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Published on: June 2008
Type of content: WHITE PAPER
Format: Adobe Acrobat (.pdf)
Length: 7 pages
Price: FREE

Overview:
The benefits of data deduplication

Adding data deduplication to disk-based backup delivers three key benefits:

1. It provides a cost-effective way of retaining your backup data on disk for longer—months instead of weeks—making file restores fast and easy from multiple recovery points. By extending data retention periods on disk, your backup data is easily accessible for longer periods of time before archiving to tape. In this way, lost or corrupt files can be quickly and easily restored from backups taken over a longer time span. This in turn improves service levels, reduces the disruption to your business, and allows users to return to work more quickly.

2. Efficient use of disk-space effectively reduces the cost-per-gigabyte of storage and can postpone the need to purchase more disk capacity. For data center managers who worry about the floor space and energy consumption required by storage hardware as data growth continues to accelerate, the HP disk-based backup systems with deduplication also reduce the space and
power needs for a given volume of data.

3. Ultimately, data deduplication makes the replication of backup data over low-bandwidth WAN links viable (providing off-site protection for backup data) as only the changed data is sent across the connection to a second device (either a second identical device or one that comes from the same product family). Note that the HP StorageWorks D2D Backup Systems will not support data replication at introduction; however, this capability is under development for introduction later in 2008.