So these issues ARE specific to RAC. Good to know. Not that I want to go to RAC if I can help it - "I probably don't need RAC" - and for my money I'd take out the 'probably". rjamya wrote: > db_file_multiblock_read_count ... unless the bug has been fixed, you > could lot of issues with global_cache_reads since they used teh > dbfmbrc parameter too. Since most of these (global*) are related to > clustered database that's why I specified RAC. > > How do I know? been there, suffered, logged bug, was told the > solution. The problem disappeared. > -- Regards Wolfgang Breitling Centrex Consulting Corporation www.centrexcc.com -- //www.freelists.org/webpage/oracle-l