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NAS Virtualisation becomes a green reality

NAS Virtualisation becomes a green reality
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Green initiatives have moved from something to talk about to the point where project plans are being created. In most cases, plans are elaborate and will take months, if not years, to implement.

If traditional NAS systems are not the solution to Green file services, something different is needed; a Virtualised NAS Cluster.

A Virtualised NAS Cluster allows for scaling across NAS Nodes to address performance, scalability and redundancy concerns while at the same time scaling down to provide granularity by providing virtual file servers within the individual NAS Nodes.

These virtual file servers ease the migration to and management of the Virtualised NAS Cluster.

A Virtualised NAS Cluster allows for a grid of NAS controllers to be created. Each controller is a node in this virtualised grid presenting a single point of management and control.

Virtualised NAS Clusters address the growth vectors that most Data Centres will experience. When additional I/O performance is needed because of user growth or increased data loads, simply add another node to the cluster.

That new node is now managed with the other nodes in the grid; no separate management point is required. If more capacity is required simply attach more capacity to the cluster.

The independent scaling provides maximum flexibility allowing specific growth where the need is the greatest, by itself resulting in power savings.

The Virtualised NAS Cluster should extend the virtualisation to be able to mix different node types. This allows for file systems that require greater performance to be assigned to nodes in the cluster that can deliver more performance, yet leverage the slower nodes in the case of a failure.
Desire Athow

Posted by Desire Athow on 16 Sept. 2008

Désiré Athow is the Content Editor for ITProportal.com and has been writing tech articles for nearly a decade. You can follow him on Twitter.

Tags: NAS, Virtualisation, server