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Migrating to Oracle Database 11g Using Enhanced Remote Mirroring With Transportable Tablespaces on DS4000 and DS5000

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Executive Summary

Migrating a database system to a new release of Oracle has traditionally required an outage of the database. This requirement can be problematic with a production database. By combining the Enhanced Remote Mirroring (RM) premium feature of the IBM DS4000 storage subsystem and IBM DS5000 storage subsystem with Oracle's Transportable Tablespace technology, no outage is required. For example, one can migrate from Oracle Database 10g to Oracle Database 11g without taking the production database offline.

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