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Deduplication Strategy and Dell/Ocarina

This week, Dell acquired Ocarina, a provider of primary storage deduplication.  The acquisition provides technology that they can integrate with existing storage platforms such as EqualLogic.  However, Dell also sells deduplication technology from EMC/Data Domain, CommVault and Symantec.  Dave West at CommVault suggests that these technologies are complementary, and I agree. However, the announcement raises […]

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Storage pools and why they matter

Today SEPATON announced the addition of Storage Pools to our data protection platform.  The technology marks a major step in the path to data protection lifecycle management, and I am excited about the new functionality and wanted share some brief thoughts. To summarize, storage pooling allows data to be segmented into discrete pools that do […]

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Data Domain & GDA – Bolt-on to the rescue

One of biggest challenges facing today’s datacenter managers is protecting the vast quantities of data being generated. As volumes have increased, customers have looked for larger and larger backup solutions. Multi-node global deduplication systems have become critical to enable companies to meet business requirements and EMC/Data Domain’s response to these challenges has been “add another box” […]

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Deduplication ratios and their impact on DR cost savings

There is an interesting blog discussion between Dipash Patel from CommVault and W. Curtis Preston from Backup Central and TruthinIT regarding the increasing or decreasing benefits of deduplication ratios. They take different perspectives on the benefits of increasing deduplication ratios and I will highlight their points and add an additional one to consider. Patel argues […]

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TSM Target Deduplication: You Get What You Pay For

I was recently pondering TSM’s implementation of target deduplication and decided to review ESG’s Lab Validation report on IBM TSM 6.1. There is quite a bit of good information in the paper, and some really interesting data about TSM’s target deduplication. Before discussing the results, it is important to understand the testing methodology. Enterprise Strategy […]

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TSM and Deduplication: 4 Reasons Why TSM Deduplication Ratios Suffer

TSM presents unique deduplication challenges due to its progressive incremental backup strategy and architectural design. This contrasts with the traditional full/incremental model used by competing backup software vendors. The result is that TSM users will see smaller deduplication ratios than their counterparts using NetBackup, NetWorker or Data Protector. This post explores four key reasons why […]

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The Demise of the NearStore VTL: A historical perspective

Rumors have been circulating for months about the demise of NetApp’s VTL offering. Today, Beth Pariseau from SearchDataBackup published the first public confirmation that development on the product has ceased. It is not a surprise, but makes for an interesting case study. NetApp acquired VTL technology with their purchase of Alacritus for $11 million back in […]

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Four Must Ask Questions About Metadata and Deduplication

When backing up data to a deduplication system, two types of data are generated. The first comprises objects being protected such as the Word documents, databases or Exchange message stores. These files will be deduplicated and for simplicity I will call this “object storage”. The second type of data generated is metadata. This is information […]

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Bye, bye EDL/DL3D 1500/3000, it was nice knowing you

The email below appeared in my inbox yesterday.  The EDL/DL3D 1500/3000 has officially been discontinued.  It was obvious from the moment EMC purchased Data Domain that the Quantum stuff was dead, but it took time for EMC to finally admit this.  The strongest statement came in Frank Slootman’s TechTarget interview.  Clearly the EMC/QTM relationship was a […]

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Data Domain keynote at SNW – Slootman’s surprising response

I attended multiple keynote and breakout sessions at SNW last week, but my busy meeting schedule conflicted with many of the morning sessions. I was able to attend to Data Domain’s talk given by Frank Slootman and wanted to provide some commentary. The bulk of the session was boring and included what appeared to be […]

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