[Nut-upsuser] Powering off the big stuff first

[Arnaldo H Viegas de Lima]

One thing that I think NUT misses is the client side being able to decide to shutdown by itself based on time (this can be done), battery charge (ex if bellow 10%), and estimated runtime left (if available and considered reliable/calibrated). 
Without having to sort on the LB state from the server. 

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> On Jul 16, 2023, at 4:34 PM, Willcox David via Nut-upsuser <nut-upsuser at alioth-lists.debian.net> wrote:
> 
> 
> Interesting. Something similar came up in late May. Look for "[Nut-upsuser] Synthesize low batt (LB) fron SNMP UPS which does not support this?” Is there an archive of this list? I an’t find it. I’d been trying to figure out how to do that itself, but then found some code in drivers/dstate.c that looked like it would work, but someone else replied that they’d tried it and it didn’t work.
> 
> But that was about getting the NUT server to synthesize LB to its clients before the actual UPS did.
> 
> If you’re running NUT as a client on your server, then yes, as others have noted, upssched on your server is probably the way to go.
> 
> 
>> On Jul 16, 2023, at 9:00 AM, Dan Langille via Nut-upsuser <nut-upsuser at alioth-lists.debian.net> wrote:
>> 
>> Hello,
>> 
>> I had an idea last week: why shut everything off (in my basement) when the power goes off (and run time goes below X minutes)?
>> 
>> My idea: shutdown the big stuff first (two servers) leaving the little stuff (switches, wireless, gateway) running for a while longer. I might get another 30 minutes of internet that way. Let me watch a bit more streaming….
>> 
>> I’m convinced that idea is achievable with a little programming. 
>> 
>> Mind you, most of my power outages exceed 1 hour. 
>> 
>> Do you already do something similar? Do you have something you’d like to share please?
>> 
>> Thank you
>> 
>> -- 
>>  Dan Langille
>>  dan at langille.org
>> 
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