Date: Tue, 18 Nov 2014 17:47:14 +1100 From: andrew clarke <mail@ozzmosis.com> To: David Newman <dnewman@networktest.com> Cc: freebsd-questions@freebsd.org Subject: Re: upgrading 9.3 / ZFS v28 Message-ID: <20141118064714.GA75897@ozzmosis.com> In-Reply-To: <546A91D4.3070009@networktest.com> References: <54697AA5.6040804@networktest.com> <20141117123929.GB60429@ozzmosis.com> <546A1538.4040801@networktest.com> <20141117181527.GA62908@ozzmosis.com> <546A91D4.3070009@networktest.com>
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On Mon 2014-11-17 16:24:52 UTC-0800, David Newman (dnewman@networktest.com) wrote: > This command will upgrade the zpool, even when mounted: > > zpool upgrade -a > > This command will take the system offline, as I learned the hard way: > > zfs upgrade > > The right way to do this: > > 1. Boot into a LiveCD. I used the FreeBSD 10.1 DVD. > > 2. For each boot partition, use this command: > > # gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 > > This assumes that (a) the freebsd-boot partition is first on the disk > and ada0 is the disk. Use "gpart show" to verify this. > > This system has four disks, each with a freebsd-boot partition, so I > went on like this: > > # gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 2 ada1 > # gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 3 ada2 > # gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 4 ada3 > > ...and I got an invalid index error on that last one, even though it's > set up the same as the others. > > The system seems to boot and run OK, but I'm not sure why that last > command failed. In what way did "zfs upgrade" take the system offline? Kernel panic? You did not paste the output of "gpart show", but I suspect you may have got the gpart index parameter wrong on ada{1,2,3}. On my two disk system, "gpart show" outputs: => 34 1953525101 ada0 GPT (932G) 34 128 1 freebsd-boot (64K) 162 1953524973 2 freebsd-zfs (932G) => 34 1953525101 ada1 GPT (932G) 34 128 1 freebsd-boot (64K) 162 1953524973 2 freebsd-zfs (932G) Therefore the correct commands were: gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada1 Regards Andrew
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