If dedup is off, and max ARC size is limited, it will use a little memory (e.g. 512 Mb of RAM for 2x2TB RAID1 pool). I can say that from my own experience, I tr

If dedup is off, and max ARC size is limited, it will use a little memory (e.g. 512 Mb of RAM for 2x2TB RAID1 pool). I can say that from my own experience, I tried both approaches.