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Date:      Thu, 26 Mar 2009 13:57:44 +0100
From:      Philipp Wuensche <cryx-freebsd@h3q.com>
To:        freebsd-current@freebsd.org
Subject:   unable to boot ZFS with gptzfsboot from an exported zpool
Message-ID:  <49CB7BC8.1010905@h3q.com>

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Hi,

is anyone else having problems booting from exported zpools when using
gptzfsboot?

I have a script creating a GPT partition on a single fresh disk setting
up zfs booting etc.
http://anonsvn.h3q.com/projects/freebsd-patches/browser/manageBE/create-zfsboot-gpt.sh?format=txt

If I export the zpool after the script is done with the setup and try to
boot the disk, zfsboot tells me "No ZFS pools located, can't boot". If I
just plug out the disk, e.g. USB, or shutdown the system without
exporting the zpool on the new disk first, it finds the zpool and boots.

My guess is a bug in sys/boot/i386/zfsboot/zfsboot.c somewhere in
probe_drive(), not sure if its in the GPT part or somewhere else.

greetings,
philipp




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