Thanks for all reply. Regards Krishna On Wed, Aug 18, 2010 at 7:04 PM, April Sims <sims@xxxxxxx> wrote: > Krishna, > > I have tested this type of configuration but not in a production > environment..see the following Document on MOS. > > Data Guard Support for Heterogeneous Primary and Physical Standbys in Same > Data Guard Configuration [ID 413484.1] > > You will have to convert the word size to bring up a database (failover or > switchover) from 32-bit to 64-bit or vice versa. > > Changing between 32-bit and 64-bit Word Sizes [ID 62290.1] > > > > > > > > > April Sims > SELECT IOUG Contributing Editor > http://aprilcsims.wordpress.com > http://www.twitter.com/aprilcsims > Oracle Database 11g – Underground Advice for Database Administrators > https://www.packtpub.com/oracle-11g-database-implementations-guide/book > OCP 8i, 9i, 10g DBA > Southern Utah University > sims@xxxxxxx > 940-484-4276 > > > >>> KRISHNA MOORTHY <krish33moorthy@xxxxxxxxx> 8/17/2010 10:33 PM >>> > Hi All, > I have a doubt during the dataguard configuration in oracle 10g. > 1) We have primary server which is 32 bit Linux OS and 32 bit databae > server and standby server which is 64 bit Linux OS and 64 bit database > server.By using this DG configuration will it work properly. > 2) Generally Standby database in mount stage.Once switch over operation > happened,Standby will become primary database.During this time wheteher we > need to run catlog.sql and catproc.sql at the new primary server side.. > Regards > Krishna >