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Date: Mon, 28 Feb 2011 13:25:12 +0200
From: Ruslan Yakovlev <quazi@bk.ru>
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Subject: ZFS, booting trouble
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Hi

I install 8.2-RELEASE root on ZFS with GPT and all works fine if I don't 
use zpool export.
FreeBSD can't boot if bootable pool exported (when we unmount zfs after 
installation finished or when we connect disk to other machine for data 
copy):
gptzfsboot: No ZFS pools located, can't boot

Now it can be fixed (zpool imported) only from other machine/OS/boot device.
Can bootable pool will be protected from full export?