* Re: [gentoo-user] Any UPS recommendations?
@ 2013-01-08 22:50 99% ` Steven Lembark
0 siblings, 0 replies; 1+ results
From: Steven Lembark @ 2013-01-08 22:50 UTC (permalink / raw
To: gentoo-user; +Cc: lembark
On Tue, 8 Jan 2013 08:01:47 -0500
"Walter Dnes" <waltdnes@waltdnes.org> wrote:
> I think my UPS is dying. Time to get a new one. It's been years,
> so there may be new tech out there I don't know about. My normal
> usage is
> * 1 LCD monitor 24"
> * 1 (sometimes 2) "desktop" PCs connected to the monitor
> * 1 ADSL router/modem
>
> What brand and VA rating would people recommend. The stuff I'm
> concerned about is he 2 or 3 times a year I get power flickers, or a
> short outage. And also, if power is out for more than 5 minutes, and
> the battery is running low, I want the PC to be able to sense that and
> execute /usr/sbin/hibernate
I've had good luck with Refurbished UPS
<http://www.refurbups.com>. They rebuild
APC units, have decent prices with full
warranty.
Short of a full outage, a line conditioner
works equall well (APC makes several good
dones, 1250VA being more than enough for
most PC's).
After that you can get a "Smart UPS", which
is basically a line conditioner and a battery
in one box. This solves your flicker problems.
A Smart-UPS 750 will probably handle anything
you need for a desktop and L[CE]D screen, for
two of them you can get a 1.5KVA that will give
you plenty of time for shutdown even with two
machines.
For a home unit, your best bet is to size the
thing for a reasonable shutdown period rather
than try to keep everything running through
a potential blackout. Reboots don't take that
long and the cost+overhead of running an oversize
unit adds up. You have a different calculation
for servers or racks, where uptime is more of
an issue. The bigger ones also weigh a helluva
lot more, which doesn't sound like anything
until you break a desk or warp some shelves
unnecessarly :-)
--
Steven Lembark 3646 Flora Pl
Workhorse Computing St Louis, MO 63110
lembark@wrkhors.com +1 888 359 3508
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2013-01-08 13:01 [gentoo-user] Any UPS recommendations? Walter Dnes
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