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Administrator's Guide


Planning for Devices

You should make several operational decisions when adding devices.

  1. Determine if the drive is supported by the server. See http://www.tivoli.com/support/storage_mgr/tivolimain.html.
  2. Determine if the library is supported by the server. See http://www.tivoli.com/support/storage_mgr/tivolimain.html.
  3. Determine the device driver that supports the device.
  4. Determine whether client data is backed up directly to tape or to a storage hierarchy.
  5. Determine which client data is backed up to which device in environments using mixed device types.
  6. Determine if media will be managed by an external media manager like Removable Storage Manager (RSM).

For each device defined to the server, the server creates a storage pool, a collection of media for the device, for each device type detected. Determine the backup device for a client's data when that client is associated with a storage pool.

Tape drive performance often depends on the way that devices are positioned in the storage hierarchy and whether the server is a stand-alone implementation or a networked implementation. A Tivoli Storage Manager server in a stand-alone implementation can go directly to tape to reduce contention for disk resources. Networked Tivoli Storage Manager servers benefit from a storage hierarchy where files are backed up to disk and migrated to tape later. See Chapter 14, Implementing Policies for Client Data and Overview: The Storage Pool Hierarchy.


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