Pondering VPLEX and backup

The Twittersphere was abuzz yesterday with EMC’s announcement of VPLEX. For those of you who missed it, VPLEX is a storage virtualization and caching solution that presents block storage over long distances. The initial release only supports data center and metro distances with a future of continental and global reach. The announcement struck me as yet […]

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Perspectives on Symantec OpenStorage

A couple of weeks ago SEPATON demonstrated OpenStorage (OST) at Symantec Vision and I posted a blog entry including a link to the demo. I wanted to explore OST in more detail. OST is Symantec’s intelligent disk interface. It works with all types of disk targets and is most commonly implemented with deduplication enabled storage. […]

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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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Video Demo: SEPATON and Symantec OST

Today SEPATON announced that we are demonstrating OST technology at Symantec vision and I created this short video demo to highlight the technology.  Enjoy!

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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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LTO-5 and Disk-based Backup

HP recently announced the availability of LTO-5 and they are currently hosting industry luminaries at their HP Storage Day. I received a question on Twitter from John Obeto about LTO-5 and what it means to VTL and wanted to answer it here. Note that I previously blogged about LTO-5. The challenge with data protection is […]

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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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Lessons learned from the COPAN acquisition

The rumors of the demise of COPAN were rampant in late 2009. There was broad speculation that general operations had wound down and that the company was maintaining a skeletal staff. It was clear that COPAN’s end was near and the management team was scrambling for an exit strategy. Most people assumed that the recent […]

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Devotion to duty

Tuesday Humor

Click for larger view – Comic courtesy of xkcd.com Via Beth Pariseau from TechTarget.

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