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Adding a VTL Partition
Add a VTL partition to present the storage capacity of the ETERNUS CS800 as a VTL
partition that is compatible with standard backup applications. You can add up to 64 parti-
tions. When you add a partition, you must specify the type of physical library to emulate and
configure virtual tape drives and storage slots.
The number of virtual tape drives (VTDs) totaled across all configured partitions must not
exceed a maximum value. The maximum number of VTDs allowed varies depending on the
system configuration.
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The maximum number of virtual tape drives allowed per VTL partition is 80 VTDs.
A virtual tape drive is considered active if a cartridge is loaded in the VTD. Make sure to
configure the backup application software so that the maximum number of active VTDs is
not exceeded at any time. Exceeding the maximum number of active VTDs may cause
backup jobs to time out.
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CAUTION!
Make sure the backup application on the host is configured for the correct number
of tape drives and storage slots emulated by the VTL partition. If you do not, the
backup application might not operate correctly.
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If you plan to replicate partitions to another system, make sure that every partition
name and barcode number on each system is unique. There cannot be duplicate
partition names or barcode numbers on the ETERNUS CS800 or on a system
receiving a replicated partition.
To add a VTL partition:
1. Click Add.
The Add VTL Partition & Replication Settings page displays (see Figure 133).
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