> The other way that the global zone identity normally leaks through to the 
> non-global zones is through the system's hostid.  So if you compare the 
> output of `/usr/bin/hostid` with `for e in $allglobalzones ; do ssh $e 
> /usr/bin/hostid ; done`, you can easily see which global zone matches your 
> local.
> That's also a way for your application administrators (using 
> application-level clustering) to verify that they are not running on the same 
> physical node.  If their hostids are different, they're different.

This is not always reliable.  S8 and S9 branded zones have configureable
hostids, and in the future this is likely to be available for native zones.

-Steve L.

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