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Figure 41 HP D2D400x and 41xx Series Fan IN example
Fan IN and slot mapping: You may not want to replicate all the slots in a library. For example, if you
have weekly full backups and daily incremental backups, you may decide to only replicate the slots
that contain the full backups. You make this selection when you configure replication in the Web
Management Interface and it is called a slot mapping. That mapping can only be replicated to a
single Target Library, but that Target Library can hold multiple slot mappings from different Source
Libraries, which may also be from different Source Appliances.
Job concurrency
There is no limit on the number of replication jobs that the Target Appliance can handle, but there is
a limit on the number of jobs that can run concurrently.
• An HP D2D 250x Target Appliance can run three incoming replication jobs concurrently; a Source
Appliance can run one outgoing replication job.
D2D Backup System HP D2D4112 81
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