any good UPS for a Fedora server

[Stefano Cavallari]

On Wednesday 14 November 2007 06:14:59 Kevin J. Cummings wrote:
> Ali, Saqib wrote:
> > I am looking for a UPS for a single Fedora server for a non-profit
> > org. Only one machine (HP DL360 G4) will be connected to the UPS. We
> > need about 2 hrs of run-time, with automatic shutdown capability, and
> > restart when the power comes back.
> >
> > Any good APC UPS that has rpm for Fedora?
>
> APC has an apcupsd RPM for their UPSes.  Its readily available.
> Otherwise, there is the generic nut RPM that can be configured for a
> number of other UPSes without much difficulty.  The 2 hours of runtime
> is where you are going to have trouble.  You're going to need a massive
> UPS to provide that kind of power to a desktop system.  However, my
> laptop battery has that kind of power on a laptop system. My  
> motherboard in my desktop system is configurable to return to the
> previous state it was in upon power restoration, so I don't think its a
> function of th UPS driver to do that.
You need a UPS which waits to be charged at some level before starting to give 
power again. Else if multiple power outages happens it gets messy.
I *think* most UPS can do that, but it's better to check the ups/driver 
documentation first. 
>
> YMMV.
>
> With my PC/monitor/cable modem plugged into my APC RS 1000 it claims to
> have about 31 minutes of backup time.  You'll obviously need a bigger
> model to get to 2 hours of runtime.
>
> --
> Kevin J. Cummings
> kjchome at rcn.com
> cummings at kjchome.homeip.net
> cummings at kjc386.framingham.ma.us
> Registered Linux User #1232 (http://counter.li.org)



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