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IBM DS8870 Copy Services for Open Systems by Bertrand Dufrasne, Sherri Brunson, Don Skilton, Warren Stanley, Alexander Warmuth, Mark Wells

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Multi-site replication scenarios
This chapter describes three different multi-site replication scenarios for Open Systems environments. The first scenario is a data migration solution, where data migrates from one DS8000 pair to another pair while you maintain the existing data replication and data consistency. The other two solutions describe 4-site replication scenarios that you might use when you need the equivalent high availability (HA) function at the disaster recovery site as you have at your production site.
This chapter covers the following ...

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