[Nut-upsuser] NUT messes up UPS after mains power is restored

Stuart Gathman stuart at gathman.org
Tue Sep 4 18:12:13 BST 2018


On 09/04/2018 12:36 PM, Ong, Kevin wrote:
>
> I think I know what I did wrong. In step 7, I plugged the mains too
> early causing a power race condition as described by point #51 here
> <https://networkupstools.org/docs/FAQ.html> . I thought that when APC
> BR1500GI's display went black (even with the fans still running) it is
> already in a shutdown state. This was not the case, it waited for a
> few more seconds until it totally went silent. At that time, I plugged
> the mains back and everything was working as expected :)
>
Unfortunately, electric utilities are not always so polite.  They have a
habit of restoring power at the most inopportune times.

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