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The Backstore Engine

This chapter describes the Backstore Engine, its parmlib attributes, and how these attributes can be used to manage and automate its actions. The following sections describe these attributes and automation, provide a recommended setup for the Externalization Servers, and other topics related to the Backstore Engine.

This section contains the following topics:

Starting, Stopping, and Restarting the Backstore Engine

Backstore Tape Capacity and Usage

Externalization Server Subgroup Queue Management

Default Group and Subgroup

Subgroup Automation

Overriding and Resetting Subgroup Automation

Configuring the Backstore Engine in Primary and Failover Roles

Backstore Externalization Throughput

Export Tapes

Releasing Tapes from Backstore Processing

Limiting the Number of Tape Drives used by the Backstore Engine

Automatic Recall Source Switching

Allocation Logic - CA MIM or IBM GRS Support

USS Backstore