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Backup Deduplication

Reduce backup volume and improve backup speed

Data deduplication (often called "intelligent compression" or "single-instance storage") is a method of reducing storage needs by eliminating redundant data. Only one unique instance of the data is actually retained on storage media, such as disk or tape. Redundant data is replaced with a pointer to the unique data copy. For example, a typical email system might contain 100 instances of the same one megabyte (MB) file attachment. If the email platform is backed up or archived, all 100 instances are saved, requiring 100 MB storage space. With data deduplication, only one instance of the attachment is actually stored; each subsequent instance is just referenced back to the one saved copy. In this example, a 100 MB storage demand could be reduced to only one MB.

Data deduplication offers other benefits. Lower storage space requirements will save money on disk expenditures. The more efficient use of disk space also allows for longer disk retention periods, which provides better recovery time objectives (RTO) for a longer time and reduces the need for tape backups. Data deduplication also reduces the data that must be sent across a WAN for remote backups, replication, and disaster recovery.

Avax offers both hardware and software deduplication solutions:

Hardware deduplication

Spectra Logic nTier

SPECTRA nTIER Family of Products

The easy way to add disk-to-disk-to-tape to your current backup system. The nTier unit provides tape library emulation and interim high speed backup before the de-duplicated data is archived to tape.  Use your existing tape library and backup software while gaining the speed and advantages of disk-to-disk backup and rapid restores.

For more information on the nTier family, please click here


Tandberg Data - hardware deduplication

DPS1000 Series VTL

By using high-performance, cost-effective disk storage to emulate a traditional tape library, the DPS1000 Series VTL optimizes performance of data management operations, providing almost immediate access to data and dramatically reducing backup and recovery time.  The DPS1000 series does not offer deduplication - instead it uses 10 to 1 Lempel-Ziv Dynamic Data Compression where each virtual cartridge is compressed up to 10-1 and tuned to be archived to physical tape.  The DPS compression is executed "on the fly" during the write of the DPS Vtape.

The DPS1000 series is designed to work exclusively with Tandberg tape libraries.

For more information on the DPS1000 series, please click here

Software deduplication

Windows backup with deduplication

dSShield Windows backup with deduplication

dS Shield™ Product Family

dataStor Shield™ Windows backup software offers support for everything from a desktop PC to an entire enterprise.  Data deduplication is standard, offering significant reductions in the amount of data being copied and the time taken to complete the backup.

For more information on dSShield, please click here



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