Dell DR4300e NetVault Backup - Best Practices for Setting up VTL Containers an - Page 3
Introduction
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Introduction Dell™ DR Series appliances are high-performance, disk-based backup-and-recovery appliances that deliver innovative features such as inline deduplication and compression, advanced data protection, and replication. Additionally, the management features, ease of deployment, and architecture that enables core backup data to remain on disk and online longer can help organizations reduce the complexity associated with backups. For most common data types, Dell recommends using Rapid Data Access (RDA). RDA provides closely knit integration with Dell™ NetVault™ Backup (NetVault Backup) and the DR Series appliance. This lets NetVault Backup use the DR Series appliance as a target location for either source- or target-side deduplication, which lets you finely tune backups to individual environments and requirements. DR series appliances typically reduce the quantity of data stored as backups by a 15:1 ratio as a result of deduplication and compression. When backing up data stored on a network-attached storage (NAS) device via Network Data Management Protocol (NDMP) RDA is not supported. For this use case, Dell recommends using either the DR native Virtual Tape Library (VTL Container), NetVault Backup's Virtual Tape Library (nVTL) or a Dell™ NetVault™ SmartDisk (NetVault SmartDisk) configured with the DR Series appliance. This document steps through the installation and configuration of a VTL for both the DR4000 and DR6000 Series appliances. • DR Virtual tape libraries (VTL Containers) on a DR Series appliance are used to replace or as a complement to a physical tape library as the primary storage target. Using a combination of a DR Series appliance for a primary backup-storage target and existing tape infrastructure for secondary backups provides a reliable, high-performance solution to meet legal obligations or business requirements for offsite storage, archiving, and disaster recovery. DR VTL Containers provide the most ideal VTL solution for NetVault because the VTL is created, maintained, and provided by the DR itself. Also, data is sent directly from backups clients to the DR VTL Container. Unlike the nVTL solution which depends on 3rd party communication protocols like CIFS or NFS. • NetVault Virtual tape libraries (nVTLs) written to a DR Series appliance are usually used to replace a tape drive or library as the primary storage target because the DR Series appliances can deliver full backups and restores more efficiently than traditional tape devices. Using a combination of a DR Series appliance for a primary backup-storage target and existing tape infrastructure for secondary backups provides a reliable, highperformance solution to meet legal obligations or business requirements for offsite storage, archiving, and disaster recovery. NetVault nVTL solutions should only be considered when DR VTL Containers will not meet customer needs. 3 Best practices for setting up Dell VTL Container or NetVault Backup native virtual tape library (nVTL)