WHITE PAPER

Deduplication Storage for Nearline Applications

Data deduplication can significantly lower both capital and operating costs in the data center by reducing the amount of storage required to serve nearline applications, simplifying and consolidating nearline storage and enabling more efficient disk-based deployments.

Data Domain deduplication storage systems serve as a superior host for nearline data because of key technological advantages, including:

Global Compression^TM - Data Domain's high-speed inline deduplication offers data reduction for all nearline application data
Data Invulnerability Architecture - Continuous fault detection and healing, end-to-end verification and RAID-6 combine for the highest levels of data integrity
Efficient Replication for Disaster Recovery - Only the deduplicated, unique changes are sent across an IP network, requiring a tiny fraction of the bandwidth, time and cost, compared to traditional replication methods.
Snapshots - Data Domain snapshots are highly flexible, and because of deduplication, keeping many snapshots is affordable.
Data Domain Retention Lock Software - Easily implement deduplication with file locking to satisfy IT governance and compliance policies.

Because of the emergence of a new, broadly-used tier of storage based on ATA drives in RAID configurations, data stored for light use, reference, backup and archiving has moved from expensive primary storage and awkward tape storage to nearline networked disk storage.

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