Dell PowerVault LTO4-120HH Dell DR Series System Administrator's Guide - Page 129
OST Guidelines, OST Terminology, Shortened name for the Symantec DMA, Backup Exec BE.
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OST Guidelines For best results, observe the following guidelines for optimal performance with your supported OpenStorage Technology (OST) operations with the DR Series system: • Backup, restore, and optimized duplication operations need to be performed via the Dell OST plug-in NOTE: The Dell OST plug-in needs to be installed on client systems to support client-side deduplication. • Optimal supported aggregated throughput rates: - 3 Terabytes per hour (TB/hr) for passthrough write operations - 4 TB/hr for optimized write operations NOTE: Passthrough writes are when data is sent from a media server to the DR Series system without applying any optimization to the data. By contrast, optimized writes are when date is sent from a media server to the DR Series system after optimization is applied to the data. • Backup: - Passthrough writes - Optimized writes • Restore • Replication OST Terminology This topic introduces and briefly defines some basic OpenStorage Technology (OST) terminology used throughout the DR Series system documentation. BE DMA/DPA LSU Term media server NBU OST Description Shortened name for the Symantec DMA, Backup Exec (BE). Data Management Application (also known as Data Protection Application, which are terms for the role played by the Symantec NetBackup or Backup Exec applications. 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. This is the host running the DMA media server (NetBackup and Backup Exec), and is where the OST plug-in is installed. The OST plug-in can also be installed on a NetBackup client. Shortened name for the Symantec DMA, NetBackup (NBU). The OpenStorage Technology from Symantec™, which allows storage devices to deliver backup and recovery solutions with NetBackup. OST uses the OpenStorage API and a plug-in installed on either a Linux or a Windows-based media server platform. 129