load the fs on the drive. i 
> pussied out and (this is an advantage of having a lot of spare computers 
> around) used machines with ide drives instead.
> 
> patched the kernel. recompiled -- the default sarge installation is 
> gratefully 2.4.26, the same as the latest mosix kernel patch. i could 
> use the config file from /boot! packaged the new kernel, copied it to 
> all nodes, installed openmosix with apt and /presto chango/.
> 
> thanks everyone for your help! now if i can just find a use for this 
> cluster....
> 
> W
> 
> 
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