ZFS: unsupported ZFS version 5000 (should be 28)

[Ronald Klop]

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.

Ronald.