zfs discuss - Sep 2008 - doing HDS shadow copy of a zpool

I appologize if this has been answered already, but I''ve tried to RTFM
and
haven''t found much.  I''m trying to get HDS shadow copy to work
for zpool
replication.  We do this with VXVM by modifying each target disk ID after 
it''s been shadowed from the source LUN.  This allows us to import each 
target disk into the target diskgroup and then have its volumes mounted 
for backup over the network.  From what I can tell, each LUN in a zpool 
will have 2 256K vdev labels in the front and 2 at the end.  Is there a 
way to modify the vdev labels so that the target LUNs don''t end up with
the same zpool ID as the source LUNs?  Better yet, is there a way to 
import and rename a zpool that has the same exact id and name of an 
existing one?  As it stands now, after shadow copy, format can tell that 
each target LUN is labeled to be part of the source zpool, but that is 
invisibile to zpool import.

Thanks,

Chad
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