Re: [cobalt-users] Cobalt Raq's and UPS.

[Bruce Timberlake <bruce.timberlake@xxxxxxx>]

> > I was looking through the data sheets for Raq3i, Raq4i & Raq4r 
> > and it states UPS support (which I presume is Uninterruptible 
> > Power source/supply) 

Yes, you are correct.

> > looking through the knowledge base I cant find any reference 
> > on how to set it up.

I have sent a request for that to be added to the KB. Thanks for the
feedback.

> > Has anyone connected a ups to a Raq ? if so how ? (and I 
> > don't mean connect the RS232 cable :-) )

That's all there is to it - plug the RaQ into the UPS, and connect the
serial cable from the UPS to the 2nd serial port on the RaQ.  Then
install the UPS software (it did come with some, right?) on the RaQ.
Voila.

> > More specifically how do you force the Raq to shut down when 
> > the supply is minutes away from discharge ? is it script based?
> > does it have this script already buried away somewhere in the box?
> 
> I think it is another one of those cobalt features we bought, and 
> does not work. I never could get mine to work

Generally, a UPS (APC specifically that I know of) will come with
software (PowerChute?) that loads on the server and talks to the UPS via
serial cable (thus the 2nd serial port on the RaQs).  That 3rd party
software from the UPS manufacturer is what actually handles the server
shutdown, etc.  The Cobalt UPS only allows a "master" RaQ (connected to
a UPS) to tell other "slave" RaQs on the network that the master is on
battery power. You would probably have to write your own shutdown
"handler" on those "slave" units...

Otherwise, you'd have to get some sort of battery charge monitoring
script to work across the serial connection (would probably vary vendor
to vendor, thus the lack of inclusion of a set way to do it from us),
and initiate a "shutdown -h now" if the battery is below your threshold
charge level...

--
Bruce Timberlake, Sun Cobalt Technology Engineer
Email: bruce.timberlake@xxxxxxx