Executive Summary
Storage administrators, already confronted with unprecedented data growth, now encounter
a new imperative: to discover and exploit efficiencies at every level, from storage
administration to data flow, in order to keep to an absolute minimum the amount of new
staff, hardware and software required to manage ever increasing volumes of data. The
Hitachi Adaptable Modular Storage 2000 family addresses the needs of growing businesses
by supporting operational efficiency at a high level and providing throughput and scalability
at every stage of growth.
Within the Adaptable Modular Storage 2000 family, the innovative architecture of the Hitachi
Dynamic Load Balancing Controller plays a pivotal role by automatically and dynamically
managing storage loads and dramatically simplifying storage administration, while providing
the superior levels of performance that growing businesses require. Its symmetric
active/active controller technology offers something unique: by decoupling the host system
from specific LUN assignments, I/O processes can be automatically routed along the most
efficient path, for unprecedented flexibility and optimized SAN performance.
This paper examines the complexity and management challenges presented by the current
storage landscape, the explosive growth of data storage requirements and what it all means
to businesses. In addition, the paper reviews various controller technologies as well as
issues faced by administrators working to optimize dynamic workloads. Finally, it provides a
detailed discussion of the Hitachi Dynamic Load Balancing Controller — a symmetric
active/active implementation — and its ability to simplify storage management, improve
efficiency and performance, and provide the capabilities required for future growth.
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