Also using it with no problems. Daily level 1 backups on a 7+ TB database would not be feasible without it. [10.2.0.4 RAC with physical standby and backups from primary.] From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of TESTAJ3@xxxxxxxxxxxxxx Sent: Tuesday, November 02, 2010 3:18 PM To: oracle-l@xxxxxxxxxxxxx Subject: block change tracking? Anyone using it successfully? I see a blog: http://sai-oracle.blogspot.com/2010/09/beware-of-data-loss-in-bct-based-rman.html but it read only as an issue with standby databases? thanks, joe _______________________________________ Joe Testa, Oracle Certified Professional Senior Engineering & Administration Lead (Work) 614-677-1668 (Cell) 614-312-6715