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ORA-00020 on DUPLICATE DATABASE

edited May 27, 2016 5:00AM in Database Administration (MOSC) 8 commentsAnswered

Oracle 11.2.0.4.0 SE-One, 64-bit

Oracle GI 11.2.0.4 standalone - no RAC no clustering of any kind.

Oracle Linux 5

Oracle Linux 6

Migrating database from old OL5 to new OL6.   In order to break from several 'sins of the past' - especially in regards to ASM DG configuration, we (my SA and I)  have done the following:

- Build new OL6 server

- Allocate ASM disks, using multipath. No asmlib

- Install GI, allocate DG

- Install rdbms

- Use rman DUPLICATE DATABASE to create copies of the db on the new server.

In addition to allowing us to easily move to a better ASM configuration it allows us also leave behind a lot of detritus that accumulates over the years with multiple, sequential DBAs.  And as a big plus, it allows several 'dry runs' without impacting the existing databases.

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