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  1. Home
  2. NetBackup™ Backup Planning and Performance Tuning Guide
  3. Media configuration guidelines
  4. About NetBackup media manager tape drive selection
NetBackup™ Backup Planning and Performance Tuning Guide

About NetBackup media manager tape drive selection

When NetBackup Enterprise Media Manager (EMM) determines which storage unit to use, it attempts to select a drive that matches the storage unit selection criteria. The criteria, for example, may be media server, robot number, robot type, or density.

Note the following:

  • EMM prefers loaded drives over unloaded drives (a loaded drive removes the overhead of loading a media in a drive).

  • If no loaded drives are available, EMM attempts to select the best usable drive that is suited for the job.

  • In general, EMM prefers non-shared drives over shared drives, and it attempts to select the drive that was least recently used.

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