If I set up gmirror for a SLICE, how do I set up the MBRs to both be bootable?

[Wojciech Puchar]

>>>                        ad8
>> there is definitely something wrong in this setup
>> 
>> i thing second line should be ad8s1 not ad8!
>> 
>
> OOPS!  I cut and pasted incorrectly.
>       Name    Status  Components
> mirror/gm0s1  COMPLETE  ad0s1
>                       ad8s1 
> Rudy
>
>
simply bsdlabel -B both ad0s1 and ad8s1, and get both bootable