I was using my server, and some of my docker containers started crashing on me - I thought it was the specific app, tried restarting it, it hung on restart. Couldn't clean shut down server because docker couldn't stop, had to hard reset.
Docker is on a 4 drive ZFS cache with 64GB RAM allocated
- On server startup, hangs on docker start
- Disabling docker allows for server startup
- Turning docker on, hangs again
- With docker off, changed docker from 'directory' to a new clean directory - server is able to start with docker enabled, but when I go to add a previous app, it gets stuck on "please wait...." with several of my CPU cores pinning at 100%
- Tried using both kinds of disk based docker shares, same issue - will start up if no apps, but if I attempt to install an app, it will hang and then the server will not be able to be stopped (sometimes it will successfully kill docker process when I try to shut down).
Doing a ZFS scrub right now just in case, but it's going very slow.
At first I assumed that It was a specific docker image, but at this point I've tried all the flavors of docker storage on fresh directories, different apps both previous and new. Also tried updating to Unraid 6.12.4 from 6.12.3 just in case - upgrade went fine.