IBM Data Replication's CDC News
If you're looking for an excellent way to replicate changed data from a wide range of databases into a Netezza appliance, you can do so through InfoSphere Data Replication. The latest release provides an Apply program that is both native to Netezza and optimized for Netezza targets. This Apply is built from Data Replication's CDC technology and is also compatible with the CDC technology found in InfoSphere Change Data Capture and InfoSphere Classic Change Data Capture for z/OS. This means you can replicate data to Netezza from source databases ranging from Oracle, DB2, and others on UNIX or Windows to DB2* and IMS on the mainframe. Ordering information can be found in the Data Replication announcement letter on ibm.com.
* Data Replication's CDC Apply program cannot be used to feed changed data to the IBM DB2 Analytics Accelerator (IDAA).
With the announcement of InfoSphere Data Replication 10.1.2, IBM added a product called InfoSphere Data Replication for Database Migration. This new product is a tool to help you with hardware and database upgrades. It is intended for short-term use. For example, if you're upgrading to a totally new hardware platform, the new Data Replication product keeps two copies of your database in sync - one copy on your old hardware and the other on your new hardware. This gives you the time you need - a few weeks or several months - to migrate and test applications before you turn off the old hardware. A similar scenario is possible if you're just upgrading databases or if you're upgrading hardware and databases simultaneously.
The first release of the new product is available for three different combinations of source and target databases (three different from and to combinations):
It provides only the data replication function needed for database migration. Specifically:
Note that there are two licensing differences for this Data Replication product when compared to many other products. First, this one is licensed by target server install instead of a PVU (processor value unit) count. That means for each target install you license, you can install at a single source for no additional charge. Second, IBM does not offer a non-production version. Therefore, you buy the same product for both production and non-production uses. This isn't bad since this database migration product is significantly cheaper than the full Data Replication product. To verify these licensing points and others, always see the the license file on ibm.com as the official word in how licensing works.
If you have questions, feel free to post them to the message board.
This post is the answer to one of the FAQs found in