Server Virtualization Accelerates Shift to Networked Storage

By ServerWatch Staff (Send Email)
Posted Jul 8, 2010

Server virtualization is accelerating the shift to networked storage -- not only are VM images typically stored on networked storage, but as more application servers are virtualized, application data will also be increasingly stored on the network. Also noted in this Virtual Strategy Magazine article, is that storage virtualization is closely related to server and desktop virtualization and can help organizations better manage the increased demand for networked storage.

Server virtualization has emerged as a key technology that allows IT to do more with less.

"As with any highly disruptive technology, the cloud will inevitably impact IT infrastructure and processes in ways that cannot currently be foreseen. However, the adoption of server virtualization provides some useful clues. While it is true that server virtualization can lower the costs of the server infrastructure, it can have the opposite effect on the storage infrastructure. Virtual servers often consume more storage capacity than physical ones, and can create additional demand on networked storage.

"VM (virtual machine) sprawl is by now a widely observed and well understood side effect of server virtualization. Virtual servers are far easier to provision and deploy than physical ones and the perceived cost is significantly lower when only considering the server hardware that is required. For that reason, enterprises often over-provision the number of virtual servers in their environment and, as a result, have many that are not in active use. However, idle virtual servers still consume the same amount of storage capacity. Furthermore, organizations typically provision capacity for virtual servers from high-performance and high-cost storage resources, which makes VM sprawl both costly and inefficient."

Read the Full "Storage in a Virtualized Environment" Story at Virtual Strategy

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