John, I once created a SR with a similar question (ASM: 10.2.0.4@Linux 32bit => 64 bit) and got the answer it is unsupported. as this was in pre-MOS time I do not find my old SR.#, sorry. We had to do a full restore. But, I did not test if it is possible ('unsupported' is a no-go here) hth Martin On Thu, Mar 4, 2010 at 20:43, John Smith <john40855@xxxxxxxxx> wrote: > We are looking at moving our 32 bit cluster on ASM to a 64 bit cluster on > ASM. Its a fairly large database, about 10 TB, and we are using EMC. We > want to use the EMC snapshotting capabilities to run a snapshot of the 32 > bit database, then recover it on our 64 bit server, or something along those > lines, then run utlip and catupgrd. We dont want to do an rman restore > because of the time involved to do a complete restore. Has anyone done > something like this? If so, do you remember any of the gotchas involved in > the operation? >