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DR Series Software 3.2.0.3 - Administrator Guide

Introduction to the DR Series System Documentation Understanding the DR Series System Setting Up the DR Series System Hardware Configuring the DR Series System Settings Managing DR Series Storage Operations Monitoring the DR Series System Using Global View Using the DR Series System Support Options Configuring and Using Rapid NFS and Rapid CIFS Configuring and Using Rapid Data Access with Dell NetVault Backup and with Dell vRanger Configuring and Using RDA with OST
Understanding RDA with OST Guidelines Terminology Supported RDA with OST Software and Components Best Practices: RDA with OST and the DR Series System Setting Client-Side Optimization Configuring an LSU Installing the RDA with OST Plug-In Configuring DR Series System Information Using NetBackup Backing Up Data From a DR Series System (NetBackup) Using Backup Exec With a DR Series System (Windows) Understanding the OST CLI Commands Understanding RDA with OST Plug-In Diagnostic Logs Collecting Diagnostics Using a Linux Utility Guidelines for Gathering Media Server Information
Configuring and Using VTL Configuring and Using Encryption at Rest Troubleshooting and Maintenance Supported Ports in a DR Series System Getting Help
 
NOTE: The RDA with OST plug-in needs to be installed on client systems to support client-side deduplication.
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Backup:
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Passthrough writes: Passthrough writes are when data is sent from a media server to the DR Series system without applying any optimization to the data.
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Optimized writes: Optimized writes are when data is sent from a media server to the DR Series system after optimization is applied to the data.
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Minimum client memory requirements:
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Minimum number of CPUs — Four (4) cores
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Minimum amount of free physical memory — 4 GB
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Terminology

Terminology

This topic introduces and briefly defines some basic RDA for OST terminology used throughout the DR Series system documentation.

Term

Description

BE

Symantec DMA, Backup Exec (BE)

DMA/DPA

Data Management Application (also known as Data Protection Application), which are terms for the role played by the backup applications used with RDA with OST; for example, Symantec NetBackup or Backup Exec.

LSU

Logical Storage Unit, which from the DR Series system perspective, represents any container created for data storage. LSU is a common storage term while container is a common term in DR Series systems that represents a location for storing data.

media server

This is the host running the DMA media server and is where the RDA with OST plug-in is installed. The RDA with OST plug-in can also be installed on a client.

NBU

Symantec DMA, NetBackup (NBU)

OST

The OpenStorage Technology from Symantec, which allows storage devices to deliver backup and recovery solutions with NetBackup. RDA with OST uses the OpenStorage API and a plug-in installed on either a Linux or a Windows-based media server platform.

Supported RDA with OST Software and Components

Supported RDA with OST Software and Components

For the list of supported DMAs and DR Rapid plug-ins, see the Dell DR Series System Interoperability Guide, at support.dell.com/manuals.

The Dell DR Series system licensing is all-inclusive, so that no additional Dell licensing is required to use RDA with OST or the optimized duplication capability. The RDA with OST plug-in that gets installed on a supported Linux or Windows media server platform is a free download from Dell. However, if you are using Symantec backup applications, you may need to purchase additional licensing to enable OpenStorage Technology; refer to your Symantec documentation.

Best Practices: RDA with OST and the DR Series System

Best Practices: RDA with OST and the DR Series System

This topic introduces some recommended best practices for using RDA with OST operations with the DR Series system.

OST and non-OST containers can exist on the same DR Series system. The DR Series system supports having both OST and non-OST containers on the same appliance. However, this can cause incorrect capacity reporting as both container types share the same underlying storage.
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OST replication and non-OST replication on the same DR Series system. Non-OST replication needs to be configured, and it is replicated on a per-container basis. However, this type of replication will not replicate OST containers. OST replication is file-based and is triggered by the DMA.
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Do not change the container connection type from NFS/CIFS to OST. A non-OST container must be deleted before this container can then be created as an OST container using the same name.
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