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The ExaGrid system is a “cost effective” and scalable backup to disk (B2D) solution that works with most of existing backup application (it does not provide a backup engine itself, but can use other programs with the requirement that they must be able to save the backup to a network share).

ExaGrid’s innovative approach minimizes the amount of data to be stored by providing standard data compression for the most recent back ups, along with byte level data deduplication for all previous backups. ExaGrid’s post-process deduplication technology stores changes from backup to backup instead of storing full file copies. This unique approach reduces the disk space required by at least 10, and up to 50 to 1, delivering unparalleled performance for the fastest backups and restores, all in a solution that costs the same as a new tape library.

See also those posts about their technology:

Info-Tech recently evaluated six competitors in the disk backup solutions market, including Data Domain, Dell (but this analysis does not include the DR4000), FalconStor, HP, Quantum and ExaGrid. ExaGrid once again was rated as a disk backup solutions “Champion” in the “Leading Vendor” category in the latest version of their report on “Vendor Landscape: Disk Backup.” According to this report, champions are vendors that “…offer excellent value. They have a strong market presence and are usually the trend setters for the industry.”

According to the report, “ExaGrid is a champion in disk backup due to the combination of its architecture and business strategy. The youngest company in the landscape, ExaGrid has differentiated itself with a unique product offering that brings a scalable storage node clustering (or grid) approach to the backup tier.” Info-Tech also noted that, “ExaGrid has differentiated itself through easy non-disruptive scalability and cost-effective options.”