trapexit

You could try asking around some subreddits or something. homelab or datahoarders. I don't know where Synology folks hang out.

Feel free.

No, it doesn't handle loops of itself which appears to be what happens. I'm not sure what the expected behavior is. I'd have to look at the other projects.

I'm not sure. fuse-overlayfs does not have anything specific wrt pivot_root or chroot. unionfs-fuse calls chroot but when doing what you show above it just blocks. I've not tried unionfs-fuse...

I think I got it working with a chroot similar to unionfs-fuse though I need to fool with it more. That are you expecting to run this as non-root? Because...

What would cause it not to be supported? They are both modern Linux based systems.

You will run into all the normal permission issues with using containers but so long as FUSE is working mergerfs will work.

Not from me. I've only provided packages for popular platforms and built build containers to automate the process. Most other distros package it up themselves. I'm happy to add other...

Are those OSes even supposed to have the traditional packages? Wouldn't you be using containers for most services? I can look at creating a simple image based on alpine or...

Yes, running in a container. The problem is that [AFAIU](https://github.com/coreos/toolbox) you aren't supposed to be using CoreOS in that fashion. I could look into having a static binary but I...