Backup Storage Solutions and Deduplication Techniques

This document is a technical report that discusses various backup storage solutions and the implications of different deduplication techniques. It outlines the challenges associated with low-cost primary storage disks, particularly in terms of long-term costs and performance, especially when considering data deduplication and encryption processes. The report details how organizations often miscalculate their storage needs, leading to significant overspending over time. It also examines inline, scale-up deduplication appliances and their impact on backup performance, noting that while they can reduce storage costs, they significantly slow down backup and restore operations. Furthermore, the report introduces ExaGrid's Tiered Backup Storage solution, which addresses the limitations of traditional methods by offering a scale-out architecture that maintains performance while providing cost-effective deduplication. The document concludes by emphasizing the importance of understanding storage requirements and the benefits of a well-planned backup strategy.