Hm, I think I understand. So you could save the entire dataset up to snapshot x, then for x+1 you would save just a diff. Might have to play around with this. I

Hm, I think I understand. So you could save the entire dataset up to snapshot x, then for x+1 you would save just a diff. Might have to play around with this. I currently use ZFS snapshots to protect against accidental data loss and I have daily backups off site but these are managed independently. This might make my life easier.