HP D2D HP D2D Backup System Concepts guide (EH985-90915, March 2011) - Page 27

Many to One example

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library on the HP StoreOnce Backup System in Office A. A replication license is required for both HP StoreOnce Backup Systems. Figure 11 Active to active replication example Many to One example In the following example a company has two remote offices and a central data center. There are small HP StoreOnce Backup Systems in each remote office which host Replication-Source Libraries and Shares for backup from local host machines. In the data center there is a larger StoreOnce Backup System that is used solely to host Replication-Target Libraries and Shares for the remote offices. A replication license is required only for the HP StoreOnce Backup System in the Data Center. That license covers all Replication-Target libraries and shares. This is also a good example of slot mapping. Library 2 on the Target Appliance is being used as a Replication-Target Library by Replication-Source libraries in Office A and Office B. The Replication-Source library in Office A is replicating two slots (colored red), while the Replication-Source library in Office B is replicating five slots (colored red). Replication deployment strategies 27

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library on the HP StoreOnce Backup System in Office A. A replication license is required for both
HP StoreOnce Backup Systems.
Figure 11 Active to active replication example
Many to One example
In the following example a company has two remote offices and a central data center. There are
small HP StoreOnce Backup Systems in each remote office which host Replication-Source Libraries
and Shares for backup from local host machines. In the data center there is a larger StoreOnce
Backup System that is used solely to host Replication-Target Libraries and Shares for the remote
offices. A replication license is required only for the HP StoreOnce Backup System in the Data
Center. That license covers all Replication-Target libraries and shares.
This is also a good example of slot mapping. Library 2 on the Target Appliance is being used as
a Replication-Target Library by Replication-Source libraries in Office A and Office B. The
Replication-Source library in Office A is replicating two slots (colored red), while the
Replication-Source library in Office B is replicating five slots (colored red).
Replication deployment strategies
27