I've been running unraid for a few years now. And I've persistent issues with ssd cache drives.
I'd be running my containers and vms off my ssds and using the backup and restore appdata. But I've had consistent issues with docker service corruptions, caches going read only, and backup job verification failures.
I've tried mirroring ssd caches, I've tried separating my "system" cache from my download cache drives. I've tried tweaking container backups configurations. But always, within a matter of months, I'd begin to get these sorts of problems to start.
Recently, I completely removed all of my containers off of the ssd caches and instead run them on the array and all of my problems have