On non-RAC, you would shut down the database, startup mount, then alter database archivelog; alter database open; I don't know whether there are special considerations for RAC. You also want to make sure that log_archive_start = TRUE in your initialization parameter file. Paul Baumgartel CREDIT SUISSE Information Technology DBA & Admin - NY, KIGA 1 11 Madison Avenue New York, NY 10010 USA Phone 212.538.1143 paul.baumgartel@xxxxxxxxxxxxxxxxx www.credit-suisse.com -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of vikram singh Sent: Tuesday, April 25, 2006 3:49 PM To: oracle-l@xxxxxxxxxxxxx Subject: RAC - NOARCHIVELOG to ARCHIVELOG migration Hi all, I am currently on a RAC database with NOARCHIVELOG option. I want to make the database to ARCHIVELOG mode. Please instruct me as to how to proceed. Any advice is welcome. Thanks in advance. ============================================================================== Please access the attached hyperlink for an important electronic communications disclaimer: http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html ==============================================================================