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Date: Thu, 26 Jun 2008 10:10:52 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Brian Stark" <brian.stark@onstor.com>
Cc: "Rendell Fong" <rendell.fong@onstor.com>
Subject: Re: Cluster in a box reset
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We can reuse the old system reset command which is gut-able because it
was cheetah specific.  _system reset -s_ or something.

On Wed, 25 Jun 2008 21:14:32 -0700 "Brian Stark"
<brian.stark@onstor.com> wrote:

> Guys,
> 
> I've been asked by several folks about rebooting one motherboard from
> another in the cluster in a box chassis.  This would help reboot a
> board that is wedged for some reason, which has been seen before on
> Bobcat.
> 
> There are signals running across the midplane between the BM-FPGA on
> each board that can be used for this.  I've put a little state machine
> into the BM-FPGA that will put the other board into reset by writing a
> bit.  The other board will then boot when this bit is cleared.  The
> code to handle this would be pretty simple:
> 
> - Set bit in GPP register in BM-FPGA
> - Delay for 1 sec
> - Clear bit in GPP register in BM-FPGA
> 
> We would need to build this into a command, presumably at the 'system'
> level.  It could be a new command or it could be a new option on the
> 'system reboot' command.  Also, I would advocate that the command is
> only exposed at the root level.  It's not necessarily something we
> document or advertise, but Customer Support would be able to use it if
> needed.
> 
> Let me know what you think.
> 
> 
> Brian
> 
