[Beowulf] Pi calculator/RAID accross all nodes/Mosix vs. OpenMosix

Ryan Sweet rsweet at aoes.com
Mon Feb 28 05:01:29 EST 2005


>>
>> 3. What is the difference between Mosix(www.mosix.org) and
>> openMosix(www.openmosix.org)?
>
> I don't know, don't use Mosix.  But somebody on list probably does.

MOSIX started in the '70s, on PDP11.  It was ported to linux in the '90s.  It 
is a system for allowing a (pseudo)cluster-wide process id space and 
cluster-wide load balancing via process migration.  OpenMOSIX is a 
fork/re-write of MOSIX that was started a few years ago due to disagreements 
about the MOSIX license (which is not Open Source).  OpenMOSIX is released 
under the GPL, and has a much larger developer and user community than MOSIX.

If you are interested in single-system-image clustering maybe also checkout 
bproc http://sourceforge.net/projects/bproc (note - see scyld for a complete 
bproc solution)
or 
OpenSSI http://www.openssi.org
and
(definitely more experimental than the above, but promising) Kerrighed 
http://www.kerrighed.org/

SSI clusters are certainly interesting, but if you are new to clustering 
you may want to get your feet wet with a more traditional model first, so that 
you have a good reference point when reviewing and weighing options for SSI.

regards,
-Ryan

-- 
Ryan Sweet             <ryan.sweet at aoes.com>
Advanced Operations and Engineering Services
AOES Group BV            http://www.aoes.com
Phone +31(0)71 5795521  Fax +31(0)71572 1277

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