Re: OpenMosix 2.6 Userland development

after asking on the chatroom, i am currently upgrading from 2.6.12(gentoo's
newest openmosix kernel) to a 2.6.16 openmosix kernel. I hope this works.

On 6/20/06, Travis Athougies <[email protected]> wrote:
>
> thanks for all the replies
>
> i am having a problem with migrating processes manually right now. i
> started nano and tried to migrate it. the stay file is empty. i echoed "192.168.0.205
> "(my other nodes ip) into the where file but the where file still says
> "home".
>
> Is this happening to me because the two different nodes where compiled
> with different cpu types.(Celeron[coppermine] and Celeron[pre-coppermine])??
>
>
> On 6/20/06, Niels de Vos <[email protected]> wrote:
>
> > Hi Travis and others,
>
> for some months I've started with 'om-nixus'. Unfortunately this became
> too complex and unmaintainable... As replacement I've simplified my
> tries and wrote some other python code. It is a complete different
> approach compared with the official userspace-tools from David Santo
> Orcero and Jose María Gómez - not related at all.
>
> My daemons are just some fun with Python while trying to develop
> something useful the same time. I've always liked openMosix and hope to
> use/help it in the future.
>
> For now I'm unable to test anything on a real cluster. Development takes
> place on my 5 year old laptop which is not that capable of running
> virtual machines. Ofcourse running an om-kernel, which is not a problem.
> It is difficult to test the daemons, my random-migration lets some
> processes crash. On the other hand, it also not the latest om-kernel
> which should have most important bugfixes.
>
> Anyway I hope you (or someone else) could test my efford and give some
> feedback... Again, they're not related to the official openMosix
> project.
>
> If you have any questions, don't hesitate to mail me. I rarely have time
> to implement more features, but replies on mail should be possible.
>
> Hope it helps you a bit, thanks,
> Niels de Vos
>
> [ Sources in SVN, see bottom of this mail ]
>
> --- from the README ---
>
> Design:
> One master node/process which controls process migration to other
> nodes. 'omd' is the main daemon, 'omd-dumb' is run on the nodes for
> sending StatusMsg and accepting/denying process migration.
>
> 'omd' asks a 'omd-dumb' to accept a process migration. The
> MigrationRequest contains /proc/<pid>/stat in a dict(). This
> MigrationRequest gets checked by 'omd-dumb' and a MigrationReply is
> sent back to 'omd'. When the MigrationReply.accept=True, 'omd'
> starts migrating the process.
>
> When a new node (omd-dumb) joins the cluster, it sends StatusMsg-s.
> The first StatusMsg is replied (by omd) with an InfoRequest. A
> InfoReply is sent by the new node, which contains /proc/cpuinfo and
> /proc/meminfo. The received information is stored by omd and can be
> used by the Scheduler.
>
> Parameters for omd and omd-dumb:
> -v, --verbose: enable complete logging (logging.DEBUG)
> -l, --listen=: listen on this IP-address
>
> Status (as of $LastChangedDate: 2006-06-17 21:41:19 +0200 (Sat, 17 Jun
> 2006) $):
> o omd-dumb sends StatusMsg, omd adds/overwrites them in a dict
> o negotiation of process migration implemented
> o Scheduler with Simple Random Algorithm (rsched.py)
> o Scheduler contains a blacklist for stayreasons
>
>
> Todo (in no particular order):
> o libomd.omCheck() with version/compatibility checking
> o format loggers nicer (show at least the name of the logger)
> o implement a smarter scheduler(s)
> o command option for scheduler selection
> o combine omd.py and omd-dumb.py into one process? Multi-Master
> o use StatusMsg.timestamp to detect dead nodes - a new thread?
> o check IPv6 support (depends main/only on Python?)
>
>
> Implemented values for logging.getLogger():
> o migration
> o scheduler
> o omd
> o libomd
> o msg
>
>
>
> --- Get the sources ---
> svn co
> http://nixbox.nixpanic.net/repos/dev/om-userspace/trunk/simplified
>
>
>
> -----BEGIN PGP SIGNATURE-----
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>
> iD8DBQBEl+hLUHyL+FAJ7UYRAkiSAJ0bpSvMh3fZ+g/V9A3VHZ1slvwY9QCg+UtU
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> =hJFG
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>
>
>
>
>
> --
> From: Travis Athougies
> 2 + 2 = 4
>



-- 
From: Travis Athougies
2 + 2 = 4

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