I can't promise this won't eat your lunch and pee on the floor but I've added a Ceph backed to preserve:https://github.com/cholcombe973/preserve https://github.

I can't promise this won't eat your lunch and pee on the floor but I've added a Ceph backed to preserve:https://github.com/cholcombe973/preserve https://github.com/cholcombe973/preserve I'll be adding integration tests with checksums to verify integrity this week. If anyone wants to build another backend I'd be happy to merge it.