[Bioclusters] How do people deal with temperature excursions (A/C failures)?

elijah wright elw at stderr.org
Sun Mar 13 21:03:59 EST 2005

> Our lab has a homebrew ROCKS cluster in small computer room that relies 
> on a single air conditioner. My experience has been that the poweroff(8) 
> command can't be trusted, so you often end up having to turn off the 
> power manually.  We had hardware damage when the A/C tripped the circuit 
> breaker recently.  Now we want to add another cluster and a file server 
> so I'm anxious to have a reliable way to shut systems down when they get 
> too warm.  How do other labs deal with this problem?

APC et al will sell you remote-controlled power distribution units (with 
ethernet port plus individually controllable circuits).

pretty easy to find on their site, once you know that they exist.

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