GEOM_CONCAT odd behaviour

[Ryan Stone]

On Tue, Apr 8, 2014 at 2:46 PM, John <freebsd-lists at potato.growveg.org> wrote:
> yeah - might be significant that this started (on another machine) after
> the upgrade from 9.2 to 10-R. In any case, loading the module via
> loader.conf will work. It's just that it used to work by compiling it
> into the kernel.

I believe that setting the tunable:

kern.geom.label.disk_ident.enable=0

should fix your issue.