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Rolling a rack on carpet

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Mark Andrew Smith Mark at markandrewsmith.co.uk
Fri Oct 25 14:15:18 PDT 2002


I was thinking about how you switch back on, post pulling the power cord
out.  When I put mine back in they don't all start back up until you press
the little ATX on/off button on the front.  I guess it may be a BIOS thing,
but I can't find a setting that works.

I agree kickstart is ace.

Cheers,
	Mark.

-----Original Message-----
From: Dean Johnson [mailto:dtj at uberh4x0r.org]
Sent: 25 October 2002 17:00
To: Mark at markandrewsmith.co.uk
Cc: David Mathog; beowulf at beowulf.org
Subject: RE: Rolling a rack on carpet


On Fri, 2002-10-25 at 10:27, Mark Andrew Smith wrote:
> > like drive lights. Since you have the cord right there, you have no need
> > for the power switch. It was just a matter of putting led's in slot
>
> ...that is true for AT motherboards, but some nodes in my cluster use an
ATX
> motherboard and the on/off switch is on the front case.  I would imagine
> most newer pieces of kit are ATX these days.....
>

Yanking the power cord works with nearly all past and present machines.
If you are patient and willing to wait for some machines internal UPS
(our AT&T 3B20 has biga** truck batteries in the back) to run down, the
percentage goes up. Of course it isn't really the best way, but it
works. I have no problems with it because any computational nodes that
get irrepairable software type problems from such an approach just get
reinstalled with "Dean's Magic Disk" (read "aint kickstart great"). ;-)

	-Dean



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