READ ONLY with backup optimization on

ENV:     11gR2 (11.2.0.2), Windows 2008 R2

Ran into the same problem that was posted on Hemant’s blog (http://hemantoracledba.blogspot.com/2010/05/read-only-tablespaces-and-backup.html) concerning an RMAN backup of READ ONLY tablespaces with backup optimization set to ON:

You can see the datafiles being backed up (using 11gR2 active duplicate feature):

backup as copy reuse
“D:\ORACLE\DATA\REPEMR95\LOGIC_IX.DB1”   datafile
14 auxiliary format
“D:\ORACLE\DATA\REPEMR95\LOGIC_IX.DB2”   datafile
15 auxiliary format
“D:\ORACLE\DATA\REPEMR95\LOGIC_RO.DB”   datafile
16 auxiliary format
“D:\ORACLE\DATA\REPEMR95\LOG_IXRO.DB”   datafile

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