On Tue, Jan 21, 2014 at 3:11 PM, Thomas Hoffmann <trh...@gmail.com> wrote:
> On Tue, Jan 21, 2014 at 10:47 AM, Andriy Gapon <a...@freebsd.org> wrote:
>> on 21/01/2014 13:18 Andrey V. Elsukov said the following:
>> > On 21.01.2014 14:45, Andriy Gapon wrote:
>> >>>> What do I need to do to get the boot2 code written to /dev/ada0s1a?
>> >>>> # dd if=/boot/zfsboot of=/dev/ada0s1a skip=1 seek=1024
>> >>>> dd: /dev/ada0s1a: Operation not permitted
> Thanks for the responses. My apologies for going silent, but I had to step
> away from the problem for a bit. I was able to resolve my problem by doing
> the following:
> After upgrading my zpools and after my aborted attempt to update the
> bootcode as reported above, I copied /boot/zfsboot (or more precisely
> /bootpool/boot/zfsboot) to a USB thumb drive. I attempted to reboot my
> system, which failed due to unsupported zfs features. This was expected,
> but I thought, hey, I might get lucky. I then booted into a Live CD,
> mounted my USB thumb drive on /tmp/usb and executed:
> sysctl kern.geom.debugflags=0x10
> dd if=/tmp/usb/zfsboot of=/dev/ada0s1 count=1
> dd if=/tmp/usb/zfsboot of=/dev/ada0s1d skip=1 seek=1024
> Then I rebooted and all is well. All zpools support all features. While
> this procedure was not tedious, it would still be nice if, as Andriy
> stated, FreeBSD contained a native way do this zfs bootcode update for MBR
> schemes that is as simple as for the GPT schemes.
In your original message, you were trying to write the boot code to
ada0s1a, but you made it work by using ada0s1d.
Do you have an ada0s1a? If you do, is it your ZFS partition or is it ada0s1d?
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