Pervasive Data Volume Reduction: A High-Value Alternative to Aging Tape-Based Backup Technologies

摘要

Open systems tape backup processes, originally developed back in the late eighties, were designed to make optimum use of low-cost serial media; data and process efficiency took a second priority to the goal of keeping steady, continuous streams of data flowing to the tape. As a result, the backup process, even with modern enhancements, stores and manages ten times the amount of primary data being protected just in active (non-shelved) backup data volumes. While this data-intensive process worked well when data volumes were relatively small, as volumes continue to increase in the enterprise, this old-style backup process simply cannot keep up.