ZFS: unsupported ZFS version 5000 (should be 28)

[Warren Block]

On Fri, 2 Aug 2013, Ronald Klop wrote:

> On Fri, 02 Aug 2013 09:48:03 +0200, Tim Gustafson <tjg at ucsc.edu> wrote:
>
>> Ok, so I think I have a little more of an idea as to what happened.
>> 
>> Apparently, when I did an "svn checkout" this evening, I grabbed
>> releng/9.1 rather than releng/8.4.  Apparently, that make
>> buildworld/buildkernel/installkernel/installworld also upgraded the
>> zpool for me, or something...I'm not sure what happened, but I *am*
>> sure I didn't type "zpool upgrade" at any point.  Is an automatic
>> zpool upgrade included in installkernel now?
>
> No, it isn't.
>
>> So now I've got base/releng/9.1 revision number 253878 installed on
>> that machine, which apparently does support the 5000 zpool version,
>> but seems to somehow not have a compatible boot loader.
>> 
>> I'm feeling like "gpart bootcode" ought to fix this problem for me,
>> but I've tried several iterations of that without success.
>> 
>> For now, I'm booted off the 9.2-BETA CD in single user mode, and then
>> mounted my zpool and zfs file systems, and then ran "sh /etc/rc" by
>> hand, which started (almost) everything up for me.  My jails are
>> running, so my services are up, so I'm going to sleep on it.  I don't
>> have some commands like "ps" and "top" right now in the root OS (/dev
>> seems to be wedged), but at least I can poke around and look at some
>> files and see what happened, and then maybe fix it.
>
> Maybe post the setup of your disks. So people can take a look if your 
> commands are right or wrong.
> The output of 'gpart show' and 'gpart list' are a good starting point.

Agreed.  One thing that comes to mind is some older setups may only have 
32K freebsd-boot partitions, and gptzfsboot is 41K at present.  I'd 
expect an error on trying to install the bootcode, but have not tested 
it.