On Tue, 16 May 2023, Carsten Aulbert wrote:
... I'm still struggling how to shut down servers fed by two independent UPS systems.
* Keep nut unpatched but use our own NOTIFYCMD or CMDSCRIPT to pull the values from the server and implement our logic there?
Hello Carsten, That's what I did but for a much simpler setup. I live in an area with a lot of lightning, and my shutdown criteria is to be able to shut down repeatedly during an electrical storm. The NOTIFY and CMDSCRIPT and the upssched-cmd logic are written up in detail in chapter 7 of https://rogerprice.org/NUT/ConfigExamples.A5.pdf .
Chapter 8 contains a detailed description of a hypothetical installation fed by multiple UPSs.
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