Expo China Pavilion video surveillance video storage technology (1)

Summary: this article adoption on Expo China Pavilion video surveillance system description, on major video surveillance project video storage technology for comprehensive evaluation.

First describes the State Museum's video surveillance system composition and engineering requirements; Secondly, the introduction of World Expo video security monitoring video storage technical characteristics; and finally through actual on-site verification, and concluded that the video surveillance video storage technology features.

1. brief introduction of World Expo China Pavilion

Shanghai World Expo-China National Museum building appearance to "East Crown" idea topics, expressing the spirit of Chinese culture and temperament.

National Museum Center rises, cascading talented, become condensed China Chinese elements, symbol of the spirit of the sculpture styling subject--East Crown; pavilions level to stretch the platform base forms reflecting national Pavilion, an open, flexible, friendly, the city square and rich layers; they are mutually complementary antithesis, that make up the theme of the great powers of expression shengshi unified whole. The National Museum, regional Museum features and partition, master-slave, space to leading North-South axis, creating a spectacular urban space sequence to form a unique attractions. Comprehensive National Museum of architecture and unique styling, video surveillance system can effectively protect the day-to-day running of their venues of system construction is very challenging.

2, Expo China Pavilion video surveillance system

In order to meet the Expo security and scientific system of management needs, in order to keep the events for the full, timely information and tracking, unexpected situations can make the right judgment and response, and give the correct and fast processing of command and the whole complex of monitoring system front side camera equipment used more than 300 road, hi-def, video video files saved to your hard disk video recorder plug-in IPSAN, storage time is about two weeks or more, the total storage capacity requirements in the 100TB or so.

Its video storage structure is as follows:

This set of video surveillance storage devices through the IP network to all the video encoding equipment, including video server (NVS), network, hard disk recorders provide video surveillance video storage space.

Other servers or monitoring equipment directly from disk array read video surveillance video, or video encoding device read video surveillance recording.

Program benefits:

1. make full use of the network edge, flexible deployment of storage devices, limit the protection in authorized users have access to the storage of video data, conducive to internal control of external defence.

2. calls on the data and flexible video surveillance data integrated application platform to achieve seamless support for monitoring system function extensions.

3. network storage solutions, easy-to-use, affordable, well-established independent configuration wizard interface, simple and easy to complete system configuration.

For those data-growing surveillance storage environment, also help reduce costs and complexity.

4. large capacity, low cost, a storage system can save 300 road, up to 30 days of recording video.

Regardless of the storage performance, capacity, reliability and availability, is a good way to meet the critical area of video surveillance storage requirements.

5. compatible with all kinds of video encoding device that supports most popular video surveillance equipment manufacturers of video encoding devices, including DVR and PC-DVR NVS,.

6. professional and reliable storage devices and video surveillance storage features in the IO, management, and other aspects are optimized.

Supports RAID 0/1/5/6/10/50 and the RAID level settings, support for network redundancy, support for power, fan, etc. hardware redundancy, support network recovery and system image backup, and other enhanced data security and reliability of technical means, and the violations have excellent defense capability.

3 video surveillance video data storage technology

Security industry in China has made great progress, "safe city" and "3111 engineering" and "global eye", and other major projects; video monitoring in transportation, food, customs, energy, finance, defense, and other areas of broad application prospects quite optimistic about the market.

While the storage system as a networked digital video, an important part in, in a real application often occur off disk, volume, lock, and many other issues, serious impact on the overall monitoring system for normal use, and so video data dedicated storage has become the most concerned about the security products. Current in the field of digital video, the most commonly used is the following four types of storage: hard disk, DAS, NAS, SAN. These methods have their own constitutional defect.

Hard drive

DVR, DVS after hanging behind the hard drive or server directly connected to the expansion tank, and are based on hard drive for storage.

It should be said that the use of hard disk storage, and can not be counted in the strict sense of the storage system. Their reasons included the following:

First of all, the hard drive does not generally have the RAID system, the data on your hard disk without redundancy protection, even if there is a host-side RAID card or soft RAID implementations.

Serious impact overall performance;

Second, the expansion of capacity is extremely limited, cannot achieve data stored centrally.

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