Brunner, Brian T. wrote:
centos-bounces@centos.org wrote:
On 7/1/2011 10:59 AM, Robert Heller wrote:
APC UPSes are supported by apcupsd. Other brands, not so much. Some (read: cheaper models) have their own special protocol and don't include Linux support. These solutions are intended for the cheaper or otherwise 'unsupported' UPSes. It *sounds* like the OP does not need something smart and is probably looking for something cheap.
And the APC Smart-UPS 750 units are not all that expensive either. Even the 1500VA units are a lot less expensive then they were 5-10 years ago. $250-$300 to protect $2000-$6000 worth of hardware is
worth it in my book.
To what extent does a UPS *protect* the hardware? Maintaining up-time during brief brown-outs is one thing I expect of a UPS,Orderly shutdown is another thing I expect of a UPS.
*protection* of the PC from irregularity in the AC Mains by a UPS, however, I question. Rather, it seems, any power irregularity that would kill a PC by propagating through the PSU will also propagate through the UPS.
NO UPS MADE TODAY (according to my reading of the stats on advertisements) eats lightning strikes and asks for more.
So per your experiences and greater technical savvy: What PSU/PC kill power irregularities will be stopped by which UPS?
Really? That's what you read in the specs? Here, I thought that good quality surge protectors would do that, and my UPS does says surge protection as well as UPS. IIRC, UPSs, and better surge protectors, offer a multi-thousand dollar warranty if it doesn't stop a large surge and your system's fried.
I *think* I have one of these, http://www.cyberpowersystems.com/products/ups-systems/soho-ups.html, which they say is suitable for SOHO usage... and you notice the "connected equipment guarantee" (CEG): between $25k USDand $100k USD, depending on model.
mark