March 19, 201313 yr I'm looking to buy a good UPS that'll:- A. Supports sending WoL packets when battery hits 100% after a powercut B. Supports shutting down unraid (linux) and windows on powercut, not really sure what drivers/plugins I'd use C. (Nothing here is required other than the unraid server, I've heard nasty shit of unraid servers shutting down; however, hopefully can keep it all up) Can keep my 750W unraid server, 750W windows machine, 750W HTPC, 20W router and 20W modem* on for enough time to shutdown. The HTPC will probably just power off instantly (I highly doubt it's worth keeping it on, wastes power & likely hood is nobody is watching), however, I'd like to keep the windows machine & unraid server on for at-least 5 minutes to see if I can live through the power cut. Does anyone know a good UPS that'll do that? I have zero knowledge of UPSes what so ever. *Guesses on wattage, I'm doing a total upgrade of my electronics and I've yet to find a router/modem EDIT:- Question:- Can you prioritize where the electricity goes? I'm looking at a lower-end one which is 1050W, however, I want it to disconnect items in the following order if it's running out of power to provide them with:- A. Modem B. Router C. HTPC (Which, should have shutdown by this time) D. Windows machine E. Unraid box (Although, 1050W - 750W = positive value, not too sure how it'd run out of concurrent power)
March 20, 201313 yr Just to clarify, are your machines drawing 750 W each, or is that the PSU capacity? Have you measured actual power draw of each system with a Kill-a-watt or such?
March 20, 201313 yr Author Just to clarify, are your machines drawing 750 W each, or is that the PSU capacity? Have you measured actual power draw of each system with a Kill-a-watt or such? 750W max, as for the real amount, no idea, I've yet to buy them. Currently upgrading all of my services, unraid included. I'm considering buying 3 of these, since, no one product goes over 810W and it's cheaper than buying a single UPS @ 1.3k watt (Which seems to be ~ $500, vs $400 for three of these):- http://www.newegg.com/Product/Product.aspx?Item=N82E16842102070 Are they any good? Will they work with unraid? I'm new to powercuts really, over in England I haven't had a power cut in 8+ years, however, in my time in the US I've had two already.
March 20, 201313 yr I don't know about that specific model, but I bought a 625VA Cyberpower unit a few months ago that works great. It has a USB cable that plugs into my UnRAID server. To have automatic shutdown on UnRAID you need to install a couple plugins, apcupsd and CleanPowerdown. As a test I unplugged the UPS at the wall and 300 seconds later my server shutdown, right on time. My server only has three hard drives so the power draw is light. With a Kill-a-watt I measure about 55 W at peak. Your yet-to-be built UnRAID server will probably not come near the theoretical 750 W and you may want to consider a less powerful PSU. That's because the PSU efficiency is much better when the actual power draw is nearer to capacity. You can probably purchase a couple of lesser UPS, such as these: http://www.newegg.com/Product/Product.aspx?Item=N82E16842102082 http://www.newegg.com/Product/Product.aspx?Item=N82E16842101311 http://www.newegg.com/Product/Product.aspx?Item=N82E16842102043 The HTPC and UnRAID server will likely be drawing much less than the 810 W of the unit you linked. Save the big juice for your desktop/gaming system and monitor. Use the cheaper UPS for the server and HTPC.
March 20, 201313 yr Author I don't know about that specific model, but I bought a 625VA Cyberpower unit a few months ago that works great. It has a USB cable that plugs into my UnRAID server. To have automatic shutdown on UnRAID you need to install a couple plugins, apcupsd and CleanPowerdown. As a test I unplugged the UPS at the wall and 300 seconds later my server shutdown, right on time. My server only has three hard drives so the power draw is light. With a Kill-a-watt I measure about 55 W at peak. Your yet-to-be built UnRAID server will probably not come near the theoretical 750 W and you may want to consider a less powerful PSU. That's because the PSU efficiency is much better when the actual power draw is nearer to capacity. You can probably purchase a couple of lesser UPS, such as these: http://www.newegg.com/Product/Product.aspx?Item=N82E16842102082 http://www.newegg.com/Product/Product.aspx?Item=N82E16842101311 http://www.newegg.com/Product/Product.aspx?Item=N82E16842102043 The HTPC and UnRAID server will likely be drawing much less than the 810 W of the unit you linked. Save the big juice for your desktop/gaming system and monitor. Use the cheaper UPS for the server and HTPC. Once thing I notice about 'apcupsd' right away is that it (or so the homepage claims) only works on "APC" UPSes. I notice quite a few of the UPSes on newegg have "APC" in the title, yet, none of the ones you linked (nor the one I linked) have that anywhere on the details page. How do I tell which ones are supported? Sorry for the stupid question as I'm sure it's insanely easy to tell, however, I can't seem to locate any information on apcupsd's manual.
March 20, 201313 yr apcupsd works with many different UPS, not just those manufactured by APC. Cyberpower is the next runner up to APC and as far as I know most of their consumer UPS work with apcupsd. Do a search on these forums for Cyberpower and you'll see lots of users reporting success with various models. Beyond that, I can't tell you how to know for sure. Heck, even some APC models are problematic.
Archived
This topic is now archived and is closed to further replies.