Overwrite ZFS zpool bootfs property during boot

[Philipp Wuensche]

krad wrote:
> 
> 
> 2010/1/4 Philipp Wuensche <cryx-freebsd at h3q.com
> <mailto:cryx-freebsd at h3q.com>>
> 
>     krad wrote:
>     >
>     > You can reset vfs.root.mountfrom from the loader prompt. However that
>     > wont help if the fs it totally hosed. The only way i know if to
>     boot in
>     > on another live os and reset the propery
> 
>     It also will not help if the zpool.cache or kernel is hosed. :-/
> 
>     My idea would be a menu in the loader where you could select a
>     zfs-dataset from which to boot.
> 
>     greetings,
>     philipp
> 
> 
> 
> much like opensolaris and the boot enviroments. Its dead easy to flip
> flop between os installations with grub

Exactly, thats why I wrote manageBE
http://anonsvn.h3q.com/projects/freebsd-patches/wiki/manageBE which is
the userland program for managing multiple boot-environments in FreeBSD.
But without selecting the boot-environment at the loader its only half
the fun! :-)

greetings,
philipp