Backup deduplication, which reduces storage needs by eliminating redundant data, has moved from cutting-edge technology to mainstream staple. The data protection technology first showed up in 2003, aimed at organizations looking to move away from tape for the performance of disk-based backups. More than a decade later, dedupe is common in backup products, and can be a valuable instrument in data protection strategy.
But there are many elements to consider in picking the backup deduplication technology that fits best. How do zone-level and block-level deduplication compare? What are the differences between deduplication and compression? How important are deduplication ratios? What are the pros and cons of source and target deduplication?
Check out this comprehensive collection of backup deduplication content and get started learning now.
Backup deduplication technology today
Whether you are new to the technology or just need a refresher, these articles will get you up to speed on the backup deduplication space today.
How deduplication is performed
There are many different ways that backup deduplication can be performed. Software vs. hardware, post-process vs. inline, target vs. source, and more. Learn about the strengths and weaknesses of each approach.
Learn the differences between software and hardware backup deduplication in this Expert Response from Rachel Dines. Continue Reading
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How deduplication is used today
Many organizations struggle with data growth. Deduplication, along with other techniques such as data lifecycle management, is aimed at addressing this ongoing issue. This section explores some of the ways backup deduplication is being used today -- to move data off-site, for virtual machine (VM) backups and more.
Compression and deduplication are similar but different data reduction methods, and both have their place in virtual servers. Continue Reading
In this Expert Response, Rachel Dines outlines the types of data that yield high deduplication ratios. Continue Reading
In this Expert Answer, independent backup expert Brien Posey discusses using deduplication when backing up VMs. Continue Reading
In this tip, independent backup expert Brien Posey offers information about how data deduplication impacts data lifecycle management. Continue Reading
Data deduplication challenges
Dedupe has changed the way backups are performed, but as with any technology, it can't solve every problem IT pros face. These articles take a look at some deduplication challenges.
Be cautious when it comes to dedupe ratios as stated by vendors. Continue Reading
Marc Staimer examines why the market for target deduplication storage appliances appears to be in decline, even with the presence of EMC, Symantec and HP. Continue Reading
A list of essential definitions
Learn some of the key terms regarding deduplication.