Cool visualization of how PiHole 02 went down for some reason and PiHole 03 took over. PiHole 02:
PiHole 03:
As you can see these are the nodes runner02 and runner03 respectively. I’m adding this to my docker commands because there is some issue with shm, even though it might not be what happened PiHole in this case:
docker run –shm-size=256m –name pihole –network host
The error message in question:
RAM shortage (/dev/shm) ahead: 99% used/dev/shm: 67.1MB used, 67.1MB total, FTL uses 67.1MB