Mark, Thank you, I would appreciate it very much. Bill Wagman Univ. of California at Davis IET Campus Data Center wjwagman@xxxxxxxxxxx (530) 754-6208 ________________________________ From: Mark Strickland [mailto:strickland.mark@xxxxxxxxx] Sent: Tuesday, February 19, 2008 4:38 PM To: William Wagman Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Question re Data Guard Configuration Bill, I have a step-by-step document that I put together to setup and test a 4-way configuration. I can send it to you privately, if you'd like. Mark Qpass, Seattle On Feb 19, 2008 3:09 PM, William Wagman <wjwagman@xxxxxxxxxxx> wrote: Greetings, I am new to Data Guard and have a question concerning configuration. I am running Oracle EE 10.2.0.3.0 on RHEL4 and setting up a physical standby. I haven't been able to find a specific answer to this question in the documentation and hoping someone can help. In the primary I the following is set... SQL> show parameter name NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_file_name_convert string /opt/oracle/edrs/, /opt/oracle /edrs/ db_name string edrs db_unique_name string edrs global_names boolean FALSE instance_name string edrs lock_name_space string log_file_name_convert string /opt/oracle/edrs/, /opt/oracle /edrs/ service_names string edrs I understand that on the standby server the db_unique_name must be unique but it is not clear to me whether the db_name,instance_name and service_names must also be unique. From some of the examples I have found it appears that the db_name and instance_name may be the same but I am not sure. I also don't find anything indicating that the service_names parameter must also be different on each node. It doesn't seem like it needs to be but I'm not sure. Any help appreciated. Thanks. Bill Wagman Univ. of California at Davis IET Campus Data Center wjwagman@xxxxxxxxxxx (530) 754-6208 -- //www.freelists.org/webpage/oracle-l