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Three vendors still stalking storage virtualization
This article is part of the Storage magazine issue of Vol. 10 Num. 1 March 2011
Overwhelmed by all the buzz around server virtualization? There are still solid alternatives -- with real benefits -- to virtualizing storage systems. External storage virtualization (ESV) is the use of intelligent storage controllers that provide volume management, data management and protection features by creating a virtual storage system using external hardware and capacity. The goal of ESV is to consolidate management and intelligent features, and to enable tiering and heterogeneous replication. If you implement a high-end intelligent ESV system, you can scale with lots of dumber and less-expensive systems behind it, creating a great balance of high-end capabilities with lower cost hardware. This all looks good on paper, but if the value proposition is so apparent, why hasn't ESV become the dominate storage infrastructure in our data centers? There are several reasons why ESV isn't pervasive. The first is that there are only a handful of leading vendors providing ESV solutions, including Hitachi Data Systems, IBM and NetApp...
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Features in this issue
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Columns in this issue
For the last few years our focus has been on storage capacity and dealing with astronomical data growth rates. In the process, we've overlooked storage performance, but promising developments are afoot.
Overwhelmed by all the buzz around server virtualization? There are still solid alternatives -- with real benefits -- to virtualizing storage systems.
A recent ESG survey indicates that investments in cloud services and related infrastructure will increase in 2011, meaning the much-hyped technology may start to hit its stride in the real world.
As Ethernet continues to navigate its roadmap on the way to 100 Gbps, it looks like it might take over all networking chores in the data center.