[clue-tech] Anyone know of a good affordable linux compatible ups?

[Hex Star]

On 6/5/06, Jack Parker <jack.parker4 at verizon.net> wrote:
>
>  We used an APC with excellent results.  The biggest issue we had was
> where the UPS had a serial line instead of a USB.  Never did figure that
> out, other things got in the way, and the company folded before I got a
> chance to.  But the USB version of the UPS worked great.  The key was
> apcupsd ( http://www.apcupsd.org/ ) - a daemon which took care of it all.
> Did a nice job of seeing the power failure, waiting until there was so much
> time left, and then shutting down.  We had multiple servers on each UPS, one
> of the nice features of apcupsd was it's ability to talk to it's master -
> the server which was actually talking to the UPS.  So all servers would shut
> down cleanly.
>
> What was hilarious was the day we were testing and got the first server
> and slave (client) running properly was the day the power went out.  The two
> boxes we were testing with behaved beautifully, everything else had to be
> shut down manually.
>
> We also had a bunch of Belkins, the IT guy filled those up, not noticing
> that there were 3 surge protected ports and three battery backed up ports.
> Guess which ports he plugged the servers into and which ones he plugged the
> monitors into... ;-).  I was not as happy with those.
>
> Always a good idea to have a monitor plugged into the UPS as well.
> Especially one which can get to all of the boxes nearby, just in case.
>
> With all UPS's you need to be aware of battery life - after two years (or
> so) you want to replace the battery.
>
> Be wary of the advertised 'uptime' of any UPS and what actually happens.
> They may offer 15 minutes, but with 2-3 servers plugged into it, that turns
> into 90 seconds real fast.  You will want to test how long you actually get
> and adjust the apcupsd settings accordingly.  We saw servers shutdown within
> the first 5 minutes generally - but then that's why you have this thing - so
> you get a clean shutdown.
>
> j.
>
>
> -----Original Message-----
> *From:* clue-tech-bounces at cluedenver.org [mailto:
> clue-tech-bounces at cluedenver.org]*On Behalf Of *Hex Star
> *Sent:* Tuesday, June 06, 2006 12:10 AM
> *To:* clue-tech at cluedenver.org
> *Subject:* [clue-tech] Anyone know of a good affordable linux compatible
> ups?
>
> Hi, I am looking for a linux compatible UPS...basically one that will in
> the presence of loss power, will be able to let the server shutdown
> cleanly...the server has 3 power supplies, each at 550 watts so I think it
> constantly uses a total of 1650 watts (it's a HP NetServer LH3R)...would
> like a affordable yet reliable UPS...anyone got any recommendations? Thanks!
> :-)
>
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> Thanks for the reply...but is there any specific model you'd recommend
> perhaps? Thanks! :-)
>
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