What is blade server technology




















Since blade enclosures provide a standard method for delivering basic services to computer devices, other types of devices can also utilize blade enclosures. Blades providing switching, routing, storage, SAN and fibre-channel access can slot into the enclosure to provide these services to all members of the enclosure.

Systems administrators can use storage blades where a requirement exists for additional local storage. Blade servers function well for specific purposes such as web hosting , virtualization , and cluster computing.

Individual blades are typically hot-swappable. Although blade server technology in theory allows for open, cross-vendor solutions, the stage of development of the technology as of [update] is such that users encounter fewer problems when using blades, racks and blade management tools from the same vendor.

Eventual standardization of the technology might result in more choices for consumers; [ 12 ] [ 13 ] as of [update] increasing numbers of third-party software vendors have started to enter this growing field. Blade servers do not, however, provide the answer to every computing problem. One can view them as a form of productized server-farm that borrows from mainframe packaging, cooling, and power-supply technology. Very large computing tasks may still require server farms of blade servers, and because of blade servers' high power density, can suffer even more acutely from the heating, ventilation, and air conditioning problems that affect large conventional server farms.

Developers first placed complete microcomputers on cards and packaged them in standard inch racks in the s soon after the introduction of 8-bit microprocessors. This architecture operated in the industrial process control industry as an alternative to minicomputer control-systems. Early models stored programs in EPROM and were limited to a single function with a small realtime executive.

The VMEbus architecture ca. Common among these chassis based computers was the fact that the entire chassis was a single system. While a chassis might include multiple computing elements to provide the desired level of performance and redundancy, there was always one board in charge, one master board coordinating the operation of the entire system. This provided the first open architecture for a multi-server chassis. While AdvancedTCA system and boards typically sell for higher prices than blade servers, AdvancedTCA suppliers claim that low operating-expenses and total-cost-of-ownership can make AdvancedTCA-based solutions a cost-effective alternative for many building blocks of the next generation telecom network.

In February , Blade. It is a collaborative organization and developer community focused on accelerating the development and adoption of IBM blade server platforms. It is no longer available. These blades could then operate independently within a common chassis, doing the work of multiple separate server boxes more efficiently.

In addition to the most obvious benefit of this packaging less space-consumption , additional efficiency benefits have become clear in power, cooling, management, and networking due to the pooling or sharing of common infrastructure to supports the entire chassis, rather than providing each of these on a per server box basis.

Though many independent professional computer manufacturers such as Supermicro offer blade solutions, the blade server market continues to be dominated by large public IT companies such as HP , which, as of Q1 , owns HP's current line consists of two chassis models, the c which holds up to 8 half-height ProLiant line blades also available in tower form , and the c 10U which holds up to 16 half-height ProLiant blades.

The answer may lie in dense computer nodes, which are more modular and cost-efficient than blades or traditional rack servers. Instead of blades, nodes are employed, which can be added or removed over time to support scalability. This modular platform allows different types of nodes to be combined in a single enclosure for custom solutions for specific needs.

Like blades, nodes are hot-swappable, but they can also run next-gen processors and hardware in dense configurations without performance loss due to overheating. Because of their modular design, ability to scale and enhanced efficiency, nodes are ideally suited for modern businesses looking to support:. How to build your tech sales team amid the Great Resignation Part 1. The number of blade servers in a 1U or 2U chassis will depend on the requirements of a customer's specific program or application.

At Trenton Systems, we can fit up to two 1U server blades into a 1U modular blade chassis, up to four 1U server blades into a 2U chassis or up to two 2U server blades into a 2U chassis. The slidable, hot-swappable nature of blade servers makes them easy to inspect, replace, or repair, all while the other blade servers in the enclosure continue to function seamlessly. In addition, blade servers are capable of utilizing the same high-speed processors as their rack server and workstation counterparts, making for one heck of a processing powerhouse when coupled together in a blade system.

Photo: A 2U blade computer situated next to a 2U modular chassis. Note the two PCIe slots installed on the riser card. Depending on the blade server configuration, you can achieve up to four PCIe Gen 3 slots with Trenton Systems' blade servers, or even more than that with the incorporation of a PCIe expansion kit and backplane.

For example, we have a 1U blade server configuration that supports up to two PCIe Gen 3 slots, but if your application needs more, we also have a 2U blade server configuration that supports up to four. In other words, you don't have to sacrifice expandability simply because you're using a modular server.

Photo: An in-house demonstration of how a 2U blade computer slides into a 2U modular blade chassis. Programs that emphasize space conservation and reduction in power consumption but still require a high-performance server will find the blade server quite useful. While blade severs have the capacity to serve streaming video and other demanding applications, often the emerging technology is used for back up or storage purposes.

Lower-end models usually depend on server or operating system virtualization, causing the server to run much slower than traditional equipment. It is thus incumbent upon a reseller to determine whether a hosting company is utilizing blade servers for mission-critical deployments and whether those servers can accommodate demanding applications.

Resellers who operate their own equipment might want to consider utilizing blade servers as an effective technology to add firewall or other security specific capacities to their collocated equipment. HISTORY Developers placed complete microcomputers on cards and packaged them in standard inch racks in the s soon after the introduction of 8-bit microprocessors.

This architecture operated in the industrial process control industry as an alternative to minicomputer control-systems. Early models stored programs in EPROM and were limited to a single function with a small real-time executive.

The VME bus architecture ca. Common among these chassis based computers was the fact that the entire chassis was a single system. While a chassis might include multiple computing elements to provide the desired level of performance and redundancy, there was always one board in charge, one master board coordinating the operation of the entire system. This provided the first open architecture for a multi-server chassis. In February , Blade.

It is a collaborative organization and developer community focused on accelerating the development and adoption of IBM blade server platforms. These blades could then operate independently within a common chassis, doing the work of multiple separate server boxes more efficiently.

In addition to the most obvious benefit of this packaging less space-consumption , additional efficiency benefits have become clear in power, cooling, management, and networking due to the pooling or sharing of common infrastructure to supports the entire chassis, rather than providing each of these on a per server box basis.

FEATURES Essentially, blade servers are a card on the server: a single motherboard that contains a complete computer system, including processors, memory, network connections and related electronic devices. If you insert a number of blade server rack or cabinet in the plane, then the rack or cabinet infrastructure can be shared, at the same time with redundant features.

Recognized the advantages of blade servers have two, one to overcome the shortcomings of the cluster server chip, and the other is optimized to achieve the cabinet. Then choose the main blade server for several reasons to consider the following: 1. Lower Hardware Costs Server with the traditional difference is that each blade server rack and does not need a separate infrastructure, relatively low-cost blade servers. Multiple systems through the sharing of power and cooling equipment, management of hardware and cabling systems can greatly reduce the cost of each server.

Simplified Deployment and Maintenance The deployment of multiple servers is a time-consuming and resource-intensive Dept. Administrators need to be installed on each server rack for power and network cabling, and to install the software. In high-density environment, in particular the deployment of wiring is a headache in one of the problems. The use of blade servers, administrators only need to be installed on the rack and wiring, no need to separate the blade server routing.

The addition of new computer resources or just insert a new blade server, just like now to add a hard drive as easy. Because blade servers can share a number of redundant power supply, so to minimize the wiring of the rack. In addition, the built-in converter to Ethernet data and management networks, and even integrated with KVM connection. The use of automated software tools, administrators can operate through a network; we can quickly and easily install the software to one or more blade servers.

Upon completion of the blade server software installed, the administrator will be able to use remote management tools to conduct a comprehensive management. To Reduce Power Consumption Blade servers in order to reduce power consumption, the majority of suppliers will be in Dept. Even if the blade server does not use lowpower processors, the power consumption is less than "comprehensive" server, blade server power consumption because fewer components. In addition, suppliers can afford to use high-efficiency power supply costs, because power will be shared across multiple servers.

In addition, blade servers as a result of lower power consumption, they produce less heat, thus reducing the power consumption of the cooling system. At present, such high-density blade server market prospects brought about by foreign countries has been IBM, HP, SUN and DELL and other manufacturers of the value, they have announced the launch of its own blade servers.

Domestic dawn, Lenovo, and other companies have also launched a wave of their respective products, as a result of the overall performance of blade servers more performance, so blade servers will be more business users of all ages. TYPES Since blade enclosures provide a standard method for delivering basic services to computer devices, other types of devices can also utilize blade enclosures.

Blades providing switching, routing, storage, SAN and fiber-channel access can slot into the enclosure to provide these services to all members of the enclosure. Blade vs. Rack mount Blade servers are outgrowing at a faster rate than traditional rack mount servers. A recent Gartner study found that blade servers are the fastest growing segment of the server market.

One reason is simply because blades are easy to configure and manage. Using a blade can be as easy as using an expansion card — only this "expansion card" comes with one to four processors, memory and disk storage.

Blades are considered to be hot-swappable, which means you can add new blades or remove existing ones while the system is powered on. Traditionally, blade servers have been deployed in data centers and large enterprise environments, but the small business is looking at blades for the same reason enterprise has previously: They take up less floor space than traditional rack mount servers, they require less power and fewer IT management resources are required than with a rack mount.

Blade servers are scalable to any physical infrastructure. It is important to remember that blades are not suited to all applications and cannot replace a large-scale server in all instances. There is an also proprietary interest at stake. As a result, third-party vendor blades have to be designed for specific branded chassis. Shared infrastructure for fans, power supplies, Ethernet switching, storage. Networking and storage is built into the chassis, which eliminates cables.

Large physical floor space required to Small form factor can use up to half the space of a rack mount house rack mount. More difficult deployment. SMB may Installation requires no special tools or require on-site technicians to make expertise, semi-technical or non-technical additions to the rack mount. Able to hotswap.

Proprietary nature limits the ability to More choice in system suppliers for mix and match components from multiple acquisitions. Multiple components from suppliers different suppliers can be used in one in one chassis. Many blades still have cooling issues due A variety of rack mount coolers are to available. Separate fans help cooling shared cooling on the chassis issues. Virtualization involves emulating multiple servers on one hardware platform.

Running multiple operating systems on a single computer or storage virtualization where you have the amalgamation of multiple network storage devices into what appears to be a single storage unit are examples of virtualization. With a blade server you have the option to combine blades with virtualization software to consolidate workloads, each running on its own instance of the OS using the same or a different OS. With blades, separate operating systems and applications can co-exist on one server and users of the system are able to access more memory and processing power as their workload demands it.



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