HP D2D D2D Best Practices for VTL, NAS and Replication implementations (EH985- - Page 61
g. SVTL1, SNASshare1, TVTL1, TNASshare1.
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Floating D2D method of seeding Many to Once Seeding with Floating D2D target - for large fan-in scenarios Co-location seeding at Source (remote) sites. Transport floating target D2D between remote sites then perform replication at the Data Center site. Repeat as necessary. 1. Initial backup at each remote site. 3. Move floating Target D2D between remote sites and repeat replication. 2. Replication to floating Target D2D over GbE at each remote site. 4. Take floating Target D2D to Data Center site. 5. Establish replication from floating D2D Target (now a Source) with Target D2D at Data Center. Delete devices on floating Target D2D. Repeat the process for further remote sites until all data has been loaded onto the Data Center Target D2D. You may be able to accommodate 4 or 5 site s of replicated data on a single floating D2D. 6. Establish final replication with remote sites. This ―floating D2D‖ method is more complex because for large fan-in (many source sites replicating into single target site) the initial replication set up on the floating D2D changes as it is then transported to the data center, where the final replication mappings are configured. The sequence of events is as follows: 1. Plan the final master replication mappings from sources to target that are required and document them. Use an appropriate naming convention e.g. SVTL1, SNASshare1, TVTL1, TNASshare1. 61