Tivoli Storage Manager for Windows: Administrator's Reference


Changes for Version 4 Release 1--July 2000

The following changes have been made for this edition:

Support for Mobile Clients
When a client's file has been previously backed up, Tivoli Storage Manager can make subsequent backups to the portion (a subfile) of the file that has changed, rather than the entire file.

This enhancement makes it possible for remote or mobile users using modems with limited bandwidth to reduce connection time, network traffic, and the time it takes to do a backup. This enhancement also uses encryption to protect client's data.

See the following new command for details:

SET SUBFILE

See the following changed commands for details:

DEFINE CLIENTOPT
QUERY STATUS

Support and Enhancements for Windows 2000
Removable Storage Manager (RSM) is a service included with Windows 2000 that facilitates communication among applications, robotic changers, and media libraries. It enables multiple applications to share local robotic media libraries and tape or disk drives, and manage removable media with a single-server system.

See the following changed commands for details

DEFINE DEVCLASS
UPDATE DEVCLASS
DEFINE LIBRARY
QUERY LIBRARY

Managed System for SAN Environments
Tivoli Storage Manager has been enhanced to support LAN-free data movement in storage area network (SAN) environments. Support is currently limited. The support allows client data to move directly from the client system to a server-managed storage device on the SAN, instead of moving first from the client system to the server over the LAN and then to the device. This enhancement reduces data movement on the LAN so that more bandwidth is available to other applications. This enhancement also increases tape library sharing for multiple TSM servers.

See the following new commands for details:

DEFINE DRIVEMAPPING
DELETE DRIVEMAPPING
QUERY DRIVEMAPPING
UPDATE DRIVEMAPPING

See the following changed commands for details:

DEFINE LIBRARY
QUERY LIBRARY
UPDATE LIBRARY
CHECKIN LIBVOLUME
CHECKOUT LIBVOLUME
LABEL LIBVOLUME
QUERY LIBVOLUME
UPDATE LIBVOLUME

Storage Area Network (SAN) Tape Library Sharing
Tivoli Storage Manager takes advantage of SAN-attached tape libraries by sharing devices among TSM servers that use the same operating system. One of the servers acts as the library manager and the other servers are library clients.

See the following changed commands:

DEFINE LIBRARY
UPDATE LIBRARY

A New Method to Format the Database and Recovery Log
The dump, format, and load procedures used for the Tivoli Storage Manager database can create problems when the database is initially installed on a previous version of TSM and new defaults are added in a later version. To avoid these potential problems, a new DSMSERV utility, DSMSERV LOADFORMAT, is provided that will format the database and recovery log specifically for load and will not initialize the defaults.

See the following new command for details:

DSMSERV LOADFORMAT

See the following changed commands for details:

DSMSERV RESTORE DB
DSMSERV LOADDB
DSMSERV DUMPDB


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