How do you do it? for say an SLOG device. I read this post http://forums.freenas.org/threads/some-insights-into-slog-zil-with-zfs-on-freenas.13633/ And have been googling like crazy to try it out. I currently have an Areca ARC-1882-ix-24 with 4 gigs ram, and I would love to test it as an SLOG.