Blade Servers

Written by Stephanie Bilberry
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A blade server is a fairly new solution to the issues faced by companies that must pack a lot of computing ability into a small amount of space. Essentially, a blade server is an independent server that contains one or more processors along with the necessary memory, plus storage and network controllers. This type of server runs its own operating system and typically comes ready and loaded with any necessary software.

Blade Servers for Clustering

A typical application for blade servers would be serving a company's web pages. They are dedicated servers, and the great thing about them is that you can have a whole range of them in a rack mount because they're so small. These are sometimes referred to as high-density servers, and they are commonly used in clustering. This is where several servers are all dedicated to one purpose.

Because they create very little heat, this type of server can also save on power as well as space. In addition, it is possible to manage a cluster of such servers to include load balancing and failover. This will make it easier to safeguard your system.

A blade server is not only more economical on space, it will be less expensive than the more traditional main frame computers too. You can expect a single blade server to come in a 3U height, which means it will take up three vertical slots in a server rack. If you're really pushed for space, it is possible to get blade servers that are "sub U" in size, which means they take up less than the 1.75 inches of rack unit.

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