August 4, 20187 yr Hello! I just built my first server, and I'm enjoying the whole experience so far! I need to put it on a UPS to make sure it can survive power flickers and safely shut itself down when there's an extended power outage. Is there a way to easily determine which UPS's support the APC UPS Daemon? Is there a certain feature I should look for, or is it safe to assume that all new APC units support these features? It's a small server - 2x 8tb drives (one in parity), a spare 1tb drive, and a cache SSD. I plan on using it primarily for NAS, but also for nextcloud and maybe a couple other minor things, so ideally I'm aiming for something small and inexpensive. Thanks, -Ben
August 5, 20187 yr 14 hours ago, urBen said: Hello! I just built my first server, and I'm enjoying the whole experience so far! I need to put it on a UPS to make sure it can survive power flickers and safely shut itself down when there's an extended power outage. Is there a way to easily determine which UPS's support the APC UPS Daemon? Is there a certain feature I should look for, or is it safe to assume that all new APC units support these features? It's a small server - 2x 8tb drives (one in parity), a spare 1tb drive, and a cache SSD. I plan on using it primarily for NAS, but also for nextcloud and maybe a couple other minor things, so ideally I'm aiming for something small and inexpensive. Thanks, -Ben Most here use either an APC or CyberPower UPS. They both seem to work just fine with the APC UPS Daemon in unRAID. Units that support pure sine wave output and automatic voltage regulation (AVR) are preferred, but, simulated sine wave seems to also work well for many. One that supports at least AVR should be on your list. I am currently using an APC Back-UPS Pro Br1000MS UPS unit which supports both pure sine wave and AVR, but, before that I used an older unit that supported neither and worked just fine with my server during a couple of power outages. How "clean" your power is and how prone to voltage variations and outages it is may help you determine if pure sine wave and AVR are absolutely necessary. Any good APC or CyberPower UPS is going to filter out the power surges/flickers and shut down your unRAID server in a power outage. The are several websites you can go to get a good estimate of the watts/VA needed in a UPS to support your hardware. Here is one from APC: http://www.apc.com/tools/ups_selector/pso/zones/
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