Dell DR4300 DR Series System Administrator Guide - Page 123

Guidelines, Terminology, Data Management Application also known as Data Protection

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- DR Series system storage capabilities can be used without extensive changes to DMAs - Backup and replication operations are simplified by using built-in DMA policies • DR Series system and RDA with OST ports and write operations: - Control channel uses TCP port 10011 - Data channel uses TCP port 11000 - Optimized write operations enable client-side deduplication • Replication operations between DR Series systems: - No configuration is required on the source or target DR Series system - Replication is file-based, not container-based - Replication is triggered by DMA optimized duplication operation - DR Series system transfers the data file (not the media server) - Once duplication completes, DR Series system notifies DMA to update its catalog (acknowledging the second backup) - Supports different retention policies between source and replica - Replication is set up in the DMA itself, not the DR Series system 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. • Backup: - 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. - 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. • Minimum client memory requirements: - Minimum number of CPUs - Four (4) cores - Minimum amount of free physical memory - 4 GB Terminology This topic introduces and briefly defines some basic RDA for OST terminology used throughout the DR Series system documentation. Term BE DMA/DPA Description Symantec DMA, Backup Exec (BE) 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. 123

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–
DR Series system storage capabilities can be used without extensive changes to DMAs
–
Backup and replication operations are simplified by using built-in DMA policies
•
DR Series system and RDA with OST ports and write operations:
–
Control channel uses TCP port 10011
–
Data channel uses TCP port 11000
–
Optimized write operations enable client-side deduplication
•
Replication operations between DR Series systems:
–
No configuration is required on the source or target DR Series system
–
Replication is file-based, not container-based
–
Replication is triggered by DMA optimized duplication operation
–
DR Series system transfers the data file (not the media server)
–
Once duplication completes, DR Series system notifies DMA to update its catalog (acknowledging the second
backup)
–
Supports different retention policies between source and replica
–
Replication is set up in the DMA itself, not the DR Series system
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.
•
Backup:
–
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.
–
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.
•
Minimum client memory requirements:
–
Minimum number of CPUs — Four (4) cores
–
Minimum amount of free physical memory — 4 GB
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.
123