through a network (see example 2 in Figure 1). This configuration is used by
Tivoli® Storage Manager (TSM).
• Configuring all of the servers to communicate with the library through a
single, common control path (see example 3 in Figure 1). This configuration is
used in high-availability environments such as High Availability Clustered
Microprocessing (HACMP™) from IBM and Systems Management Server (SMS) and
Clustered Server Environments from Microsoft®
(TM)
. Multi-initiator configurations
are only supported by certain adapters and ISVs. Check with your ISV.
• Configuring a single logical library to communicate with multiple servers
through multiple control paths. This configuration (see example 4 in Figure 1)
requires that you add control paths. It is used by Backup Recovery and Media
Services (BRMS).
Your library configuration is not limited to the examples shown in Figure 1. Many
configurations are possible, and you can design them according to your business needs.
Figure 1. Examples of configurations for sharing an IBM System Storage™ TS3500 Tape
Library. Lines from one or more drives to the library controller represent control paths.
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