[7370] in testers
Re: linux shutdown hang
daemon@ATHENA.MIT.EDU (Zev Benjamin)
Fri Sep 16 14:52:59 2005
Message-ID: <432B1485.4040106@mit.edu>
Date: Fri, 16 Sep 2005 14:52:53 -0400
From: Zev Benjamin <zev@MIT.EDU>
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To: Jacob Morzinski <jmorzins@mit.edu>
CC: testers@mit.edu
In-Reply-To: <w6mk6hgaltc.fsf@kamp-krusty.mit.edu>
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I do not know if this is the case on these particular HPs, but some
computers have an option in the BIOS to set what to do when power is
regained after an outage.
Zev
Jacob Morzinski wrote:
> (Jonathon Weiss) writes:
>
>>Just FTR this seems to be a moderately common problem. I power-cycled
>>4 or 5 machine with this problem in the w20 cluster today, and saw it
>>on SIPBs GX280 (cj) earlier this week.
>
>
> FWIW, I also power-cycled about a half-dozen w20 linux machine
> with that problem, last weekend (Sunday Sep 9).
>
>
>
> While power-cycling, I noticed another issue, that will affect us
> if we ever have a large power outage: the HP (linux) machines
> don't power back up, if they lose power.
>
> I tried pulling machine's power cords and plugging cords back in
> to reboot the machines. They didn't power up when the cord was
> plugged back in. From this, I conclude that someone will have to
> walk through clusters turning machines back on, if we ever have a
> power outage.
>
>
> -Jacob
