ZFS: Failed pool causes system to hang

[Tom Evans]

On Tue, Apr 9, 2013 at 1:38 PM, Quartz <quartz at sneakertech.com> wrote:
>> does losing the pool still
>> cause problems with root?
>
>
> Yes. At the moment, there's a single ufs disk that houses all the
> system/home/var/swap/etc stuff (no raid or dual boot or anything special).

Sorry, but you've not tested this. Your root is hanging off a
different controller to the others, but it is still using the same
ahci/cam stack. Is ahci/cam getting wedged, causing your root to get
wedged - irrespective of running on a different controller - or is ZFS
causing a deadlock.

Cheers

Tom