Date: Wed, 19 Mar 2008 14:03:54 -0400 From: Chuck Robey <chuckr@chuckr.org> To: Jeremy Chadwick <koitsu@freebsd.org> Cc: FreeBSD-Hackers <freebsd-hackers@freebsd.org> Subject: Re: remote operation or admin Message-ID: <47E1558A.2030107@chuckr.org> In-Reply-To: <20080319172213.GA28075@eos.sc1.parodius.com> References: <47DF1045.6050202@chuckr.org> <20080318082816.GA74218@eos.sc1.parodius.com> <47E146F9.5060105@chuckr.org> <20080319172213.GA28075@eos.sc1.parodius.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jeremy Chadwick wrote: > On Wed, Mar 19, 2008 at 01:01:45PM -0400, Chuck Robey wrote: >> What is most important in my considerations are, how might it to possible >> to stretch our present smp software to be able to extend the management >> domains to cover multiple computers? Some sort of a bridge here, because >> there is no software today (that I'm awarae of, and that sure leaves a huge >> set of holes) that lets you manage the cores as separate computers) so that >> maybe today I might be able to have an 8 or 10 core system, and maybe >> tomorrow look at the economic and software possibility of having a 256 core >> system. I figure that there would need to be some tight reins on latency, >> and you would want some BIGTIME comm links, I dunno, maybe not be able to >> use even Gigabit ethernet, maybe needing some sort of scsi bus linkage, >> something on that scale? Or, is Fiber getting to that range yet? >> >> Anyhow, is it even remotely posible for us to be able to strech our present >> SMP software (even with it's limitation on word size to limit the range to >> 32 processors) to be able to jump across machines? That would be one hell >> of a huge thing to consider, now wouldn't it? > > Ahh, you're talking about parallel computing, "clustering", or "grid > computing". The Linux folks often refer to an implementation called > Beowulf: > > http://en.wikipedia.org/wiki/Beowulf_%28computing%29 > > I was also able to find these, more specific to the BSDs: > > http://www.freebsd.org/advocacy/myths.html#clustering > http://lists.freebsd.org/pipermail/freebsd-cluster/2006-June/000292.html > http://people.freebsd.org/~brooks/papers/bsdcon2003/fbsdcluster/ > Well, I am, and I'm not, if you could answer me one quiestion, then I would probably know for sure. What is the difference between our SMP and the general idea of clustering, as typified by Beowulf? I was under the impression I was talking about seeing the possibility of moving the two closer together, but maybe I'm confused in the meanings? -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFH4VWKz62J6PPcoOkRAtxnAJoDKlh4EgbL17TLUuH3gEDCwt4u9ACePFGh dWFantC9QyS5g9FJh80wXNI= =viHY -----END PGP SIGNATURE-----
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