SQL> startup
ORACLE instance started.
Total System Global Area 1068937216 bytes
Fixed Size 2262048 bytes
Variable Size 624954336 bytes
Database Buffers 436207616 bytes
Redo Buffers 5513216 bytes
ORA-00214: control file '+DGDUP/control01.ctl' version 1960 inconsistent with file '+DGDUP/control02.ctl' version 1956
ORACLE instance started.
Total System Global Area 1068937216 bytes
Fixed Size 2262048 bytes
Variable Size 624954336 bytes
Database Buffers 436207616 bytes
Redo Buffers 5513216 bytes
ORA-00214: control file '+DGDUP/control01.ctl' version 1960 inconsistent with file '+DGDUP/control02.ctl' version 1956