The core sales team suggested I post here to ask what solutions there are for the following key objectives.
- Control 4 hosts power remotely
- Schedule power up and down of the cluster safely
- Hopefully a non UPS solution
- Cost effective of course
If you’re looking for something polished and complete, something like this might be a good pick:
If you’re looking to DIY it, you’d just need scripts on each Pi listening on a pin to run a shutdown script, and a microcontroller with an RTC attached to trigger that pin, and another output for each of the Pin 3s to turn on the Pis:
Let me know which appeals to you more, and if you have more questions!