Mirroring technology

A cluster technology. It is the two servers built on the same local area network that mirror the hard disks of the two servers through software or other special network devices. Among them, one server is designated as the master server and the other is the slave server. The client can read and write only the mirrored volumes on the master server. That is, only the master server provides services to users over the network. The corresponding volumes on the slave servers are locked to prevent data access. The master/slave server monitors each other's running status through the heartbeat monitoring circuit. When the master server is down due to a fault, the slave server will take over the application of the master server in a short period of time.

Insulation terminal is a traditional industry, the product because of different industries in the form of the individual needs of function and environment, different terminal can be derived from a variety of specifications.In addition to safety standards, only in the industry for a long time to form the swap specs, and there was no such thing as a standard.Meet the choice of more diversified products, therefore, is Insulated Terminals facing a very important issue.
Shortcomings existing in the insulation terminal industry development:
1, the overall technology still need to improve.Main production more than the insulation terminal of patent protection products, and more generic than innovation, basic no breakthrough development.
2, product development is not balanced.High technology, high value-added products, less investment products, used in consumer products.
3, enterprise development imbalance.Overall technical strength of enterprises, economic efficiency is not high.And labor-intensive and no independent development ability of assembly enterprises, due to low labor costs and other factors, rely on the mass production, can still win certain benefits.
4, low value-added products for export.Exports but low technical content, with cheap labor costs, export manufacturer heavy discounting, use the limited market.
Economic recovery that pent-up demand, insulated terminal technology has made great development in recent years, the temperature of the economic recovery that consumer confidence was restored, and the rebound will drive the final demand, it becomes the key to the electronic components industry recovery.
When the terminal is used in consumer products, appearance is more important.In fact, some designers often specified for audio equipment insulation terminal device for plating processing, so although increased the cost and no significant increase performance, but the gold-plated did improve the appearance of the product.In a very compact insulation terminal products often are.Some wire reaches more than

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