For reference, here's a copy of my request for assistance submitted to Backblaze.
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#35009 CoreStorage encrypted ZFS home directory misinterpreted as Boot Camp
ZEVO Community Edition 1.1.1 on OS X 10.8.2.
ZFS home directory encrypted with CoreStorage as outlined at
http://apple.stackexchange.com/a/52920/8546
Backblaze 2.1.0.572 misinterprets the ZFS file system, and its backup (also ZFS) as Boot Camp.
Screenshots at
http://www.wuala.com/grahamperrin/publi ... de=gallery
and attached. …