Root on zfs (stable9) - how to make it bootable

David Demelier demelier.david at gmail.com
Fri Feb 22 10:55:54 UTC 2013


Sorry didn't read that you have a MBR slice instead of GPT

then you should take a look at that one
https://wiki.freebsd.org/RootOnZFS/ZFSBootPartition


2013/2/22 David Demelier <demelier.david at gmail.com>

> There are a lot of example in gpart(8) man page. You should use it
>
> I think you should do something like
>
> gpart bootcode -b /boot/pmbr ada0
> gpart bootcode -p /boot/gptzfsboot -i 1 ada0
>
> (The second assume that you have a freebsd-boot as first index in ada0)
>
> Cheers,
>
>
>
> 2013/2/22 uki <ukaszg at gmail.com>
>
>> Hi,
>>
>> I want to install freebsd9 (stable) on zfs root, unfortunately my bios
>> is unable to recognize GPT discs.
>> I'm using MBR disc, with BSD slice (on mbr index 4) containing
>> freebsd-zfs filesystem.
>>
>> I've no idea how to make it bootable, I've tried using:
>>
>>   zpool export sys
>>   dd if=/boot/zfsboot of=/dev/ada0s4 count=1
>>   dd if=/boot/zfsboot of=/dev/ada0s4a skip=1 seek=1024
>>   zpool import sys
>>
>>
>> When I select F4 (slice with zfs) whilst booting the computer just turns
>> off.
>> How do I make it boot? Do I need freebsd-boot slice?
>>
>> I have set bootfs property on pool, and added vfs.root.mountfrom to
>> loader.conf.
>>
>>
>> Cheers,
>> Łukasz Gruner
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>
>
>
>
> --
> Demelier David
>



-- 
Demelier David


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