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Top 8 Deduplication Software Tools

Dell EMC AvamarDell EMC PowerProtect DD (Data Domain)NetApp FAS SeriesHPE StoreOnceVeritas NetBackup ApplianceBarracuda BackupDell EMC Data Domain BoostDell EMC PowerProtect Data Manager
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    The installation process is pretty straightforward. We are talking about a complete end-to-end solution which comes with its own hardware storage to back up the data on tape-less.
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    The most valuable features of this product are its guaranteed reliability and its duplication capability.The stability is excellent.
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    The solution is stable.The solution is easy to use.
  5. Deduplication and compression are in a good ratio. It supports the HPE Catalyst protocol, which is much faster than NFS and other protocols. We use CommVault and Veeam, and these two solutions support the Catalyst protocol very well and are integrated at high speed. It is faster than normal access.
  6. We find the pricing is reasonable. This is a good backup interconversion solution because all the masters and the targets backups are on the same system. It is easy to administrate for a single point of access for clients.
  7. The backup feature is most valuable. That's why we took it.It is very reliable, so we don't have any issues with it. Our customers have never raised any issue with it. Basically, once you set it up and it is running, it is trouble-free. Our customers are happy. They just got a renewal for the subscription for the service.
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  9. The solution is very good because it is easy to use and it speeds up the backup and lowers the requirement for the storage rate. It is capable of encryption, compression, and deduplication and it is fast for sending all of the data over the network because it sends only the change blocks from the client to the DD server.
  10. The deduplication is the most valuable feature because it helps to control the overhead. I would say flexibility is the most important feature of the product. The performance and speed are the best on the market.

What is deduplication software?

Deduplication software is software that analyzes data to pick up duplicated byte patterns. This type of software verifies that the single-byte pattern is correct, and then uses the stored byte pattern as a reference. You will likely discover that deduplication software companies use fuzzy and phonetic matching technology to tackle dissimilarities between data sources to identify data that has been duplicated.

How does deduplication software work?

The process of deduplication involves creating and comparing different “chunks” or groups of data. Deduplication software allows you to run both inline deduplication and post-processing deduplication.

No matter which option you choose, the deduplication steps operate in the same way. Every deduplication system decomposes data into chunks, after which the process of analysis can begin. An algorithm is then used to create a hash (a specific set of numbers and letters used to identify the data that acts as a unique signature) for each chunk. When a change is made to the data, large or small, it causes the hash to also change. If two different chunks have the same hash, they are considered identical, making one of them redundant. When a chunk is identified as redundant, it will then be replaced by a small reference that points to the stored chunk.

The goal of deduplication software is to delete extra copies of the same data, leaving only one copy for storage.

Why is deduplication needed?

Deduplication is critical for businesses because it provides a way to effectively and efficiently manage backup activity, ensures cost savings, and creates load balancing benefits. Because the same byte pattern can occur up to hundreds or thousands of times, reducing the amount of data that is transmitted across networks can significantly improve backup speeds in addition to saving money on inflated storage costs. In addition, data duplication effectively decreases how much bandwidth is wasted when transferring data to or from remote storage locations.

How is deduplication performed?

The way deduplication is performed will depend on the task:

  • Query-based: Repeating values are common in a relational database which can be removed via a query or a script.
  • ETL (extract, transform, load) process: In this process, data is held in a staging layer after being imported and is then compared to other available resources.
  • File-based: This deduplication performs direct comparisons of both imported and existing files.

What are the types of deduplication?

There are several different types of deduplication, including:

  • Source-side deduplication: This is the process of deleting duplicate data and thereafter transferring that data to a backup device.
  • Target-side deduplication: In contrast to source-side deduplication, this type of deduplication transfers the data to a backup device before deleting the duplicate data when storing.
  • Inline deduplication: Removing duplicate data before it is written to a disk.
  • Post-processing deduplication: Just like it sounds, this method of deduplication starts after data is already written to a disk.
  • Adaptive data deduplication: Online deduplication is used when an environment has low-performance requirements and post-processing deduplication is adopted for high-performance requirements.
  • File-level deduplication: This type of deduplication is also referred to as single-instance storage (SIS). It is used for storing files according to the index and is compared to the existing stored file. If no similar file can be found, it is stored and updated in the index.
  • Block-level deduplication: Files are categorized into blocks and compared by fixed or indefinite lengths or by hash values of the stored block.
  • Byte-level deduplication: This form of deduplication is sourced and deleted from the byte level. It compresses and stores data via algorithms.
  • Local deduplication: Duplicate data is only compared with the data that is in the current storage device.
  • Global deduplication: When searching for duplicated data, this method of deduplication compares data in all devices within the entire deduplication domain.

Benefits of Deduplication Software

The benefits of deduplication software span beyond just improving data and maintaining a database. They include:

  • Improved ROI: The need to buy and maintain less storage helps generate a faster return on investment.
  • Flexibility: Deduplication software works with almost all backup programs and allows you to perform backups from anywhere.
  • Improving data quality: Deduplication effectively increases network bandwidth since duplicate data is not transmitted across networks.
  • Saves storage space: Removing redundant data and reducing the amount of data transit makes it possible to free up 30%-95% of storage space.
  • Reduction in cloud storage costs: As companies move their data over to virtual cloud environments, deduplication saves both money and time.
  • Ease of compliance: Complying with data regulations is easier and completed in less time.
  • Faster backup recovery: With redundant data eliminated, backups can be recovered quickly, ensuring business continuity and minimizing downtime.

Features of Deduplication Software

  • Data deduplication: It is important to make sure the data deduplication tool you choose can accommodate the data capabilities you need.
  • Storage use reduction: You want a solution that will maximize your storage. By eliminating redundant data, deduplication software can significantly impact your organization, opening up further opportunities for storage usage.
  • Storage management: Deduplication is a powerful technology to help manage data growth.
  • Data backup: Deduplication software should include the specific data backup requirements that your company needs.
  • Pricing: When choosing a data deduplication tool, pricing can depend on what features are offered. Many tools can be packaged with large data management or data backup suites. Price factors can also vary based on the number of terabytes or servers that are stored and supported.

Deduplication and Encryption

It may be obvious, but a deduplication tool is only capable of detecting and deleting data if it can read the data in the first place. For this reason, any deduplication process must happen before any encryption. If encryption were to occur before the deduplication process, duplicate data would not be found.

Find out what your peers are saying about Dell EMC, NetApp, Hewlett Packard Enterprise and others in Deduplication Software. Updated: November 2021.
552,305 professionals have used our research since 2012.