any good UPS for a Fedora server

Robin Laing Robin.Laing at
Mon Nov 19 20:19:58 UTC 2007

Mike wrote:
> I get 3+ hours of run time from this combination (RS1500 plus external 
> BR24BP battery):
> The measured power consumption of the singler server that this backs up 
> is only 115 watts, pretty low generally speaking.
> I use a usb cable between the RS1500 and the server.  I've configured 
> apcupsd to page me when several different events happen, power out, 
> power restored etc.
> The downside of the RS1500 and apcupsd is that 9 times out of 10 it 
> triggers a shutdown long before the battery is even close to exhausted. 
> To prevent this I replaced the shutdown script with a script that does 
> nothing.  Never did find a more elegant solution.
> In any case this may not be the UPS for you but this works well for me. 
> Someone can almsost always get to the server if the "Power restored" 
> page doesn't come in within 2 hours of power out...
> On Tue, 13 Nov 2007, Ali, Saqib wrote:

I had this issue and found that I had to run a calibration of the APC 
UPS to get the timing right.  I cannot remember how I did it.

Robin Laing

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