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blade server
(redirected from Computing blade)

    Also found in: Wikipedia 0.04 sec.

A server architecture that houses multiple server modules ("blades") in a single chassis. It is widely used in datacenters to save space and improve system management. Either self-standing or rack mounted, the chassis provides the power supply, and each blade has its own CPU, memory and hard disk. Redundant power supplies may be an option. Blade servers generally provide their own management systems and may include a network or storage switch. Contrast with blade PC.

Diskless Blades
With enterprise-class blade servers, disk storage is external, and the blades are diskless. This approach allows for more efficient failover because applications are not tied to specific hardware and a particular instance of the operating system. The blades are anonymous and interchangeable. See blade and PAN.

Disk-Based Blades
Blade servers are widely used in datacenters to save space and ease systems management. This earlier ProLiant unit from HP has redundant power supplies and holds 20 blades in 3U of rack space. The exposed blade on the left is a complete server with hard disk. (Image courtesy of Hewlett-Packard Company.)


Enterprise-Class Blade Server
The BladeFrame from Egenera supports up to 24 blades, each with four Xeon processors. The entire system is managed with Egenera's PAN Manager software via a Web browser. In this picture, one blade is being replaced. (Image courtesy of Egenera, Inc., www.egenera.com)
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The market for computing blades, although nascent at this stage, is poised to explode from less than one percent in 2002 to 23 percent in 2006 of all entry and small server shipments.
Small Computing Blades Make Big Impact; Participation Doubles at ... by Business Wire
Integrating our revolutionary Cstation(TM) solution with HP's computing blade creates the industry's first non-proprietary workstation blade," said Don Davidson, Executive Vice President and Chief Operating Officer of 2C Computing.
2C Computing Joins HP Blade Alliance Program Relationship to Create ... by Business Wire
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