Quick question, sorry if it's been addressed, I can't seem to find any concrete answer. I built my first FreeNAS machine ~6 weeks ago, and used an old, slow 8GB thumb drive as the boot drive. I've since gotten two new shiny 16GB thumb drives (identical model), and want to transfer my boot...

Newb question here. I'm planning in creating a boot mirror on a 2nd flash drive for my FreeNAS OS and I see a "use all disk space" checkbox option. What would be the pros/cons of having this ticked/unticked? What would be a usecase in which I would need to use this feature? Are there performance...