Ok How do I boot this monster?

[Baho Utot]

On 11/17/16 14:19, Warren Block wrote:
> On Thu, 17 Nov 2016, Baho Utot wrote:
>
>> Ok I have installed 11.0 latest memstick image.
>>
>> I patched/hacked bsdinstall ( /usr/libexec/bsdinstall/zfsboot) to 
>> install my zfs raidz2 using 800GB partitions.  And it even worked!
>>
>> Now I need to boot this monster as well as my current 10.0 version 
>> until I can build my desktop upon the raidz, then I will decommission 
>> the 10.0 version when the 11.0 version is up to snuff.
>>
>> I have boot0 install to ada0 which boots win7 and 10.0 freebsd.
>>
>> Can this also boot the raidz?
>
> No, boot0 is MBR-only.  The easiest way I see to do this is to install 
> gptzfsboot bootcode to the ZFS drives and choose one of them from the 
> BIOS boot menu.  Grub can multi-boot GPT also, although it needs a 
> small partition of its own.

I think the bsdinstall puts that code onto the zfs drives already or am 
I miss informed?

Would creating the raidz on MBR partitions be an answer?

Is there a HowTo that shows me how to setup grub if so I have some space 
left on the drives so I can give grub what it needs.