I've not attempted what you are trying to do but I know that you can add and remove CPG's from an active AO config as long as there are two CPG's present in the config at all times. I would think you should be able to follow a similar process to this:
1. Create a new CPG 2. Edit your AO config 3. Add the new CPG as Tier2 4. Remove the Tier0 CPG 5. Save the AO config 6. Delete the SSD CPG 7. Dismiss the PD's from the array (dismisspd) 8. Add the new SSD's (admitpd or admithw) 9. Create the CPG 10. Edit the AO config and add back in Tier0 and remove Tier2 11. Save the AO config 12. Modify your schedule (if required)
You mentioned that you have no VV's created in the SSD CPG but if AO has moved LD's to it then you will want to vacate thoes LD's back to the original CPG before doing anything, you can best do this by modifying your schedule.
_________________ Adam Berus - I.S. Tech Lead - Wolverine Worldwide Inc. x1-7200, x2-7400, x1-7450, x1-8400, x2-8440 3PAR Technologies: AFC, AO, FilePersona, RemoteCopy (RCIP)
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