On 25 jan 2010, at 14:01, Jerry Jelinek wrote:

> On 01/25/10 04:30, Paul van der Zwan wrote:
>> I have upgraded my Opensolaris system to b131 and followed the zoneadm 
>> detach/attach -u procedure to upgrade my zones
>> to b131 as well. Unfortunately I am running into bug 6912829 ( causes panic 
>> on zoneadm halt ) quite often.
>> Downgrading the global zone by beadm activating my old be is easy. But how 
>> do I get my zones back ?
>> Zoneadm attach complains that the zone is a newer rev than the global zone 
>> and that the global zone should be upgraded…
> Unfortunately it sounds like you detached your zones
> before doing the image-update.  If you do the image-update,
> then reboot, then detach/attach, then you will have a zone
> root for each BE and booting back is no problem.  However,
> if you detach before the image-update, then you only have
> one zone root and once you've updated that to match the
> new BE, then there is no way to downgrade it if you boot back.

Ok that’s what I did. Detach first and then the image-update. 
I saw a workaround for the panics so downgrading may be less important, but 
I’ll have
to change my procedure the next update.
Do you know of an ‘official’ zones/beadm/image-update doc that explains the 
correct procedure somewhere ? 

> Jerry
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