Let's start with the blade server. Blade server means that multiple card-type server units can be inserted into a rack chassis with a standard height to achieve high availability and high density. Each "blade" is actually a system motherboard. They can start their own operating systems, such as Windows NT/2000, Linux and so on, through the "onboard" hard disk. , similar to a stand-alone server. In this mode, each motherboard runs its own system, serving different designated user groups, and there is no correlation between them. However, administrators can use system software to assemble these motherboards into a server cluster. In cluster mode, all motherboards can be connected to provide a high-speed network environment, and at the same time * * * enjoy resources and serve the same user group. Inserting new "blades" into the cluster can improve overall performance. Because each "blade" is hot-pluggable, the system can be easily replaced and the maintenance time can be minimized.
At the beginning of design, these blade servers have the characteristics of low power consumption, small space and low unit price. At the same time, they also inherit and carry forward some technical indexes of traditional servers, such as applying hot plug and redundancy to blade servers, which meet the requirements of server performance in dense computing environment. Some also effectively improve the stability of the server and the performance of the core network through the built-in load balancing technology. Externally, compared with the traditional rack/tower server, the blade server can save the space and cost of the server to the greatest extent, and provide users with flexible and convenient means of expansion and upgrade. Blade server has become the mainstream of high performance computing cluster. In the world's top 500 supercomputers and China's top 500 supercomputers 100, many new cluster systems adopt blade architecture. Because the blade server can greatly reduce the number of external cables, it can greatly reduce the hidden dangers caused by cable connection failure and improve the reliability of the system.
It is worth mentioning that HP's blade server is more distinctive. Compared with similar servers, it has the following characteristics.
1. Economy: Compared with traditional IT, integrated design helps to reduce the purchase cost and makes it easier for users to have real-time integrated redundancy; Compared with rack infrastructure, cables and other components required can be reduced by up to 40%.
2. Flexibility: HP's virtual connection and modular design help to make smooth changes, speed up development, and dynamically add, replace and restore resources without rewiring.
3. Energy saving: HP intelligent energy consumption technology can manage power supply and heat dissipation as a resource, greatly improve energy efficiency, reduce power consumption by up to 30%, and significantly reduce hot gas emissions in data centers.
4. Save time: HP Insight Management can effectively manage automation infrastructure, save customers' valuable time, improve the efficiency of administrators, simplify inventory, supply and recovery, and speed up patch repair.
Answer finished, I hope it will help you.