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storage virtualization and server virtualization

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storage virtualization and server virtualization - 19.Aug.2011 1:07:21 AM   


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  • Network virtualization is a method of combining the available resources in a network by splitting up the available bandwidth into channels, each of which is independent from the others, and each of which can be assigned (or reassigned) to a particular server or device in real time. The idea is that virtualization disguises the true complexity of the network by separating it into manageable parts, much like your partitioned hard drive makes it easier to manage your files.
  • Storage virtualization is the pooling of physical storage from multiple network storage devices into what appears to be a single storage device that is managed from a central console. Storage virtualization is commonly used in storage area networks (SANs).
  • Server virtualization is the masking of server resources (including the number and identity of individual physical servers, processors, and operating systems) from server users. The intention is to spare the user from having to understand and manage complicated details of server resources while increasing resource sharing and utilization and maintaining the capacity to expand later.
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RE: storage virtualization and server virtualization - 20.Aug.2011 2:35:46 AM   
Scott Lowe


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This is a good breakdown of three very common uses for virtualization. Each has a common theme - reduce the appearance of complexity and improve flexibility.


(in reply to jiansuifei)
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RE: storage virtualization and server virtualization - 24.Aug.2011 11:44:34 AM   


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Normally if we needed more space, we got a bigger disk drive. But for data storage needs, we have to add multiple disk drives. Eventually managing these storage drives became harder and took more time, and RAID came into picture, network-attached storage and storage-area networks. Storage virtualization is a concept that helps to automate the expansion of storage capacity, reducing the need for manual provisioning. Storage resources can be managed automatically without affecting application performance, thus reducing downtime and virtualization operates as an intermediate layer, it becomes the primary interface between servers and storage. Many of the storage management solution providers like ASG offers the best & automated storage virtualization solution for enterprises.

< Message edited by rodney -- 24.Aug.2011 11:46:44 AM >

(in reply to jiansuifei)
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RE: storage virtualization and server virtualization - 28.Aug.2011 8:58:47 PM   
Scott Lowe


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Like server virtualization has done for the operating system/hardware linkage, storage virtualization abstracts the storage element out of the equation so that the systems themselves don't need to manage it. It's good stuff and further simplifies day to day management of virtual infrastructures.

(in reply to rodney)
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