ZFS snapshot restore not quite working; missing steps?

[Jeff Chan]

Update: using the most current FreeBSD 9.0 - 9.2 ZFS instructions
on the wiki page for the initial configuration caused the booting
to ZFS to work:

https://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/9.0-RELEASE

including the GNOP trick, since these drives are "advanced format" and
greater than 2TB size, and the -a 4k alignment to 4k sectors when
creating the ZFS partitions.

Jeff C.