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Administrator's Guide


Technical Changes for Version 5 Release 1--March 2002

The following changes have been made to the product for this edition:

Server-Free Data Movement
Server-free data movement uses the SCSI-3 extended copy command to do full-volume backup and restore. It provides the following advantages:

See Server-Free Data Movement and Chapter 7, Setting Up Server-Free Data Movement.

Changes in Defining Drives and Libraries

Device special file names and external library managers are now specified in the DEFINE PATH and UPDATE PATH commands, rather than in the DEFINE DRIVE, UPDATE DRIVE, DEFINE LIBRARY, and UPDATE LIBRARY commands.

See Chapter 5, Configuring Storage Devices. Also see Tivoli Storage Manager Administrator's Reference.

Moving Data by Node
You can use the MOVE NODEDATA command to move data in a sequential-access storage pool for one or more nodes, or move selected file spaces for a single node. You can also use MOVE NODEDATA to move data to another storage pool.

See Chapter 10, Managing Storage Pools and Volumes.

Support for Simultaneous Writes to Primary and Copy Storage Pools
You can specify copy storage pools in a primary storage pool definition. When a client backs up, archives, or migrates a file, the file is written to the primary storage pool and is simultaneously stored into each copy storage pool.

See Chapter 10, Managing Storage Pools and Volumes.

Data Validation with Cyclic Redundancy Checking
Tivoli Storage Manager provides the option of specifying whether a cyclic redundancy check (CRC) is performed during a client session with the server, or for storage pools. The server validates the data by using a cyclic redundancy check which can help identify data corruption. Data validation can be enabled for one or all of the following:

New Licensing Method
The new licensing method enables you to register the exact number of licenses that are required, rather than in increments of 1, 5, 10, and 50.

See Registering Licensed Features.

Support for Windows XP and Windows.NET Tivoli Storage Manager Backup-Archive Clients
Support is now added for Windows XP Tivoli Storage Manager backup-archive clients that run in 64-bit mode. New support is provided for Windows.NET Tivoli Storage Manager backup-archive clients that run in 32- and 64-bit mode. These two Windows platforms are a Unicode-only version of the client.

See Tivoli Storage Manager for Windows Using the Backup-Archive Clients.

Communication Method
Tivoli Storage Manager for Windows no longer supports the Internetwork Packet Exchange (IPX)/SPX and NETBIOS communication methods. The COMMMETHOD server option is updated to reflect this change.

See Tivoli Storage Manager Administrator's Reference.


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