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The Better Dedupe Series – Source vs. Target

There are two approaches to where deduplication technology gets deployed:  as a source and as a target. While each has its benefits, the real issue is identifying which is the better choice for your application.  When implementing a deduplication technology, a decision needs to be made as to whether data is processed at the source location; (i.e. before data transmission over the wire), or at the target destination; (i.e. after the data reaches...

The Better Dedupe Series – Implementation: inline or post process

Deduplication can be implemented in a number of different ways depending on the needs of the technology provider. There are trade-offs in each and they have the potential to impact cost and performance.  Let's explore them: Post Process - With post-process deduplication, new data is first stored on a storage device and then analyzed for duplication at a later time.   The benefit is that there is no need to wait for the hash calculations and l...

Where does Symantec get its marketing messages?

From us! Symantec has been peppering our web site to learn more about our leading OEM deduplication product - Albireo. More than 20 times this week and nearly 40 times this month! Yesterday for over two hours alone! Yes we have the best performing, most scalable and most flexible deduplication available in the industry that really does deploy "everywhere". Not just for backup but across backup, archive, primary, grid, SSD, applications, databa...

“Dedupe Everywhere” isn’t always dedupe “everywhere”

Dedupe is a hot topic and the differences between dedupe implementations was the topic of my previous post Now there continues to be differences in vendor offerings and marketing plays a role in defining who does what and how they describe it.  "Dedupe Everywhere" has been a phrase a few are beginning to use so I wanted to provide some clarity on the use case of dedupe everywhere and what it means. Data is everywhere and the need to reduce the ...

Why Dedupe Everywhere? Ask Willy Sutton…

In my previous post, I positioned deduplication as evolving to an "out of the box" approach that will deliver broader and more effective savings in dollars as well as space and resources. Now you may be asking yourself, with dedupe firmly entrenched in the backup realm, why do we need to dedupe anywhere else? Good question, let's explore some of these answers. The famous bank robber Will Sutton's response to the question of "Why do you rob bank...

The Performance Challenges of Data Optimization – Data Compression

Unlike thin provisioning, compression allows for space savings on storage actually in use for data, and different variants can operate at both block and file storage levels.  Compression technologies fall broadly into two categories: lossless and lossy.  Lossless compression works by identifying redundancies within a short stretch of data, such as a file or block, and eliminating those duplicate parts.  As the name implies, all of the original...

The Performance Challenges of Storage Optimization – Thin Provisioning

In my last post, I identified the three biggest challenges to implementing primary storage optimization - avoiding performance degradation, supplementing all existing functionality, and preventing data lock-in.  Over the next few posts I will go into more detail on the first, performance. Any storage optimization method is based on finding and eliminating data that doesn't need to be stored.  This can take many forms, and the different forms p...

Albireo GX ‘CORE’ score and Comparisons!

  On October 19th, Permabit announced the latest performance numbers for our Albireo offering with the addition of GX technology deployed in a 16 node grid.  The 77 GB/s performance numbers (4.8 GB/s per node) are industry leading and continue to demonstrate the lead Albireo has in the deduplication technology arena.  Last week, Mr. Backup, W. Curtis Preston, announced his most recent deduplication performance analysis of backup vendors with ...