The Examination Center of the Ministry of Education of China has proposed the establishment of the "National Education Examination Online Inspection System", and requires the establishment of a video surveillance network covering all levels of examination institutions and test sites throughout the country to realize the monitoring and control of the examination process and the security room. And make full use of network technology and video surveillance technology to achieve education monitoring, command and emergency response systems covering the whole country, and improve the management level of national education examinations.
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Baldor combines years of in-depth understanding of video data acquisition, transmission, control and storage features to introduce a GS-5120FD disk array as the core of the test room monitoring storage solution. Through the reasonable protection of the core data, the security and reliability of the system are increased, and the requirements for the user to view, regulate, and store the stored data at any time can be completely ensured. Long-term (more than 15 days) storage requirements for medium and large-scale monitoring systems have high industry-specific and professional features.
Disk array-based mature solution
The task facing this time is to build a large-scale video surveillance system with at least 128 camera monitoring points, at least 40TB of usable capacity, and store more than 15 days of video information.
In this way, Baode launched a video surveillance storage solution based on the GS-5120FD disk array. The disk array technology is very mature. The front end of the system is dual controllers, which work concurrently and at the same time can be mutually redundant to ensure business continuity. The GS-5120FD provides a total of 8*8GbFC+4*1GbiSCSI ports. The front-end FC concurrent bandwidth is 64Gb/S, and the iSCSI concurrent bandwidth is 4Gb/S. Configure 16 3TB7200 to enter the SAS hard disk, the total available capacity is 48TB. According to the characteristics of streaming media, 15 disks are configured as one unit for Raid5, for a total of 1 Raid5Group, so that the available capacity of the whole system is 42TB, and the remaining 3TB hard disk is used for global hot standby to ensure video. Monitor the maximum security and reliability of system storage devices.
Examination room monitoring system architecture diagram
Usually 128 monitoring points of the camera monitoring point, the total storage capacity of the video stream generated every day is 2.2TB, the existing capacity configuration of the Baode examination room monitoring system can meet the needs of 128 channels of video signal storage for more than 15 days, and can be very convenient Capacity expansion, backup, and data transfer have greatly satisfied the needs of users.
Four technical features to protect the interests of users
The test room video surveillance storage solution, with its mature technology and advanced performance, is capable of supporting large-capacity online storage systems for current and future storage space requirements. The specific advantages are reflected in the following points:
Multi-protocol unified storage convergence. GS-5120FD supports both high-performance 8GbFC and low-cost 1GbiSCSI. Users can choose different protocols according to their business needs. One system and multiple protocols improve the utilization of equipment and reduce the TCO of enterprises.
Hierarchical storage, performance without limits. The GS-5120FD supports both high-performance SAS drives and high-capacity SATA drives, allowing hard drives to be interleaved for tiered storage without additional licensing.
No single point of failure design, improve system operation and high reliability. The GS-5120FD is all designed with redundant architecture, redundant controllers, redundant power supplies, redundant fans, redundant backplane design, and any one of the components is broken, which will not cause system downtime and affect users. business.
Capacity expansion on demand, unlimited expansion. The GS-5120FD single cabinet supports 48TB storage capacity, and can cascade up to 6 JBODs, up to 112 hard disk locations, and the maximum storage capacity is 112*3T=336TB.
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