Date: Thu, 23 Jul 2009 09:40:37 -0700 From: George Hartzell <hartzell@alerce.com> To: Paul Wootton <paul@fletchermoorland.co.uk> Cc: freebsd-current@freebsd.org, hartzell@alerce.com, Stefan Bethke <stb@lassitu.de> Subject: Re: gptzfsboot doesn't like change (failure after swapping drives) Message-ID: <19048.37509.297550.851269@already.local> In-Reply-To: <4A68898C.8070701@fletchermoorland.co.uk> References: <19047.52443.164412.363239@already.local> <1E3C4A20-1B89-4C8C-912E-3CA99A427452@lassitu.de> <4A68898C.8070701@fletchermoorland.co.uk>
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Paul Wootton writes: > Stefan Bethke wrote: > > Am 23.07.2009 um 04:37 schrieb George Hartzell: > > > >> I've been playing around with building an 8.0BETA2 system with > >> everything on a single zfs filesystem (I'll get fancier later) on a > >> zpool that is a 4 disk raidz. > > > > Quite a few people had no luck with booting from RAIDZ volumes at > > all. (Single disks and mirrors seem to work fine.) See this thread: > > http://lists.freebsd.org/pipermail/freebsd-fs/2009-July/006466.html > > > > > > Stefan > > > I've been trying on and off for a few months now to get a raidz pack to > boot and a few days ago finally got a working setup. > > I have a 3 disk raidz pack. I've only set zfs_load="YES" in > /boot/loader.conf. All the mountpoints are set to none and I am using > /etc/fstab instead. I have the root of the working filing system as a > zfs volume, and not in the base of the pool > > zboot 7.31G 201G 18K none (this never gets mounted) > zboot/root 65.4M 201G 65.4M none (this gets mounted as /) > zboot/tmp 27K 201G 27K none (this gets mounted as /tmp) > zboot/usr 7.21G 201G 7.21G none (this gets mounted as /usr) > zboot/var 35.4M 201G 35.4M none (this gets mounted as /var) If you don't have any important data on it, and don't mind having to recreate it, it'd be interesting to try to boot it with one drive pulled. I'll bet that you can't, even though you'll be able to see the pool if you boot from some fixit media. I'll also bet that you still won't be able to boot once you reinsert the drive. g.
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