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Top five data deduplication technology tips of 2009

SearchDataBackup.com Editorial Staff
Although data deduplication is a relatively new technology in data backup and recovery environments, users saw its benefits for tasks such as data

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reduction from the beginning. And its popularity continues to rise today. According to the Fall 2009 edition of Storage magazine's Purchasing Plans survey, 21% of respondents are using deduplication, the highest number recorded, and 26% plan to incorporate it into their plans this year. Furthermore, 38% planned to increase their dedupe spending, while only 6% anticipated reducing their dedupe budgets.

With such a new technology making its way into the data backup world and competing with tape backup, users are unsure of what to expect from data deduplication, how to incorporate it into their environments and which technologies and techniques are most suited for their data backup needs.

To help you learn more about data deduplication, we've compiled our five best tips on dedupe from 2009. Whether you need to evaluate a data deduplication product for your environment, want to know the dos and don'ts of dedupe, need a dedupe product for your small- to midsized business (SMB), or simply want to know when and where to use dedupe, we have all the information here on SearchDataBackup.com.

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Dedupe dos and don'ts: Data deduplication technology best practices
Learn about all the dos and don'ts regarding target and source data deduplication in the tips from backup and recovery expert W. Curtis Preston. For example, you don't need to perform more full backups to get a better deduplication ratio, but you do need to consider increasing your backup retention period on disk. And you don't need to obsess over your data deduplication ratio, but you do need to test multiple dedupe systems before buying one. Here's the complete list on data deduplication dos and don'ts.

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Evaluating a data deduplication product for data backup and recovery
Although tape is a great way to back up data, its performance and reliability can still come up short, allowing data deduplication appliances to step in and try to outshine tape backup and data recovery. In this tip, learn how to evaluate a deduplication data deduplication product in order to decide if one is right for your data backup environment.

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Evaluating data deduplication products for SMBs
For small- to midsized businesses (SMBs), it can be hard to decide what data deduplication and data reduction technologies best suit their data backup environment. There are several different types of technologies such as hardware and software compression, file deduplication, block/variable block deduplication, delta block optimization, application-aware deduplication, inline deduplication, post-processing deduplication, virtual tape library (VTL) duplication and more. This tip examines the strengths and weaknesses of data deduplication products for SMBs and how to go about choosing the best one for your organization.

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Data deduplication technology: The business case for dedupe
Many storage administrators and backup administrators question whether data deduplication will meet all of their data backup needs. For example, data deduplication is not suited for all types of data. Image, video and audio data won't gain much from deduplication. However, there are also several advantages to data deduplication such as opening up more space on disks and reduced media handling. Learn about all of the advantages, disadvantages and the many misconceptions about data deduplication in this tip.

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Where and how to use data deduplication technology in disk-based backup
Data deduplication is known to reduce the transfer and storage of redundant data, but it can be confusing to know exactly where and when to use data deduplication technologies in your disk-based backup environment. What do you need to know when selecting a deduplication product? Should you pick hardware or software deduplication? What about file level and block level dedupe—when should you consider those options? Learn about the fine print of data deduplication technology in this tip.

To help you stay up to date on data deduplication and data backup in 2010, bookmark our special section on data reduction and deduplication for the latest news, tips and tutorials on data deduplication.

This was first published in December 2009

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