JJZolx;566445 Wrote: 
> Well, like I said, the only way to really guarantee that the system will
> be shut down safely is to have a UPS that communicates with the server
> and make sure you have it set to shut down before the battery runs out.
> I don't know enough about Linux, and even less about the Vortexbox, to
> say whether or not its easy to do with, say, a typical APC UPS.  Ask
> the Vortexbox people.

I use the Ubuntu 'apcupsd' package with an APC Smart UPS (their
cheapest model that is supposed to output nice, non-square AC waves). I
think mine came with a USB cable, but I opted to use the 9-pin serial
cable since my server had a free serial port. In addition to clean
shutdowns based on realistic runtime calculations by the UPS, one thing
I really like is that apcupsd emails me when the power goes out or comes
back on. My broadband modem and AP are also on a UPS, so I pretty
reliably get emails/texts when there's a power problem. Since my house
relies on a sump pump to keep the basement dry, this is a big relief. I
also like that the Smart UPS handles under- and over-voltage events.

I've been pretty loyal to APC ever since I had a great customer service
experience with them in the late 1990s, but next time I'll probably shop
around, as I've had some bad experiences with APC units' reliability
lately both at home (the unit that preceded my Smart UPS) and work
(some nicer rackmount units) -- though most of the APC units, including
one I've owned more than a decade, work fine.


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peterw

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