0 Preface
In the early morning of March 29, Tencent's social software such as WeChat and QQ experienced abnormal functions. According to media reports, the accident was caused by a failure in the cooling system of Guangzhou Telecom's computer room , and Tencent defined it as a company-level accident. Tencent's management believes that this accident exposed the hidden dangers of imperfect disaster recovery design and emergency plans, and the risk prevention awareness of relevant business departments is not in place. The failure of the cooling system in the computer room caused a major accident, which finally alarmed the Ministry of Industry and Information Technology. Today, we will talk about the most basic but often overlooked dynamic environment monitoring system in the information system.
1 What is the role of the computer room power environment monitoring system
The power environment monitoring of the computer room refers to the real-time monitoring and control of the power supply, refrigeration, switches, etc. of various equipment in the computer room, so as to ensure the stable operation and safety of the equipment in the computer room. Computer rooms are usually important IT facilities in enterprises or institutions, such as network servers, storage devices, computer clusters, etc. The normal operation of these devices is crucial to the normal operation of enterprises or institutions. The power environment monitoring of the computer room can monitor the changes of multiple parameters such as temperature, humidity, airflow, and door magnetism in the computer room in real time, and automatically make corresponding control responses to ensure that the equipment in the computer room operates in a reasonable environment. The power environment monitoring of the computer room can realize the intelligent management of the equipment in the computer room, effectively reduce the equipment failure rate and maintenance cost, and ensure the normal operation of the equipment in the computer room.
2 The role of the power environment monitoring system in the computer room
Real-time monitoring of environmental parameters such as temperature, humidity, and airflow in the computer room. Through clear boundaries, the environmental parameters are controlled within an acceptable range to avoid damage to equipment caused by excessively high or low temperatures in the computer room. Provide intelligent early warning function. When the environmental parameters in the computer room are abnormal, the system will automatically send early warning information to the administrator, so that the administrator can know the abnormal situation of the equipment in time and take corresponding measures. The early warning function can greatly shorten troubleshooting time and reduce human error. telemetry function. Monitor data such as power and temperature data in the computer room, realize unattended real-time monitoring and data statistics, and provide data support for scientific management. Energy saving. The computer room environment monitoring system can monitor the running status of the equipment in the computer room in real time and make corresponding adjustments, effectively realize energy saving and consumption reduction, and reduce the operating cost of the enterprise. Enhance the security of the computer room. The computer room environment monitoring system not only monitors the environmental parameters in the computer room, but also includes security measures such as access control management of the computer room. Through the security control of the entire computer room, illegal intrusion and malicious attacks can be effectively prevented.
3 Requirements for the dynamic environment of the computer room
Computer level protection has clear requirements for the physical environment of the computer room. The following will introduce the relevant requirements by taking Level 3 protection as an example, which can provide reference for the content and indicators of dynamic environment monitoring.
physical location selection
a) The computer room site should be selected in a building with earthquake resistance, windproof and rainproof capabilities; b) The computer room site should not be located on the top floor or basement of the building, otherwise waterproof and moisture-proof measures should be strengthened.
physical access control
a) The entrance and exit of the computer room should be equipped with an electronic access control system to control, identify and record the entering personnel.
Anti-theft and anti-vandalism
a) The equipment or main components should be fixed, and an obvious and difficult-to-remove mark should be set; b) The communication cable should be laid in a concealed and safe place; c) An anti-theft alarm system for the computer room or a video surveillance system with special personnel on duty should be installed .
Lightning protection
a) All kinds of cabinets, facilities and equipment should be safely grounded through the grounding system; b) Measures should be taken to prevent induced lightning, such as setting up lightning protectors or overvoltage protection devices.
fire protection
a) The computer room should be equipped with an automatic fire-fighting system, which can automatically detect fire, automatically alarm, and automatically extinguish the fire; b) The computer room and related working rooms and auxiliary rooms should use building materials with fire resistance grades; c) The computer room should be divided into areas. Management, area and set isolation fire prevention measures between areas.
waterproof and moisture-proof
a) Measures shall be taken to prevent rainwater from penetrating through the windows, roof and walls of the machine room; b) Measures shall be taken to prevent water vapor condensation in the machine room and transfer and penetration of underground water; c) Water-sensitive detection instruments or components shall be installed, Carry out waterproof detection and alarm for the equipment room.
anti-static
a) Anti-static floor or ground should be used and necessary grounding anti-static measures should be taken; b) Measures should be taken to prevent the generation of static electricity, such as using static eliminators, wearing anti-static wrist straps, etc.
Temperature and humidity control
a) Temperature and humidity automatic adjustment facilities should be set up so that the temperature and humidity changes in the computer room are within the range allowed by the equipment operation.
electricity supply
a) A voltage stabilizer and overvoltage protection equipment should be configured on the power supply line of the computer room; b) A short-term backup power supply should be provided to at least meet the normal operation requirements of the equipment in the event of a power failure; c) Redundant or parallel power supply should be set The power cable lines provide power to the computer system.
electromagnetic protection
a) Power lines and communication cables should be laid separately to avoid mutual interference; b) Electromagnetic shielding should be implemented for key equipment.
4 Composition of the power environment monitoring system in the computer room
The computer room power environment monitoring of ordinary computer rooms mainly includes environmental monitoring system, power monitoring system, video monitoring system, and central monitoring system. What functions do they have, and they are introduced below.
(1) Environmental monitoring system
The environmental power monitoring system consists of a monitoring host, a temperature and humidity transmitter, an air conditioner controller, a smoke sensor, and a water immersion sensor. Environmental monitoring mainly includes real-time monitoring of environmental temperature, humidity, water immersion, smoke, etc., to eliminate hidden dangers of accidents.
(2) Power monitoring system
Power monitor, remote monitoring and control of emergency power supply system
(3) Video surveillance system
The video surveillance system consists of a camera pan/tilt, a high-definition infrared camera and a network video server. Using a high-definition infrared camera gun, it can guarantee high-quality real-time video under any light intensity. Install the camera pan/tilt, and monitor every corner of the substation through remote control. At the same time, it can accept the linkage of access control and infrared alarm, record any intrusion behavior at the first time, and send it to the monitoring center.
(4) Central monitoring platform
Install the network monitoring system software on the server of the monitoring center to monitor the environment and power status of each substation in real time and intensively, and remotely control some equipment such as air conditioners and switching power supplies as needed. Classify and classify various alarm information, and notify relevant personnel to deal with alarm events in a timely manner through on-site alarms and remote wireless (such as mobile phone SMS) alarms.
(The picture comes from the Internet, invaded and deleted)
5 Conclusion
The security of the physical environment is the foundation of all system security, so you must be careful!