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The StorageTek SL150 Modular Tape Library 1-1
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The StorageTek SL150 Modular Tape Library
This chapter provides an overview of the major hardware components of the
StorageTek SL150 Tape Library. The library combines the well-known strong suits of
automated tape storage with low initial cost and industry-leading scalability. Tape
provides economical data consolidation and reliable data protection and retention.
Modular design—base unit plus optional expansion modules—and industry standard,
483-mm (19-in) rack mounting provide growth potential. You can expand the capacity
of the library as your data grows.
Understanding Basic SL150 Concepts
This section introduces basic concepts that underlie the design and functionality of the
SL150 library. These include:
■ Automatic Operation
■ Roles and Role-Based Access Control
■ Unified Control and Data Path
■ Partitioning
■ Browser-Based Administration and Monitoring
■ Customer Serviceability.
Automatic Operation
The SL150 Modular Tape Library is designed to operate automatically, under the
control of a host-resident, storage-, archive-, or backup-management application, such
as Oracle Secure Backup. Under normal circumstances, the SL150 library requires little
or no operator intervention. Library robotics handle all cartridge movement within the
library under application control. Host-application storage catalogs remain consistent
and seldom require physical audits of the library contents.
Roles and Role-Based Access Control
Controlling access to library interfaces and controls is critical to the integrity of stored
data and to the efficient administration of library resources. Restricting access to user
interfaces that move or modify storage media protects data from inadvertent damage
and unauthorized access. But restricting user access excessively may also impede
necessary library management, maintenance, and troubleshooting. To manage these
conflicting demands efficiently, the SL150 user interfaces implement Role-Based Access
Control (RBAC).
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