EFI/ZFS Update: successful tests, need more complex vdevs

[Renato Botelho]

> On Jan 15, 2016, at 10:22, Steven Hartland <killing at multiplay.co.uk> wrote:
> 
> On 15/01/2016 11:51, Renato Botelho wrote:
>>> On Jan 15, 2016, at 00:41, Steven Hartland <killing at multiplay.co.uk> wrote:
>>> 
>>> Just wanted to let everyone know that I just finished committing these changes to the tree.
>>> 
>>> Huge thanks to Eric's for his work on this, as well as everyone else who contributed.
>>> 
>>> I've set the target for MFC of 2 weeks, so I hope to be able to get this into stable/10 before the 10.3 slush, so if you're interested in this change please test a head build > r294068 ASAP.
>> Great work, thanks!
>> 
>> Is there a way to move a installed ZFS system to EFI?
> 
> All EFI needs is an valid EFI partition on a GPT disk and the updated loader.efi so if your devices is GPT based and you have space for an extra 800k partition then yes.
> 
> The following should be the basic steps you need (untested so backup your data)
> 1. gpart add -t efi -s 800k <dev>
> 2. gpart bootcode -p /boot/boot1.efifat  -i <idx> <dev>
> 3. Ensure your root filesystem has EFI ZFS boot compatible world e.g.
>     cd /usr/src && make buildworld -jXX && make installworld
> 
> If you have an active MBR then you will likely need to disable this as EFI seems to ignore disks with active MBR even if they have a valid EFI partition.
> 
> If you don't have space then you'll need to migrate to a difference device to change the disk partition layout.

Thanks. Worked fine!

--
Renato Botelho