CN112202594A - Nuclear power station server fault emergency processing system and method - Google Patents
Nuclear power station server fault emergency processing system and method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2023—Failover techniques
- G06F11/2033—Failover techniques switching over of hardware resources
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
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- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The invention relates to the technical field of emergency hot standby management of servers, and particularly discloses a system and a method for emergency treatment of a nuclear power station server fault. The system comprises a main server standby, a standby server standby, a main switch standby and a standby switch standby, wherein the main server standby is respectively connected with the main switch standby and the standby switch standby through a main server A network standby and a main service B network standby and is communicated with each other; the standby server standby is respectively connected with the main switch standby and the standby switch standby through a standby server A network standby and a standby server B network standby and communicated with each other; the primary switch backup is connected to and communicates with the backup switch backup. The system and the method can realize complete functions of unattended operation, automatic operation, intelligent diagnosis, fault treatment and the like of complete equipment of the server, have lower technical difficulty and lower system cost, realize fault diagnosis and intelligent operation and improve the reliability of the system.
Description
Technical Field
The invention belongs to the technical field of emergency hot standby management of servers, and particularly relates to a system and a method for emergency treatment of a nuclear power station server fault.
Background
The nuclear power station has strict requirements on information and industrial control computer server equipment, and servers of some important information and control systems not only run important data processing/management service software, but also store important data information which needs to be continuously stored for a long time, such as important unit operation control and adjustment, radiation dose management, operation permission examination and approval, personnel access authorization, material tool distribution, environment supervision and evaluation and the like. The general servers need to continuously operate for a long time, active shutdown and maintenance are difficult, once a fault occurs, the influence range is large, data reconstruction is difficult, and great challenges are brought to emergency repair work.
Although computers and information technology are rapidly developed, most servers are provided with disk arrays, and the problem that the servers are not available due to the fault of a single disk is avoided, the contradiction between continuous operation and shutdown maintenance of the servers still cannot be solved, and the problem that the servers are not available due to the fault of internal components of the servers such as a power supply, a network card, a mainboard and a memory cannot be eliminated; some important server systems are configured with main and standby servers, the switching of the main and standby servers is mostly based on manual switching, and although some servers can realize automatic switching and need the support of expensive third-party software and hardware equipment, the hot standby switching among multiple network card interfaces of a single server is not basically supported.
Disclosure of Invention
The invention aims to provide a nuclear power station server fault emergency processing system and method, which solve the problems of automatic monitoring operation and automatic fault switching of main and standby servers of important systems of a nuclear power station under the condition of no human interference.
The technical scheme of the invention is as follows: a nuclear power station server fault emergency processing system comprises a main server standby, a standby server standby, a main switch standby and a standby switch standby, wherein the main server standby is respectively connected with the main switch standby and the standby switch standby through a main server A network standby and a main service B network standby and is communicated with each other; the standby server standby is respectively connected with the main switch standby and the standby switch standby through a standby server A network standby and a standby server B network standby and communicated with each other; the primary switch backup is connected to and communicates with the backup switch backup.
The main server is connected with the main switchboard in a standby mode and/or is supplied with power through the main UPS in a standby mode; the backup server backup and/or backup switch backup is connected and powered through a backup UPS backup.
The main exchange is reserve and main service A net is reserve, standby server A net is reserve between, standby exchange is reserve and main server B net is reserve, standby server B net is reserve between, and all adopt net twine or optic fibre to be connected between main exchange is reserve and standby exchange, and adopt TCP/IP protocol to communicate.
The standby server is also connected with a short message cat standby, and the short message cat standby is communicated with the standby server through a serial port.
The main server standby and the standby server standby are arranged in different rooms or different cabinets, so that physical entity isolation is realized.
The main UPS backup and the standby UPS backup are distributed under different bus power supplies.
The main switch standby and the standby switch standby are connected with a plurality of client sides configured in the subareas, so that a plurality of client sides in the same area are connected to the main switch standby and the standby switch standby in a selective mode.
A nuclear power station server fault emergency processing method comprises the following steps:
monitoring the communication connection condition of a main exchanger and a standby exchanger in the nuclear power plant server fault emergency processing system according to claim 1 by using the standby server;
under the normal working condition of the main switch and the standby switch, monitoring the network on-off state of a main server A network and a main service B network in the main server by using a command script;
when the network fault of the main server is monitored, the IP addresses of a standby server A network and a standby server B network in the standby server are respectively modified into the IP addresses of the main server A network and the main server B network, and the standby server takes over the work of the main server integrally.
Backup server specifically includes main switch and backup switch communication connection condition monitoring:
running a monitoring plan task on the standby server;
the standby server automatically triggers a PING command script periodically to test the communication connection condition of the main switch and the standby switch;
when the communication connection of the main switch and/or the standby switch is failed, sending out a failure short message early warning of the main switch and/or the standby switch through a short message modem.
The monitoring of the network on-off state of the main server by the standby server specifically comprises the following steps:
the standby server sends a command script to test the on-off state of the main server A network;
if the continuous testing times of the main server A network exceed the set threshold value and the main server A network is not connected, judging the fault of the main server A network, and sending a main server A network fault alarm short message through the short message modem;
the standby server triggers a PING command to test the on-off condition of the main server B network;
if the main server B network responds normally, the standby server remotely starts the command script on the main server, exchanges the IP addresses of the main server A network and the main server B network, and replaces the main server A network with the main server B network to continue working.
When the network of the main server fails, the work of replacing the main server by the standby server specifically comprises the following steps:
if the main server A network and the main service B network both have faults, sending a fault alarm short message of the serious downtime of the main server through a short message modem;
starting a standby server command script, modifying the IP addresses of a standby server A network and a standby server B network into the IP addresses of a main server A network and a main server B network, and taking over the work of the main server integrally;
after the command script is successfully executed and the standby server replaces the main server to normally work, sending a notification message that the standby server is successfully automatically switched through the short message cat; and if the command script fails to be executed, generating running log information, sending out early warning information, and waiting for maintenance personnel to intervene in fault first-aid repair.
The invention has the following remarkable effects: the system and the method for emergency treatment of the nuclear power station server fault have the following advantages that: (1) the system comprises multiple redundancies of a main UPS power supply, a main exchanger, an A/B network and the like, and can actively prevent the unavailability of system paralysis caused by the failure of single equipment; (2) the system and the method realize fault diagnosis and intelligent operation through simple command steps carried by an operating system on the premise of not increasing additional computer workstations and professional software, and improve the reliability of the system; (3) the system and the method realize the complete functions of unattended operation, automatic operation, intelligent diagnosis, fault treatment and the like of the complete equipment of the server, and when non-superposition faults occur, the normal operation of the equipment can be rapidly recovered in a short time; (4) the system is provided with the short message modem device, so that the remote monitoring of the running state of the system and the real-time early warning of information are realized, and the information safety of the server system is ensured because the short messages are transmitted in a single direction; (5) the system has lower software and hardware technical difficulty and lower system cost, can realize multiple fault prevention by only configuring simple network cable arrangement, the short message modem and the command script, and can be popularized and used in the power industry.
Drawings
FIG. 1 is a block diagram of a nuclear power plant server fault emergency processing system according to the present invention;
FIG. 2 is a flow chart of a nuclear power plant server fault emergency processing method according to the present invention;
in the figure: 1. a main server; 2. a standby server; 3. a primary server A network; 4. a primary server B network; 5. a standby server A network; 6. a standby server B network; 7. a master switch; 8. a standby switch; 9. a main UPS; 10. a standby UPS; 11. a short message cat; 12. a client A; 13. a client B; 14. a client C; 15. and (4) a client D.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, a nuclear power station server fault emergency processing system includes a main server 1, a standby server 2, a main switch 7 and a standby switch 8, wherein the main server 1 is connected with the main switch 7 and the standby switch 8 through a main server a network 3 and a main server B network 4 respectively and communicates with each other, for example, an RJ45 interface is used, a network cable or an optical fiber is used for connection, and a TCP/IP protocol is used for communication; the standby server 2 is respectively connected with the main switch 7 and the standby switch 8 through a standby server A network 5 and a standby server B network 6 and communicates with each other, for example, RJ45 interfaces are used, the connection is carried out by adopting network cables or optical fibers, and the communication is carried out by adopting a TCP/IP protocol; the main exchanger 7 and the standby exchanger are connected by network cables or optical fibers and communicate with each other by a TCP/IP protocol; the main UPS9 is connected with the main server 1 and the main exchanger 7 and provides alternating current power supply; the standby server 2 is connected with the SMM cat 11 for communication through a serial port, and the standby UPS10 is respectively connected with the standby server 2, the standby switch 8 and the SMM cat 11 and provides alternating current power supply; the main UPS9 and the standby UPS10 are distributed under different bus power supplies, so that the influence of power supply maintenance and conduction on a working power supply for a server and switch equipment is avoided; the client partitions are configured and connected to the main switch 7 and the standby switch 8 in a cross way, for example, a client a12 and a client B13 located in the same zone, and a client C14 and a client D15 located in another zone, wherein the client a12 and the client D15 located in different zones are connected with the main switch 7 through network cables or optical fibers and communicate with each other; the client B13 and the client C14 located in different zones are connected to the standby switch 7 through network cables or optical fibers and communicate with each other; the main server 1 and the standby server 2 are placed in different rooms or different cabinets to realize physical entity isolation; during the normal operation of the system, the main server 1 is preferentially used, the standby server 2 is in a hot standby state, and the monitoring of the on-off of the network and the management of the short message modem are undertaken regularly.
A nuclear power station server fault emergency processing method comprises the following steps:
s1, monitoring the communication connection condition of a main exchanger and a standby exchanger in the nuclear power station server fault emergency processing system by using the standby server;
s11, running a monitoring plan task on the standby server;
s12, the standby server automatically triggers a PING command script regularly to test the communication connection condition of the main switch and the standby switch;
s13, when the communication connection of the main switch and/or the standby switch is failed, sending out a failure short message early warning of the main switch and/or the standby switch through a short message modem;
s2, monitoring the network on-off state of the main server under the normal condition of the main switch and the standby switch;
s21, the standby server sends a command script to test the on-off state of the main server A network;
s22, if the continuous testing times of the main server A network exceed the set threshold value but not pass, judging the main server A network fault, and sending a main server A network fault alarm short message through the short message cat;
s23, the standby server triggers a PING command to test the on-off condition of the main server B network;
s24, if the main server B network responds normally, the standby server remotely starts the command script on the main server, exchanges the IP addresses of the main server A network and the main server B network, and replaces the main server A network with the main server B network to continue working;
s3, when the main server fails in network, the standby server is used for replacing the main server to work normally;
s31, if the main server network A and the main server network B both have faults, sending a fault alarm message of the major downtime of the main server through the short message modem;
s32, starting a standby server command script, modifying the IP addresses of the standby server A network and the standby server B network into the IP addresses of the main server A network and the main server B network, and taking over the work of the main server integrally;
s33, when the command script is successfully executed and the standby server replaces the main server to normally work, sending a notification message that the standby server is successfully automatically switched through the short message cat; and if the command script fails to be executed, generating running log information, sending out early warning information, and waiting for maintenance personnel to intervene in fault first-aid repair.
Claims (11)
1. A nuclear power station server fault emergency processing system is characterized by comprising a main server (1), a standby server (2), a main switch (7) and a standby switch (8), wherein the main server (1) is respectively connected with the main switch (7) and the standby switch (8) through a main server A network (3) and a main service B network (4) and is communicated with each other; the standby server (2) is respectively connected with the main switch (7) and the standby switch (8) through a standby server A network (5) and a standby server B network (6) and is communicated with each other; the main exchange (7) is connected to the standby exchange (8) and communicates with each other.
2. Nuclear power plant server fault emergency handling system according to claim 1, characterized in that the main server (1) and/or main exchange (7) are connected and powered through a main UPS (9); the standby server (2) and/or the standby switch (8) are connected and powered by a standby UPS (10).
3. The system of claim 1, wherein the main switch (7) and the main service A network (3) and the standby server A network (5), the standby switch (8) and the main server B network (4) and the standby server B network (6), and the main switch (7) and the standby switch (8) are connected by network cables or optical fibers and communicate by a TCP/IP protocol.
4. The nuclear power station server fault emergency processing system according to claim 1, wherein the standby server (2) is further connected with a short message modem (11), and the short message modem (11) communicates with the standby server through a serial port.
5. Nuclear power plant server fault emergency handling system according to claim 1, characterized in that the primary (1) and backup (2) servers are located in different rooms or different cabinets for physical isolation.
6. Nuclear power plant server fault emergency handling system according to claim 2, wherein the primary (9) and backup (10) UPSs are distributed under different bus power supplies.
7. The nuclear power plant server fault emergency processing system according to claim 1, wherein the main switch (7) and the standby switch (8) are connected to a plurality of clients configured in a partition, so that a plurality of clients located in the same partition are selectively connected to the main switch (7) and the standby switch (8).
8. A nuclear power station server fault emergency processing method is characterized by comprising the following steps:
monitoring the communication connection condition of a main exchanger and a standby exchanger in the nuclear power plant server fault emergency processing system according to claim 1 by using the standby server;
under the normal working condition of the main switch and the standby switch, monitoring the network on-off state of a main server A network and a main service B network in the main server by using a command script;
when the network fault of the main server is monitored, the IP addresses of a standby server A network and a standby server B network in the standby server are respectively modified into the IP addresses of the main server A network and the main server B network, and the standby server takes over the work of the main server integrally.
9. The nuclear power plant server fault emergency processing method according to claim 8, wherein the monitoring of the communication connection condition between the main switch and the standby switch by the standby server specifically includes:
running a monitoring plan task on the standby server;
the standby server automatically triggers a PING command script periodically to test the communication connection condition of the main switch and the standby switch;
when the communication connection of the main switch and/or the standby switch is failed, sending out a failure short message early warning of the main switch and/or the standby switch through a short message modem.
10. The method for emergency handling of the nuclear power plant server fault according to claim 8, wherein the monitoring of the network on-off state of the main server by the standby server specifically includes:
the standby server sends a command script to test the on-off state of the main server A network;
if the continuous testing times of the main server A network exceed the set threshold value and the main server A network is not connected, judging the fault of the main server A network, and sending a main server A network fault alarm short message through the short message modem;
the standby server triggers a PING command to test the on-off condition of the main server B network;
if the main server B network responds normally, the standby server remotely starts the command script on the main server, exchanges the IP addresses of the main server A network and the main server B network, and replaces the main server A network with the main server B network to continue working.
11. The method for emergency handling of the nuclear power plant server fault according to claim 8, wherein when the network of the main server fails, the replacing the main server with the standby server specifically includes:
if the main server A network and the main service B network both have faults, sending a fault alarm short message of the serious downtime of the main server through a short message modem;
starting a standby server command script, modifying the IP addresses of a standby server A network and a standby server B network into the IP addresses of a main server A network and a main server B network, and taking over the work of the main server integrally;
after the command script is successfully executed and the standby server replaces the main server to normally work, sending a notification message that the standby server is successfully automatically switched through the short message cat; and if the command script fails to be executed, generating running log information, sending out early warning information, and waiting for maintenance personnel to intervene in fault first-aid repair.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115174614A (en) * | 2022-06-17 | 2022-10-11 | 华能核能技术研究院有限公司 | Nuclear power plant emergency decision data processing system and method and electronic equipment |
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| CN115174614A (en) * | 2022-06-17 | 2022-10-11 | 华能核能技术研究院有限公司 | Nuclear power plant emergency decision data processing system and method and electronic equipment |
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