ESDS Knowledge Base


What does a Blade Enclosure refer to ?

There are many a aspect related with the term of blade enclosures, which can be described as – A rack or a space where the multiple servers are stored is known as blade enclosures. Blade servers are made up of multiple server blades, attached in individual slots within the enclosure. Generally a blade enclosures provides power,cooling, networking, various interconnects and management. Basically to form a blade server, the  different blade providers have differing principles around what should and should not be included in the blade itself (and sometimes in the enclosure altogether). Together these form the blade system.

The blade enclosures mainly setup into the Data Center facility and needs to have proper physical attributes as to have the optimum output. The basic requirements may consists of Rack requirements,Space & airflow requirements, temperature requirements, power requirements and grounding requirements. The rack requirements can be said as the generic configuration of 41U, 33U, and 25U HP Rack System/E, 42U, 36U, and 22U Compaq branded 10000 and 9000 Series racks. The space and airflow requirements may consist of minimum clearance of 63.5 cm (25 in) in front of the rack,clearance of 76.2 cm (30 in) in back of the rack & minimum clearance of 121.9 cm (48 in) from the back of the rack to the rear of another rack or row of racks.

The basic components of a blade enclosures includes many a different physical hardware which can be said as – A sheet – metal enclosures     with a midplane and front bazel, one or two X-blade 4s(blades), Two power and cooling modules per blade. The blade enclosures are one of the best in its kind which provides many a benefits for the server storing. These systems use less space and power than traditional server setups.

There are some basic factors which needs to be considered while setting up the blade enclosures, which can be defined as follows: Cooling: This is a matter of concern while considering the electronic items like blade servers as heat is inevitable any time-any moment. Excessive heat into the servers can be dangerous and can cause a heavy damage to essential components and lead to data loss and equipment failure.  As compared to standard servers the blade server components emit less heat, then also proper cooling with fans or other devices is still essential to maintaining optimum performance and product lifespan. Networking: The basic functions of a computer device is to transmit the data between the users, may be in written or verbal through voice communication. Components of a network include its hardware (server and client computers, routers, cabling, etc.) and the software which controls the system itself. By consolidating multiple ports into a single interface, blade server enclosures allow a more efficient configuration of network connections within a smaller chassis space. And now comes the Storage: Storage is considered to be the most crucial factor which comprises of the capacity of a given device for retaining data. Hard disks and removable media, such as magnetic tapes or floppy disks, are most commonly used to store and retrieve electronic information. To conserve space and maintain efficiency, blade servers generally utilize remotely connected external storage devices, which may employ SCSI, FireWire, or other methods for the transmission of data to and from the server.

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