AFAICT this has been documented quite well. Use a SSD as cache. Easy to do with ZFS. The one I use on my NAS is one TB, it cost 200 EUR. It has the benefit of n

AFAICT this has been documented quite well. Use a SSD as cache. Easy to do with ZFS. The one I use on my NAS is one TB, it cost 200 EUR. It has the benefit of not causing data loss at power loss.