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  3. July 2010

Re: UPS Suggestions

Burns, Bryan wrote:
I s%$t canned our Powerware UPS (which had already been replaced under
warranty) because it malfunctioned

On Saturday September 20th at 4:30.22 a.m., the iSeries sensed a utility
power failure and inexplicably the UPS was not used and the iSeries did
an abnormal end of the system. The text that follows is a record of my
findings after investigating the cause for the abnormal end.
. . .
* I don't believe there was a power failure. Joe checked all his
logs for many of his servers and his conclusion was that the data center
didn't have a power failure.

If memory serves correctly, that's what happened with our one Powerware UPS.

We've had at least as many shutdowns because a UPS went insane as we've had cases in which a UPS prevented a shutdown.

--
JHHL

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