Out of curiosity, what are those performance reasons and what level of gains have they shown from your testing? On Fri, Oct 22, 2010 at 9:27 AM, Haroon Qureshi <haroon.qureshi@xxxxxxxxx>wrote: > Hello, > > We would like to change the block_size on our DW from 16k to 32k for > performance reasons. Is there a way to use rman to move the data from > our old database on 16k to the new database on 32k? Or is > export/import the only option? > -- Regards, Greg Rahn http://structureddata.org