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Best practices for setting up Dell VTL Container or NetVault Backup native virtual tape library (nVTL)

• NetVault SmartDisk is a NetVault Backup technology that is occasionally considered for use

in conjunction with the DR Series appliance. NetVault SmartDisk is a post-process, target-

side deduplication technology that can be conﬁgured to perform deduplication while data

is being written to disk. Because the DR Series appliance provides deduplication of the

data coming into it, using both technologies generates a signiﬁcant input/output (I/O) load

with minimal storage savings. However, you can disable SmartDisk deduplication if you

want to use the DR Series appliance to provide a disk-storage target for storing backups. In

this case, replication from the DR Series appliance is not available and you might prefer to

create and use a nVTL to retain use of replication. (Dell DR VTL Container technology does

not currently support Replication of VTL data.)

This document is intended for technical sales, solution architects, backup administrators,

system administrators, and IT managers who need to understand how to design and deploy

a DR Series appliance with NetVault Backup and a VTL. Readers should have a working

knowledge of the DR Series appliance and NetVault Backup, as well as related best practices

for backup and disaster recovery operations.