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DR Series Software 4.0 - Administrator Guide

Introducing the DR Series system documentation Introducing the DR Series system Setting up the DR Series system Configuring the DR Series system settings Managing containers Managing replications Monitoring the DR Series system Using GlobalView Configuring and using Rapid NFS and Rapid CIFS Configuring and using Rapid Data Access with NetVault Backup and with 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 Support, maintenance, and troubleshooting Supported Ports in a DR Series System
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Focus is on backups with minimal overhead
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Accommodates larger data transfer sizes
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Provides throughput that is significantly better than CIFS or NFS
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RDA with OST and DMA integration:
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OpenStorage API enables the DMA-to-media server software communication
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DR Series system storage capabilities can be used without extensive changes to DMAs
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Backup and replication operations are simplified by using built-in DMA policies
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DR Series system and RDA with OST ports and write operations:
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Control channel uses TCP port 10011
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Data channel uses TCP port 11000
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Optimized write operations enable client-side deduplication
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Replication operations between DR Series systems:
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No configuration is required on the source or target DR Series system
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Replication is file-based, not container-based
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Replication is triggered by DMA optimized duplication operation
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DR Series system transfers the data file (not the media server)
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Once duplication completes, DR Series system notifies DMA to update its catalog (acknowledging the second backup)
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Supports different retention policies between source and replica
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Replication is set up in the DMA itself, not the DR Series system
Parent topic 

Guidelines

Guidelines

For best results, observe the following guidelines for optimal performance with your supported RDA with OST operations with the DR Series system:

Backup, restore, and optimized duplication operations need to be performed via the RDA with OST plug-in
 
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
Parent topic 

Terminology

Terminology

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

Term

Description

BE

Veritas 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, Veritas 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

Veritas 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 DR Series System Interoperability Guide.

The DR Series system licensing is all-inclusive, so that no additional 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. However, if you are using Veritas backup applications, you may need to purchase additional licensing to enable OpenStorage Technology; refer to your Veritas documentation.

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