[ILUG] UPS for home use?

[Conor Daly]

-----Original Message-----
From: Niall O Broin <niall at magicgoeshere.com>
To: ilug <ilug at linux.ie>
Date: 29 June 2000 15:13
Subject: Re: [ILUG] UPS for home use?


>On Thu, Jun 29, 2000 at 02:30:43PM +0100, Conor Daly wrote:
>
>> I want to UPS my server and firewall to keep my uptime (currently 27
days.
>> Cool eh?).
>
>Can I come to your house and watch while you cut over from ESB to UPS
supply
>while preserving your miserable :-) uptime - could be fun ?
>

Sure...  I saw a host on www.uptimes.net who mentioned how he had gone to a
lot of trouble to keep a machine up while moving it 3 miles so he could keep
his uptime!  Do you know what a small bump in a car can *do* to a fast
spinning HD?  Never mind about the gyro effect going around corners.  He mus
have had a 2 day UPS just so he could drive slow enough to avoid damaging
the disks.

>
>> What sort of power consumption should I expect for a system in this mode
and
>
>Measure it - should be a piece of piss compared to the cutover (a Hall
>effect meter counts as cheating, BTW) - but seriously, it depends very much
>what you have in the box. The monitor consumes more than the PC, usually.
An
>"average" consumes ~2A after startup


I wouldn't *dream* of plugging anything other than the base unit into the
UPS anyhow.  In fact, I don't even have a monitor for the server and I don't
even have the firewall yet!

I'm getting the firewall for when NTL: get around to providing their much
touted 24/7 cable net connections (I shouldn't be in any rush,  1 or 2 years
to get the box organised I'd say...)
>
>> what sort of UPS could I get to keep something like this up for say 12
hours?
>
>A fscking big one :-) - typical computer UPS are specc'ed to last for 5 or
>10 minutes. Have a look at www.apc.com - they'd got charts and calculators.
>A UPS to keep a small desktop running for 8 hours costs ~ $1000.


Interesting though, they have auctions for used gear, an APC BK500U for $25
(120volt only and only within the USA though)

>
>> If the power is going to be off for more than this, I could hire a
generator or something.
>
>If the power in your house is going to be off for more than this, you're
>going to have more to worry about than your uptime :-)
>

Yeah,  I'll have to worry about what I'll do with my fingers for a few hours
without the kiss of 105 keys!-)

It's probably just pissing in the wind anyhow, I've better things to spend
my money (if I had any) on anyhow.

>
>Regards,
>
>Niall
>
---
Conor Daly
-------------------------------------
General Forecast Division
Met Eireann
Glasnevin Hill
Dublin 9.

ph +353 1 8064255
fax +353 1 8064275

conor.daly at met.ie
-------------------------------------