General principles for scheme design and equipment modeling of networked storage system:
1. Standardization
The storage system shall comply with international standards, support multiple network and network storage protocol standards, and provide various data transmission interfaces. NAS and SAN technologies are the latest new storage technologies in the industry, and many technologies are still under development. In particular, the manufacturers of SAN technology have not completely unified standards, and the potential dangers in storage connectivity must also be considered.
2. High availability
One of the most important purposes of the storage system is to provide a centralized, high-performance storage system for various applications scattered on the network. Therefore, when designing the storage solution, scientifically analyze the performance requirements and solutions, and provide a highly available solution.
3. Convenient and flexible management
The management and storage of information brings a very headache problem to enterprises, which is very troublesome in management and difficult in resource adjustment. Therefore, a principle that must be followed in the scheme design is to realize the convenient, efficient and flexible management of information.
4. Completeness of data protection measures
After data is stored centrally, its security protection becomes particularly important. Because all the information is concentrated in a storage device with the same capacity, without very reliable data protection technology, it is bound to seriously affect the data security of enterprises and the operation of key businesses.
5. High reliability
Fault tolerance and redundancy design shall be carried out for the system to ensure the data security of the storage system, and online system maintenance and upgrade can be considered. For key business applications, high reliability is a very important principle.
6. Scalability
Meet the bandwidth and storage capacity requirements of existing applications, and provide good scalability of bandwidth and storage capacity with the development of business. Information is the fastest expanding asset in the continuous operation of enterprises, so the scale scalability of the system must be considered when designing the structure of the storage system. On the one hand, it can quickly and flexibly expand the storage capacity of the enterprise without stopping the application; on the other hand, it is very easy to integrate the original storage system and application system when expanding.
7. Save user investment and reduce total cost
The design scheme shall aim at saving the user's investment and reducing the total operation cost. On the one hand, integrate the original equipment, technology and network structure to the greatest extent; On the other hand, we should fully consider the future needs, and protect the user's investment from the architecture, capacity, and system support capabilities.
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