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GDPS Family An Introduction to Concepts and Facilities by Sim Schindel, David Clitherow, Frank Kyne

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GDPS/Global Mirror
In this chapter we discuss the capabilities and prerequisites of the GDPS/Global Mirror (GM) offering.
The GDPS/GM offering provides a disaster recovery capability for businesses that have an RTO of as little as two hours or less, and an RPO as low as five seconds. It will typically be deployed in configurations where the application and recovery sites are more than 200 km apart and want to have integrated remote copy processing for mainframe and non-mainframe data.
The functions provided by GDPS/GM fall into two categories: ...

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