From: David Leimbach <leimy2k@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] latest minicluster: ARM fun
Date: Tue, 30 Nov 2010 11:02:24 -0800 [thread overview]
Message-ID: <AANLkTi=A8=+f005iBX2iJcCc=PvXN+BTxbrdTOCV__7M@mail.gmail.com> (raw)
In-Reply-To: <AANLkTi=nNg=LVzV+Fms9CAfTcAHD_g5GD6GL=9XfvudN@mail.gmail.com>
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I think Mitch visited us (MPI Softtech) in Starkville Mississippi, some
years ago, telling me about Plan 9 and FreeBSD stuff he was doing.
On Tue, Nov 30, 2010 at 9:56 AM, ron minnich <rminnich@gmail.com> wrote:
> Here is our latest minicluster design.
>
> We used the gumstix stagecoach.
>
> It's nice, 196 Ovaros in a box. We had a number of failed attempts on
> an enclosure design:
>
> http://picasaweb.google.com/rminnich/Strongbox?authkey=Gv1sRgCI6PwZXM57iZ8gE#
>
> That was my first design, it was really quite compact and fun, and it
> was a huge pain to assemble. It hit the basic high points however: 7
> nodes per stagecoach, 7 stagecoaches per shelf, a switch per shelf
> that reduced the outgoing enet cables to one. Power was a huge issue;
> 5V 80A per shelf, which was not fun. 10 GA wires never are.
>
> I know at least some people on this list know Mitch Williams. He came
> up with this:
>
> http://picasaweb.google.com/rminnich/StrongboxAtSC10?authkey=Gv1sRgCJbWpcfci73HxwE#
> It's quite elegant: self-contained shelves, with power supply,
> Rigrunner for fuses,
> continues the use of an 8-port switch per shelf, so each shelf has one
> 120V power cable and one enet cable coming out.
>
> Plan 9 is in the works. This is a nice test and development platform
> for software. We're going to make the design available in a way that
> people can easily build their own.
>
> ron
>
>
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next prev parent reply other threads:[~2010-11-30 19:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-30 17:56 ron minnich
2010-11-30 19:02 ` David Leimbach [this message]
2010-12-01 9:46 ` Mathieu Lonjaret
2010-12-01 14:36 ` Richard Miller
2010-12-01 19:32 ` Skip Tavakkolian
2010-12-01 19:39 ` ron minnich
2010-12-01 21:18 ` Skip Tavakkolian
2010-12-01 21:01 ` Steve Simon
2010-12-02 2:55 ` Lucio De Re
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