CN103605346A - Master-slave management module failure automatic switching system and realization method thereof - Google Patents
Master-slave management module failure automatic switching system and realization method thereof Download PDFInfo
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- CN103605346A CN103605346A CN201310593869.7A CN201310593869A CN103605346A CN 103605346 A CN103605346 A CN 103605346A CN 201310593869 A CN201310593869 A CN 201310593869A CN 103605346 A CN103605346 A CN 103605346A
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Abstract
The invention relates to a cabinet management system and a realization method thereof, and specifically relates to a master-slave management module failure automatic switching system and a realization method thereof. The abnormity monitoring of a master-slave management module is realized by a third party CPLD which controls an electronic switch and switches the management signal link of the management system of an intelligent cabinet to a master management module or a slave management module. The system and method solve the problem of incapability of automatic switching to another management module when one of the master management module and the slave management module fails, and the master management module and the slave management module are monitored through the third party CPLD which controls the electronic switch, thus the method and system have the advantages of concise algorithm and high reliability.
Description
Technical field
The present invention relates to a kind of rack management system and its implementation, be specifically related to system and its implementation that a kind of principal and subordinate's administration module lost efficacy and automatically switches.
Background technology
The management system of intelligent cabinet has intelligent monitoring, the temperature of management each groove position of rack, on/off, power consumption, the functions such as rotation speed of the fan.The core of management system is administration module, and this just needs administration module reliability high, and has redundant module, in main management module, occurs, after abnormal inefficacy, within the scope of official hour, the management system signal link of intelligent cabinet being switched to from administration module.
At present application is more is that main management module initiatively sends pilot signal to from administration module, when pilot signal is abnormal, supervisory signal link switching arrives from administration module, this exists the electronic switch of the supervisory signal link of the management system of switching intelligent cabinet is by main management module, or control from administration module, general algorithm more complicated, and principal and subordinate's administration module monitors mutually, and reliability is poor.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide the system that a kind of principal and subordinate's administration module lost efficacy and automatically switches, another object is to provide the implementation method that a kind of principal and subordinate's administration module lost efficacy and automatically switches, the present invention solves one of them administration module of principal and subordinate's administration module and lost efficacy, and can not realize the problem that automatically switches to another administration module, the abnormal monitoring of principal and subordinate's administration module is realized by third party CPLD, CPLD controls electronic switch, the supervisory signal link that switches the management system of intelligent cabinet arrives main management module, or from administration module.
The object of the invention is to adopt following technical proposals to realize:
The invention provides the system that a kind of principal and subordinate's administration module lost efficacy and automatically switches, described system comprises the ADMINISTRATION SUBSYSTEM for monitoring cabinet, described ADMINISTRATION SUBSYSTEM comprises main management module and from administration module, its improvements are, described main management module and be sent to respectively CPLD chip from the pilot signal of administration module, main management module and from connecting by UART serial ports between administration module, for real-time synchronization main management module and the data that arrange from administration module;
Described main management module by main management module management signal link to electronic switch signal transmission, described from administration module by from administration module supervisory signal chain road direction electronic switch signal transmission;
Described CPLD chip, main management module management signal link and from administration module supervisory signal link all by electronic switch and supervisory signal link connection; Described CPLD chip, main management module management signal link, from administration module supervisory signal link and electronic switch, be all integrated in administration module backboard.
Further, described CPLD chip comprises 2 counters, is respectively used to monitor main management module and from administration module.
Further, described main management module is to CPLD chip transmission main management module monitors signal, and when main management module is normal, main management module monitors signal is the zero clearing of high level hour counter, and main management module monitors signal is low level hour counter counting;
When main management module is abnormal, main management module monitors signal is low level always, and counter is counted always, when count value surpasses setting value, the main management module of CPLD chip judgement monitoring is abnormal, controls electronic switch supervisory signal link switching is arrived from administration module.
Further, described from administration module to CPLD chip, transmission, from management and monitoring signal, when normal from administration module, is the zero clearing of high level hour counter from administration module pilot signal, from administration module pilot signal, is low level hour counter counting;
When abnormal from administration module, from administration module pilot signal, be low level, counter is counted always always, when count value surpasses setting value, it is abnormal from administration module that the judgement of CPLD chip is monitored, and controls electronic switch supervisory signal link switching is arrived to main management module; In main management module damage, be switched to from administration module, main management module is recovered, after normal operation, to be again switched to main management module through repairing or changing.
Further, between described CPLD chip and electronic switch, transmit electronic switch control signal, when electronic switch signal is 0, connecting main management module management signal link to supervisory signal link, is to connect from administration module supervisory signal link to supervisory signal link for 1 o'clock.
Further, the data that described UART serial ports is used for real-time synchronization main management module and arranges from administration module; Described administration module backboard is to main management module with from administration module power supply, and by main management module management signal link be distributed to the back board system of each groove position of rack from administration module supervisory signal link.
Further, with fpga chip, substitute described CPLD chip; CPLD or FPGA number of pins be except connecting the pilot signal of main management module and from the pilot signal of administration module, and remaining number of pins is greater than in the situation of number of signals of supervisory signal link, and electronic switch is integrated in CPLD chip or fpga chip is inner.
The present invention is based on the implementation method that a kind of principal and subordinate's administration module that another object provides lost efficacy and automatically switches, its improvements are, described method comprises the steps:
(1) system is started working, and CPLD chip acquiescence main management module is normal, by electronic switch by supervisory signal link switching to main management module management signal link, and monitor main management module and from the pilot signal of administration module;
(2) 2 counters in CPLD chip, monitor respectively main management module and from administration module:
When main management module is abnormal, main management module monitors signal is low level always, and counter is counted always, when count value surpasses setting value, the main management module of CPLD chip judgement monitoring is abnormal, controls electronic switch supervisory signal link switching is arrived from administration module;
When abnormal from administration module, from administration module pilot signal, be low level, counter is counted always always, when count value surpasses setting value, it is abnormal from administration module that the judgement of CPLD chip is monitored, and controls electronic switch supervisory signal link switching is arrived to main management module; In main management module damage, be switched to from administration module, main management module is recovered, after normal operation, to be again switched to main management module through repairing or changing.
Further, in described step (1), while working in main management module or from administration module, main management module monitors signal or from the administration module pilot signal fixing square-wave signal of transmission frequency always; In main management module or from administration module lost efficacy, corresponding pilot signal is low level always.
Further, the data that described UART serial ports is used for real-time synchronization main management module and arranges from administration module.
Compared with the prior art, the beneficial effect that the present invention reaches is:
System and its implementation that principal and subordinate's administration module provided by the invention lost efficacy and automatically switches, solving one of them administration module of principal and subordinate's administration module lost efficacy, and can not realize the problem that automatically switches to another administration module, by third party CPLD chip monitoring principal and subordinate administration module, and control electronic switch and realize, there is algorithm succinct, the feature that reliability is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the system of principal and subordinate's administration module inefficacy automatic switchover provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The technical term the present invention relates to is carried out to description below:
The invention provides the system that a kind of principal and subordinate's administration module lost efficacy and automatically switches, its schematic diagram as shown in Figure 1, this system comprises the ADMINISTRATION SUBSYSTEM for monitoring cabinet, described ADMINISTRATION SUBSYSTEM comprises main management module and from administration module, described main management module and be sent to respectively CPLD chip from the pilot signal of administration module, main management module and from connecting by UART serial ports between administration module, for real-time synchronization main management module and the data that arrange from administration module; Main management module by main management module management signal link to electronic switch signal transmission, described from administration module by from administration module supervisory signal chain road direction electronic switch signal transmission;
CPLD chip, main management module management signal link and from administration module supervisory signal link all by electronic switch and supervisory signal link connection; Described CPLD chip, main management module management signal link, from administration module supervisory signal link and electronic switch, be all integrated in administration module backboard.
Between CPLD chip and electronic switch, transmitting electronic switch control signal, connect main management module management signal link to supervisory signal link when electronic switch signal is 0, is to connect from administration module supervisory signal link to supervisory signal link for 1 o'clock.
The data that UART serial ports is used for real-time synchronization main management module and arranges from administration module, can not cause because of the switching of administration module the operation setting of management system different like this; Described administration module backboard is to main management module with from administration module power supply, and by main management module management signal link be distributed to the back board system of each groove position of rack from administration module supervisory signal link.
With fpga chip, substitute described CPLD chip; Supervisory signal link comprises IPMB link management, be generally two-way IIC signal, the number of signals needing is 4, also comprise in addition User Defined signal, such as board signal in place, CPLD or fpga chip are except connecting principal and subordinate's administration module pilot signal, and remaining number of pins is more than or equal to the number of signals of link management, the remaining number of pins of CPLD or fpga chip is more than or equal in the situation of number of signals of link management, and electronic switch is integrated in CPLD chip or fpga chip is inner.
The implementation method that the present invention also provides a kind of principal and subordinate's administration module to lose efficacy and automatically switch, comprises the steps:
(1) system is started working, and CPLD acquiescence main management module is normal, by electronic switch, supervisory signal link switching is arrived to the supervisory signal link of main management module, and monitors main management module, from the pilot signal of administration module.
When administration module works, pilot signal is the fixing square-wave signal of transmission frequency always, and after administration module lost efficacy, pilot signal is low level always.
(2) double counters of CPLD inside, zero clearing when pilot signal is high level, counts during low level.According to counter, whether surpass preset value and judge whether administration module lost efficacy, specific as follows:
By programming, realize 2 counters, monitor respectively principal and subordinate's administration module.When main management module is normal, at pilot signal, be the zero clearing of high level hour counter, pilot signal is low level hour counter counting.When administration module is abnormal, pilot signal is low level always, and counter is counted always, and when count value surpasses setting value, the administration module of CPLD judgement monitoring is abnormal, controls electronic switch, and supervisory signal link switching is arrived from administration module.
From administration module, equally with counter monitoring, monitor procedure and main management module monitors process are basic identical.Different is, after main management module is repaired or changed, to recover normal, even working properly from administration module, is also switched to main management module.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. the system that principal and subordinate's administration module lost efficacy and automatically switches, described system comprises the ADMINISTRATION SUBSYSTEM for monitoring cabinet, described ADMINISTRATION SUBSYSTEM comprises main management module and from administration module, it is characterized in that, described main management module and be sent to respectively CPLD chip from the pilot signal of administration module, main management module and from connecting by UART serial ports between administration module, for real-time synchronization main management module and the data that arrange from administration module;
Described main management module by main management module management signal link to electronic switch signal transmission, described from administration module by from administration module supervisory signal chain road direction electronic switch signal transmission;
Described CPLD chip, main management module management signal link and from administration module supervisory signal link all by electronic switch and supervisory signal link connection; Described CPLD chip, main management module management signal link, from administration module supervisory signal link and electronic switch, be all integrated in administration module backboard.
2. the system as claimed in claim 1, is characterized in that, described CPLD chip comprises 2 counters, is respectively used to monitor main management module and from administration module.
3. system as claimed in claim 2, it is characterized in that, described main management module is to CPLD chip transmission main management module monitors signal, when main management module is normal, main management module monitors signal is the zero clearing of high level hour counter, and main management module monitors signal is low level hour counter counting;
When main management module is abnormal, main management module monitors signal is low level always, and counter is counted always, when count value surpasses setting value, the main management module of CPLD chip judgement monitoring is abnormal, controls electronic switch supervisory signal link switching is arrived from administration module.
4. system as claimed in claim 2, it is characterized in that, described from administration module to CPLD chip transmission from administration module pilot signal, when normal from administration module, from administration module pilot signal, being the zero clearing of high level hour counter, is low level hour counter counting from administration module pilot signal;
When abnormal from administration module, from administration module pilot signal, be low level, counter is counted always always, when count value surpasses setting value, it is abnormal from administration module that the judgement of CPLD chip is monitored, and controls electronic switch supervisory signal link switching is arrived to main management module; In main management module damage, be switched to from administration module, main management module is recovered, after normal operation, to be again switched to main management module through repairing or changing.
5. the system as claimed in claim 1, it is characterized in that, between described CPLD chip and electronic switch, transmit electronic switch control signal, when electronic switch signal is 0, connecting main management module management signal link to supervisory signal link, is to connect from administration module supervisory signal link to supervisory signal link for 1 o'clock.
6. the system as claimed in claim 1, is characterized in that, the data that described UART serial ports is used for real-time synchronization main management module and arranges from administration module; Described administration module backboard is to main management module with from administration module power supply, and by main management module management signal link be distributed to the back board system of each groove position of rack from administration module supervisory signal link.
7. the system as described in any one in claim 1-5, is characterized in that, with fpga chip, substitutes described CPLD chip; CPLD or FPGA number of pins be except connecting the pilot signal of main management module and from the pilot signal of administration module, and remaining number of pins is greater than in the situation of number of signals of supervisory signal link, and electronic switch is integrated in CPLD chip or fpga chip is inner.
8. the implementation method that principal and subordinate's administration module lost efficacy and automatically switches, is characterized in that, described method comprises the steps:
(1) system is started working, and CPLD chip acquiescence main management module is normal, by electronic switch by supervisory signal link switching to main management module management signal link, and monitor main management module and from the pilot signal of administration module;
(2) 2 counters in CPLD chip, monitor respectively main management module and from administration module:
When main management module is abnormal, main management module monitors signal is low level always, and counter is counted always, when count value surpasses setting value, the main management module of CPLD chip judgement monitoring is abnormal, controls electronic switch supervisory signal link switching is arrived from administration module;
When abnormal from administration module, from administration module pilot signal, be low level, counter is counted always always, when count value surpasses setting value, it is abnormal from administration module that the judgement of CPLD chip is monitored, and controls electronic switch supervisory signal link switching is arrived to main management module; In main management module damage, be switched to from administration module, main management module is recovered, after normal operation, to be again switched to main management module through repairing or changing.
9. implementation method as claimed in claim 8, is characterized in that, in described step (1), and while working in main management module or from administration module, main management module monitors signal or from the administration module pilot signal fixing square-wave signal of transmission frequency always; In main management module or from administration module lost efficacy, corresponding pilot signal is low level always.
10. implementation method as claimed in claim 8, is characterized in that, the data that described UART serial ports is used for real-time synchronization main management module and arranges from administration module.
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| CN113721503A (en) * | 2021-08-16 | 2021-11-30 | 北京超星未来科技有限公司 | Vehicle-mounted computing platform, unmanned system and vehicle |
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