From
11g above, you can use rman to duplicate database from an active database
instead of from a backup.
Two big disadvantages of the ACTIVE database duplication method are:
Two big disadvantages of the ACTIVE database duplication method are:
·
Negative performance impact on the source
database. This impact applies to the whole duplication time.
·
High network traffic on the connection between
the source and target databases.
Test envorinment:
Source
SID: testprd
host:192.168.96.3
Target
SID: testrman
host:
192.168.96.4