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ac
*nix forums Guru Wannabe
Joined: 10 Mar 2005
Posts: 119
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 Posted: Wed Feb 02, 2005 5:01 pm Post subject:
UPS for newbie (?)
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I have not used a UPS before, and would like to seriously consider using
one for a main PC if not also for a second PC.
All I want really is an almost immediate 'close files and shut down',
if/when power fails, I do not want to continue running the PC/s.
Am I correct in thinking a UPS is what is needed, in case file saving is
in progress when a power-out occurs - to prevent data corruption etc?
I would be grateful for comments about what a newbie should consider -
UPS models and suse compatibility etc.
I know that lowest price might not be best buy for me, but my attention
was first attracted by
the cheapie at dabs. It even mentions Linux. It is serial cable
connected I think, and other things being equal (?) I do not know if
that is 'trouble' for my simple needs:
http://www.dabs.com/uk/Search2/Product+Details.htm?quicklinx=3l1t&searchphrase=Linux
(OPTI VS575C, 575VA/345W Off Line UPS - 6 Outlets 37.81 UKP inc VAT)
tia
--
AlanC |
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Russ
*nix forums addict
Joined: 01 Mar 2005
Posts: 58
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| Posted: Thu Feb 03, 2005 3:22 pm Post subject:
Re: UPS for newbie (?)
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ac wrote:
| Quote: | I have not used a UPS before, and would like to seriously consider using
one for a main PC if not also for a second PC.
All I want really is an almost immediate 'close files and shut down',
if/when power fails, I do not want to continue running the PC/s.
Am I correct in thinking a UPS is what is needed, in case file saving is
in progress when a power-out occurs - to prevent data corruption etc?
I would be grateful for comments about what a newbie should consider -
UPS models and suse compatibility etc.
I know that lowest price might not be best buy for me, but my attention
was first attracted by
the cheapie at dabs. It even mentions Linux. It is serial cable
connected I think, and other things being equal (?) I do not know if
that is 'trouble' for my simple needs:
http://www.dabs.com/uk/Search2/Product+Details.htm?quicklinx=3l1t&searchphrase=Linux
(OPTI VS575C, 575VA/345W Off Line UPS - 6 Outlets 37.81 UKP inc VAT)
tia
--
AlanC
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Quote from our local power company "A UPS sits between the power supply and
an electronic device such as a computer. It prevents outages, power surges,
etc., from adversely affecting your equipment. This helps your electronics
to remain temporarily operational when changes to the power supply occur,
allowing you to save your documents and shut down your system before any
damage is done. A UPS can save your data and your peace of mind. We offer a
full line of POWERWARE commercial-grade uninterruptible power systems (UPS)
to protect your home office or business needs."
As for saving files it would depend on the size of the battery and the load.
The APC site had a calculator for figuring the right size based on your
hardware and desired length of backup.
A UPS will help protect your PC. I experienced several brief outages and my
PC never saw them. Look at the APC Line of UPS also. I've used various
products from them over the years and only one had a problem and it was
replaced free in one phone call. (http://www.apcc.com/). they also have a
strong tech support staff and a good guarantee.
The local power company sells unit from Powerware. I do not know anything
about them.
In my 40+ years in the Computer field I have fought many battles with
Management about UPS's. The locations that put them in never blew a
computer or lost data. The ones that did not have a UPS had problems.
Hope this helps you.
--
Russ |
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Brian
*nix forums Guru
Joined: 22 Mar 2005
Posts: 314
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| Posted: Thu Feb 03, 2005 4:21 pm Post subject:
Re: UPS for newbie (?)
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On Wed, 02 Feb 2005 18:01:16 +0000, ac wrote:
| Quote: | I have not used a UPS before, and would like to seriously consider using
one for a main PC if not also for a second PC.
All I want really is an almost immediate 'close files and shut down',
if/when power fails, I do not want to continue running the PC/s.
Am I correct in thinking a UPS is what is needed, in case file saving is
in progress when a power-out occurs - to prevent data corruption etc?
Yes. |
I'd recommend an APC UPS, along with: http://www.apcupsd.org/
Dead easy to configure too.
The cheaper "dumb" UPSs can only signal "mains gone" and "mains returned"
to the PC - but that's still enough for the daemon to shut things down
cleanly. The bigger & cleverer ones can natter to the machine, passing
information about battery status, mains voltage, temperature etc. etc.
| Quote: | I would be grateful for comments about what a newbie should consider -
UPS models and suse compatibility etc.
The OS won't really care about the UPS - why would it? - it's only a |
source of AC power. All you'd need to worry about is if it's "big" enough
to power your kit - and even the smallest ones would cope with a typical
machine+monitor loading for enough time to shut it down nicely.
The APC UPS daemon is provided with SuSE (at least it is with 9.1), but
since it's not expecting anything special from the OS - it just needs
"Linux" - compatibility isn't an issue so you could just as easily grab it
from the apcupsd website if you needed to.
| Quote: | I know that lowest price might not be best buy for me, but my attention
was first attracted by the cheapie at dabs.
I've not looked at this one, but APC do a cheap line of low power/one |
machine UPSs too. I went for APC after first looking to see what was
readily supported by Linux. APC are!
| Quote: | It is serial cable connected I think,
The cheaper APC models tend to be only USB connected, but the daemon |
understands that along with serial so it shouldn't make much of
a practical difference.
Ooh - you're a Demonite too! (waves hello)
Have a look at these - I got my UPS from here (next-day service):
http://www.overclockers.co.uk/acatalog/Online_Catalogue_Un_Interruptable_Power_Supplies_55.html
B.
--
The best way to make an apple crumble
is to torture it for 10 minutes. |
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Harold Stevens
*nix forums Guru
Joined: 08 Apr 2005
Posts: 384
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| Posted: Thu Feb 03, 2005 4:46 pm Post subject:
Re: UPS for newbie (?)
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In <icidnZb2vZmfzZ_fRVn-ow@centurytel.net> Russ:
[Snip...]
| Quote: | replaced free in one phone call. (http://www.apcc.com/). they also have a
strong tech support staff and a good guarantee.
|
FWIW--I've had very good experience with Belkin UPS, which provides their
own Linux drivers (control/shutdown etc.) on an included CD. Only thing I
dislike about Belkin is their controls require X (no CLI interface option
AFAIK, except very basic things like UPS start/stop).
(Never had to call Belkin, but a couple had suboptimal battery life, IMO)
--
Regards, Weird (Harold Stevens) * IMPORTANT EMAIL INFO FOLLOWS *
Pardon any bogus email addresses (wookie) in place for spambots.
Really, it's (wyrd) at airmail, dotted with net. DO NOT SPAM IT.
Kids jumping ship? Looking to hire an old-school type? Email me. |
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ac
*nix forums Guru Wannabe
Joined: 10 Mar 2005
Posts: 119
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| Posted: Fri Feb 04, 2005 2:42 pm Post subject:
Re: UPS for newbie (?)
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ac wrote:
[...]
| Quote: | I would be grateful for comments about what a newbie should consider -
UPS models and suse compatibility etc.
[...] |
All your comments are very useful and mean a lot. Thanks
--
AlanC |
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