4. Also, with GPT, one has to be in single user mode to synchronize
disks - correct?
3. Assuming one has enough RAM, is zfs mirror or raidz recommended over
Prior to FreeBSD 9, I used to take the the sysinstall defaults with
some overrides as I thought appropriate and proceeded to set up
gmirror - it was simple and not a lot of work, and a good way to make
use of older systems...