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  1. Home
  2. Veritas NetBackup™ in Highly Available Environments Administrator's Guide
  3. About site loss protection with auto image and catalog replication
  4. About NetBackup catalog replication
  5. About multi-site single domain replication
  6. About multi-site single domain with optimized duplication
Veritas NetBackup™ in Highly Available Environments Administrator's Guide

About multi-site single domain with optimized duplication

To configure a multi-site single domain with optimized duplication, the stretched SAN must be replaced with a connection between the OpenStorage devices carrying out optimized duplication. In this configuration, the geographical separation can be greater because smaller data volumes are exchanged between sites. Using the hierarchical duplication capability in storage lifecycle policies, it is possible to create backups in the OpenStorage device at one site. You can then duplicate the backups to the OpenStorage device at the other site and finally duplicate the duplicated copy to tape for long-term storage.

Figure: Multi-site single domain with optimized duplication displays how a replicated global cluster is configured with multi-site single domain with optimized duplication.

Figure: Multi-site single domain with optimized duplication

Multi-site single domain with optimized duplication

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