Proper UPS management
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Thanks! @steveits
It is installed on an eMachine PC / AMD Athlon(tm) Dual Core Processor 4050e
Yes, you're right I was set to Halt in apcupsd! Good catch. I have now set it to Power Off.But how will the PC start again if it is OFF? I need to set something in the Bios?
Is there a good way to test this other than pulling the plug?
Will it send all the notifications I have mentioned in my procedure above?Thanks!
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"But how will the PC start again if it is OFF? I need to set something in the Bios?" Yes you do.
"Is there a good way to test this other than pulling the plug?" Pulling the plug is the sure test.
Ted
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@wastapi said in Proper UPS management:
PC start again if it is OFF
If it's a PC, most have a BIOS setting for power loss of on/off/last state (whatever it was when power was lost).
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But I don't want the PC to reboot right when the power comes up. I need the battery to charge a bit don't I ?
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Maybe, if you are working with the assumption the power may not be stable after an outage you want enough charge to shutdown again. 1 way is to make sure you shutdown the first time with enough battery to start and stop again. Automated and without a generator there are limited scenarios you can successfully code for.
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@wastapi said in Proper UPS management:
When it reaches the threshold, it sends a signal to the BIOS of the computer for it to do a full startup.
Not sure how you expect to achieve that. Wake on Serial? Wake on USB? I've never tried anything like that but you'd need support for it in both the UPS and the BIOS. Nothing (we can influence) is running at that point so it can't be coded.
Steve
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@wastapi said in Proper UPS management:
I don't want the PC to reboot right when the power comes up. I need the battery to charge a bit don't I ?
The Windows APC software has a setting for, basically, "don't turn on until the battery is at _% charge" but I don't see that in this package.
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Ok... so though the Bios. But then:
The UPS will send a signal on USB for the computer to shut down.
The computer will shut down
But since this is a UPS, there will STILL be power delivered to the electric outlet.
Hence the BIOS will detect power and start again right away?!
How will the computer detect the power is back if indeed it still receives power from the battery the whole time? -
@wastapi The assumption is, I think, that at 5% battery it's unlikely wall power will return in the next few minutes. So there is a window there. When the UPS does shut off power it's like unplugging the cord to the PC. When power is restored it will provide power again. To the PC it looks like the power cord was reconnected.
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Ah, yes the UPS can simply not supply power again until it has charged to some specified level. Assuming it can be set for that.
