Mads Toftum wrote:
> On Thu, Nov 08, 2007 at 06:22:40AM -0700, Jerry Jelinek wrote:
>> For zones "update on attach" we are not supporting downgrading
>> a zone.  If you think you will want to migrate back, just leave
>> the original copy of the zone on the original machine and don't
>> boot it.
> That may be fine if you're copying to another system/diskset, but
> dangerous for those of us who want to boot our zones from SAN (to make
> migration super easy).
> Is this planned as a future enhancement?

Although downgrading the zone might work in some cases it
really unsupportable in the general case so we have no plans
to do it.  For the case you describe though, the easy thing
to do is just snap off a zone clone and update that.

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