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Enterprise Storage Strategies

Stephen Foskett

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Top Stories by Stephen Foskett

The word "backup" gets thrown around so much that folks tuned in to the world of enterprise storage can start getting surly. One of the best ways to annoy a backup administrator is to start talking about how well the backup will facilitate disaster recovery, e-discovery, and compliance! So what is a backup anyway? Is it different from an archive? SNIA defines a backup as follows: "A collection of data stored on (usually removable) non-volatile storage media for purposes of recovery in case the original copy of data is lost or becomes inaccessible; also called a backup copy.To be useful for recovery, a backup must be made by copying the source data image when it is in a consistent state." This description does not strike me as all that useful, so I put this simple question to a number of folks on Twitter and through direct discussion. I contacted W. Curtis Preston, "M... (more)

Addressing Enterprise NAS Priorities

The Enterprise Strategy Group forecasts that the enterprise NAS market will continue to grow like gangbusters over the next two years, reaching 62,000 petabytes in 2012! That number represents a huge sales opportunity for EMC, NetApp, Dell, HP, IBM, BlueArc, and the rest of the traditional NAS array market leaders. It also represents an opportunity for vendors like F5 with their file virtualization systems, as well as cloud storage service providers like Nirvanix with CloudNAS. Jump over to ESG Analyst, Terri McClure's blog to check out the numbers for yourself! What features a... (more)

When Is A Copy A Backup?

Ocarina's Carter George continued the conversation on backups, asking if the conventional backup paradigm was obsolete, and if file copies could serve the same purpose. As mentioned in our "What Is a Backup?" post, this is the same question posed by EMC's Scott Waterhouse recently. Putting Copies To The Test George suggests a copy-based scenario: "Why not just move files that are candidates for being backed up to a separate tier of storage, keeping them as files in their native format, and organizing them in time coherent views?" To determine whether this is truly a backup, let's a... (more)

Is Cloud Storage The Right Tool For The Job?

The current economic climate is pushing many to look for current-year budget savings. This is one of the major reasons that cloud computing in general, and cloud storage specifically, has become so attractive. Moving data into the cloud doesn't just get it out of the data center, it converts a capital expense (storage equipment) into an operational one (monthly fees). But cloud storage isn't right for every application: One must profile applications and consider where cloud storage or computing services makes sense. The folks over at Cleversafe recently proposed five questions to... (more)

What Makes Cloud Storage Different from Traditional SAN and NAS?

Many in the IT industry seem to enjoy arguing exactly what does and does not constitute a cloud service. As I mentioned in my post on the controversy over private cloud services, I do not feel that these arguments are productive. We should focus on results and business value instead of arguing about semantics. However, the current crop of cloud storage solutions have many important differences from traditional SAN and NAS storage, something that seems to surprise many end users I meet. Cloud storage capacity is not your fathers blocks and files! Primary, Secondary, and Tiered St... (more)