Posted by Mark Campbell [If you go to the Unitrends web site, you can find a paper that discusses all of these at greater length.] How to Get Duped by Deduplication: Blindly Believe Data Reduction Ratios In a white paper and...Read More

Posted by Mark Campbell An Overview of Local Versus Global Deduplication with Respect to Backup Earlier it was noted that one way that deduplication device vendors handled some of the shortcomings of their approach was to s...Read More

Posted by Mark Campbell Overview of Hardware Versus Software Deduplication for Backup (Preface: This section refers to hardware deduplication at the storage device – which is the most common form of hardware deduplica...Read More

Posted by Mark Campbell Overview of File- and Block-Level Deduplication for Backup File-level deduplication works at the file level by eliminating duplicate files; block-level deduplication works at a block level (which may...Read More

Posted by Mark Campbell Overview of Inline Versus Post-Processing Deduplication for Backup Inline deduplication means that the deduplication occurs while the backup data is being ingested by the backup device. Post-processin...Read More

Posted by Mark Campbell Overview of Source Versus Target Deduplication for Backup Source deduplication means that deduplication occurs at the client (i.e., the server, PC, workstation – but not at the SAN or NAS) bein...Read More