This article explains how to expand a ZFS Pool. I have used this procedure a few times while dealing with FreeBSD in a virtual environment where I have needed to expand a zpool. Enable the “autoexpand” feature on the zpool zpool set autoexpand=on zfstestpool Shutdown the system shutdown -h now Resize the gpt partition gpart resize -i 1 /dev/da1 Export the zpool zpool export zfstestpool Import the zpool ...