ZFS: unsupported ZFS version 5000 (should be 28)

[krad]

5000 sounds like a linuxzfs pool number to me, could that be a possibility?


On 2 August 2013 07:21, Tim Gustafson <tjg at ucsc.edu> wrote:

> I recently rebuilt my FreeBSD 8.4 OS and rebooted, and when the system
> came back up, it refused to mount the zpool because:
>
> ZFS: unsupported ZFS version 5000 (should be 28)
>
> I didn't upgrade my zpool as far as I know.  I tried booting off the
> latest 9.1 snapshot, but it also says that the zpool has a too-new
> version number and won't import it.
>
> I Google around and found a post about using gpart to update the boot
> code, which I tried with both the newest 8.4 release and also the
> newest 9.1 snapshot, just to make sure something wonky didn't happen
> with the disks.
>
> The good news is that I have relatively recent backups (yesterday
> evening) for this system, but I'm still totally confused as to what
> the heck happened.
>
> Is there some magic that I can type into a live boot CD to fix this
> problem without rebuilding the whole machine?
>
> --
>
> Tim Gustafson
> tjg at ucsc.edu
> 831-459-5354
> Baskin Engineering, Room 313A
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