About rman duplicate from active database to build dataguard, rmandataguard

About rman duplicate from active database to build dataguard, rmandataguard

For rman duplicate from active database, the actual operation is backup as copy. Many empty blocks will be copied. It is not recommended for those with database data files exceeding GB; to a large extent, it is subject to network bandwidth restrictions. Once an exception occurs, it is very painful to start from the beginning;
You can skip duplicate from active database when performing the restore uard operation, but you still need to stop using it. The most reliable thing is back up one with rman.

Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger.