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ExaGrid Systems, Inc. is a disk-based backup hardware company that was founded in 2002 and is headquartered in Westborough, Massachusetts, with several satellite offices throughout the United States, Europe and Asia. The company serves customers in a variety of major industry sectors. () == The ExaGrid disk-based backup system with data deduplication== The ExaGrid system is a turn-key disk backup with data deduplication appliance that works with existing backup applications (see List of backup software). ExaGrid combines the use of compression and byte-level data deduplication (sometimes called Capacity optimization) to minimize the amount of data stored. This works by using standard data compression for the most recent backups, along with saving only byte-level changes from backup to backup for all previous backups. This approach can reduce the disk space required for disk-based backup storage by 20 to 1. A second system can be installed at another location to supplement or eliminate offsite tapes, providing disk-based recovery in the event of a disaster. The byte-level data deduplication technology only moves changes over the Wide area network, reducing WAN bandwidth requirements. ExaGrid derives its name in part from the internal Grid computing architecture used. ExaGrid data deduplication servers virtualize into the GRID to present a single pool of memory, processor and disk storage. This allows the system to grow seamlessly as backup data grows, without degrading performance. About ExaGrid Systems, Inc. With more than 7,000 deployments worldwide, ExaGrid Systems is relied on by thousands of customers to solve their backup problems, effectively and permanently. ExaGrid's disk based, scale-out GRID architecture constantly adjusts to incessant growing data backup demands, and is the only solution that combines compute with capacity to permanently shorten backup windows and eliminate expensive forklift upgrades. ExaGrid is also the only solution to offer a landing zone retaining the most recent backups in their full un-deduplicated format for fast restores, fast offsite tape copies and fast instant recoveries. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ExaGrid」の詳細全文を読む スポンサード リンク
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