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Date: Sat, 1 Jun 2013 00:06:25 +0400
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: freebsd-current@freebsd.org
Subject: GEOM (GPART) filtered device tree
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I am try to build SAN with iSCSI access based on FreeBSD+ZFS.
LUN emulated by ZFS volume. Because partitioned not contrlled and can
be dangerous (even threat host OS) I needed to filtered some /dev
subtree from GPART (temporary or permanently).

How do i do this?