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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