CN102541697A - Switching method for processing fault of dual-redundancy computer - Google Patents
Switching method for processing fault of dual-redundancy computer Download PDFInfo
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- CN102541697A CN102541697A CN201010620061XA CN201010620061A CN102541697A CN 102541697 A CN102541697 A CN 102541697A CN 201010620061X A CN201010620061X A CN 201010620061XA CN 201010620061 A CN201010620061 A CN 201010620061A CN 102541697 A CN102541697 A CN 102541697A
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Abstract
The invention discloses a switching method for processing a fault of a dual-redundancy computer, which comprises the following steps that: 1, a system is powered up, a master device carries out control inhibition and a slave device carries out control inhibition; 2, the slave device carries out real-time monitoring on the state of the system; 3, the slave device judges whether the master device normally works, if yes, the master device carries out control output and the slave device carries out backup monitoring, and if no, the step 4 is executed; 4, the master equipment notifies the slave equipment fault information; and 5, the master device carries out control inhibition and the slave device implements switching control output and simultaneously monitors the master device. According to the switching method for processing the fault of the dual-redundancy computer, which is disclosed by the invention, the fault logicality is implemented by adopting a discrete magnitude signal and a FPGA (Field Programmable Gate Array), the fault judgment, the fault information transmission and the master and slave function switching of the master and slave devices are completed in real time.
Description
Technical field
The present invention relates to a kind of fault handling method of computing machine, relate in particular to the fault handling changing method of a kind of pair of remaining computing machine.
Background technology
In order to improve the reliability of system, many computer systems are to the working method of entire equipment or the two remaining Hot Spares of part key function employing, when master malfunction or after breaking down; Alternate device can determine main equipment and break down and switch automatically, continues operate as normal with the assurance system, and embedded computer all compares harshness to reliability power consumption and volume requirement now; The method must back up equipment; And after system breaks down, just can find the fault of main equipment through the equipment of backup, and switching, the extra resource that needs is very big; Power consumption is big, and operational process, operating process are quite complicated.
Summary of the invention
In order to solve existing technical matters in the background technology; The present invention proposes the changing method that a kind of pair of remaining computer failure handled; Adopt discrete magnitude signal and FPGA to realize fault logic, fault judgement, failure message transmission and the principal and subordinate's function of accomplishing master-slave equipment are in real time switched.
Technical solution of the present invention is: a kind of pair of changing method that the remaining computer failure is handled, and its special character is: said method comprising the steps of:
1) system is powered on, main equipment control forbids that slave unit control is forbidden;
2) slave unit is monitored system state in real time;
3) slave unit judges whether main equipment is in proper working order; If, then main equipment control output, slave unit backs up monitoring; If not, then carry out step 4);
4) main equipment is notified slave unit with failure message;
5) main equipment control is forbidden, slave unit is realized switching controls output, and simultaneously to master device monitors.
Above-mentioned steps 5) also comprises step 6) afterwards if slave unit goes wrong in system's operational process, then carry out step 6) and judge whether to force to switch, if then switch to main equipment control output.
Above-mentioned steps 3) slave unit judges whether concrete steps in proper working order are main equipment:
3.1) slave unit detects main equipment, at first judges whether power-fail of main equipment, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then carry out step 3.2);
3.2) judge that whether main equipment has house dog to report to the police, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then carry out step 3.3);
3.3) judge whether software BIT mistake of main equipment, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then returns step 3) and carry out again.
Above-mentioned steps 4) concrete steps of notice are in:
4.1) main equipment becomes low level with C_Go/Nogo discrete magnitude fault-signal by high level through hardware;
4.2) this C_Go/Nogo discrete magnitude isolates the back through light lotus root and become high level from low level;
4.3) the high level fault signal in the step 2 sends into the B_gonogo_in input of slave unit, notice slave unit master-failure.
Above-mentioned steps 5) main equipment control is forbidden, the concrete steps that slave unit switches are:
5.1) the application program master-failure of slave unit through the interrupt notification slave unit, need switch to slave unit;
5.2) state of slave unit Hardware configuration internal fault switching controls register is changed to ' 0 ', is configured to switching state;
5.3) the B_valid signal of switching controls register output is low level, expression is carried out system's control by slave unit;
5.4) after the B_valid signal of output isolated through the light lotus root, the C_valid_in input control main equipment of sending into main equipment switched, main equipment will export to control through internal hardware and forbid;
5.5) the inner switching controls register controlled switch logic of slave unit enables the output control of slave unit.
Main equipment carries out system's control under the method normal condition of the present invention, and slave unit is monitored backup; During master-failure system task is switched to the slave unit operation, carry out system's control by slave unit; After system gets into slave unit backup state of a control,, can system task be switched to the main equipment operation from slave unit by force through forcing handoff functionality according to the needs of reality.Can make and realize fault judgement, failure message transmission and the switching of principal and subordinate's function between the master-slave equipment; The complete electrical isolation of this method master-slave equipment adopts discrete magnitude signal and FPGA to realize fault logic, and system works mechanism is clear, control realizes simple, stable and reliable operation.
Description of drawings
Fig. 1 is a method flow diagram of the present invention;
Fig. 2 is fault handling of the present invention and switches the specific embodiment synoptic diagram;
Fig. 3 is a slave unit fault judgement process flow diagram in the method for the present invention;
Fig. 4 is from the schematic diagram of active and standby signalling trouble in the method for the present invention;
Fig. 5 is the schematic flow sheet that slave unit switches among the present invention;
Embodiment
Referring to Fig. 1, Fig. 2, the of the present invention pair of changing method that the remaining computer failure is handled may further comprise the steps:
1) system is powered on, main equipment control forbids that slave unit control is forbidden;
2) slave unit is monitored system state in real time;
3) slave unit judges whether main equipment is in proper working order; If, then main equipment control output, slave unit backs up monitoring; If not, then carry out step 4);
Referring to Fig. 3, slave unit judges whether concrete steps in proper working order are main equipment:
3.1) slave unit detects main equipment, at first judges whether power-fail of main equipment, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then carry out step 3.2);
3.2) judge that whether main equipment has house dog to report to the police, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then carry out step 3.3);
3.3) judge whether software BIT mistake of main equipment, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then returns step 3) and carry out again.
Referring to Fig. 4,4) main equipment notice slave unit, the concrete steps of notice are:
4.1) main equipment becomes low level with C_Go/Nogo discrete magnitude fault-signal by high level through hardware;
4.2) this C_Go/Nogo discrete magnitude isolates the back through light lotus root and become high level from low level;
4.3) step 2) and in the high level fault signal send into the B_gonogo_in input of slave unit, notice slave unit master-failure.
Referring to Fig. 5, main equipment control forbids that slave unit is realized switching controls output, and simultaneously to master device monitors,
Concrete implementation is:
5.1) the application program master-failure of slave unit through the interrupt notification slave unit, need switch to slave unit;
5.2) state of slave unit Hardware configuration internal fault switching controls register is changed to ' 0 ', is configured to switching state;
5.3) the B_valid signal of switching controls register output is low level, expression is carried out system's control by slave unit;
5.4) after the B_valid signal of output isolated through the light lotus root, the C_valid_in input control main equipment of sending into main equipment switched, main equipment will export to control through internal hardware and forbid;
5.5) the inner switching controls register controlled switch logic of slave unit enables the output control of slave unit.
6), then carry out step 6) and judge whether to force to switch, if then switch to main equipment control output if slave unit goes wrong in system's operational process.
Carry out the signal parameter that method that main equipment and slave unit switch is used among the present invention, referring to table one;
Table one
Claims (5)
1. changing method that two remaining computer failures are handled is characterized in that: said method comprising the steps of:
1) system is powered on, main equipment control forbids that slave unit control is forbidden;
2) slave unit is monitored system state in real time;
3) slave unit judges whether main equipment is in proper working order; If, then main equipment control output, slave unit backs up monitoring; If not, then carry out step 4);
4) main equipment is notified slave unit with failure message;
5) main equipment control is forbidden, slave unit is realized switching controls output, and simultaneously to master device monitors.
2. the according to claim 1 pair of changing method that the remaining computer failure is handled; It is characterized in that: also comprise step 6) after the said step 5) if slave unit goes wrong in system's operational process; Then carrying out step 6) judges whether to force to switch; If then switch to main equipment control output.
3. the according to claim 1 and 2 pair of changing method that the remaining computer failure is handled, it is characterized in that: said step 3) slave unit judges whether concrete steps in proper working order are main equipment:
3.1) slave unit detects main equipment, at first judges whether power-fail of main equipment, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then carry out step 3.2);
3.2) judge that whether main equipment has house dog to report to the police, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then carry out step 3.3);
3.3) judge whether software BIT mistake of main equipment, if then the fault register of main equipment is changed to ' 0 ' by ' 1 ', if not, then returns step 3) and carry out again.
4. the according to claim 3 pair of changing method that the remaining computer failure is handled, it is characterized in that: the concrete steps of notifying in the said step 4) are:
4.1) main equipment becomes low level with C_Go/Nogo discrete magnitude fault-signal by high level through hardware;
4.2) this C_Go/Nogo discrete magnitude isolates the back through light lotus root and become high level from low level;
4.3) step 2) and in the high level fault signal send into the B_gonogo_in input of slave unit, notice slave unit master-failure.
5. the according to claim 4 pair of changing method that the remaining computer failure is handled is characterized in that: said step 5) main equipment control forbids that the concrete steps that slave unit switches are:
5.1) the application program master-failure of slave unit through the interrupt notification slave unit, need switch to slave unit;
5.2) state of slave unit Hardware configuration internal fault switching controls register is changed to ' 0 ', is configured to switching state;
5.3) the B_valid signal of switching controls register output is low level, expression is carried out system's control by slave unit;
5.4) after the B_valid signal of output isolated through the light lotus root, the C_valid_in input control main equipment of sending into main equipment switched, main equipment will export to control through internal hardware and forbid;
5.5) the inner switching controls register controlled switch logic of slave unit enables the output control of slave unit.
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| CN201010620061XA CN102541697A (en) | 2010-12-31 | 2010-12-31 | Switching method for processing fault of dual-redundancy computer |
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| CN103533588A (en) * | 2013-09-27 | 2014-01-22 | 宇龙计算机通信科技(深圳)有限公司 | Method for switching current operation application in sub machine to host machine for operation, and mobile terminal for method |
| CN103678049A (en) * | 2013-12-10 | 2014-03-26 | 中国航空工业集团公司第六三一研究所 | Fault isolating and switching method of redundancy fault-tolerant computer system |
| CN103853622A (en) * | 2012-11-28 | 2014-06-11 | 中国航空工业集团公司第六三一研究所 | Control method of dual redundancies capable of being backed up mutually |
| CN104615510A (en) * | 2015-03-09 | 2015-05-13 | 中国科学院自动化研究所 | Programmable device-based dual-mode redundant fault-tolerant method |
| CN105608039A (en) * | 2015-12-10 | 2016-05-25 | 中国航空工业集团公司西安航空计算技术研究所 | FIFO and ARINC659 bus based dual-redundancy computer period control system and method |
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| CN106597944A (en) * | 2016-12-20 | 2017-04-26 | 中国船舶重工集团公司第七�三研究所 | Dual-DSP-controller seamless switching system and switching method |
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| CN107957692A (en) * | 2016-10-14 | 2018-04-24 | 中国石油天然气集团公司 | Controller redundancy approach, apparatus and system |
| CN108021406A (en) * | 2017-11-03 | 2018-05-11 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of double remaining Hot Spare cpu systems suitable for airborne computer |
| CN109698775A (en) * | 2018-11-21 | 2019-04-30 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of dual-machine redundancy backup system based on real-time status detection |
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| CN103533588A (en) * | 2013-09-27 | 2014-01-22 | 宇龙计算机通信科技(深圳)有限公司 | Method for switching current operation application in sub machine to host machine for operation, and mobile terminal for method |
| CN103678049A (en) * | 2013-12-10 | 2014-03-26 | 中国航空工业集团公司第六三一研究所 | Fault isolating and switching method of redundancy fault-tolerant computer system |
| CN104615510A (en) * | 2015-03-09 | 2015-05-13 | 中国科学院自动化研究所 | Programmable device-based dual-mode redundant fault-tolerant method |
| CN105608039B (en) * | 2015-12-10 | 2019-04-05 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of double redundancy computer cycle control system and method based on FIFO and ARINC659 bus |
| CN105608039A (en) * | 2015-12-10 | 2016-05-25 | 中国航空工业集团公司西安航空计算技术研究所 | FIFO and ARINC659 bus based dual-redundancy computer period control system and method |
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| CN107957692A (en) * | 2016-10-14 | 2018-04-24 | 中国石油天然气集团公司 | Controller redundancy approach, apparatus and system |
| CN106597944A (en) * | 2016-12-20 | 2017-04-26 | 中国船舶重工集团公司第七�三研究所 | Dual-DSP-controller seamless switching system and switching method |
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| CN109814519A (en) * | 2017-11-22 | 2019-05-28 | 成都凯天电子股份有限公司 | The method of remaining switching dual-redundancy avionics apparatus output signal |
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| CN109698775A (en) * | 2018-11-21 | 2019-04-30 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of dual-machine redundancy backup system based on real-time status detection |
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| CN110442073A (en) * | 2019-08-30 | 2019-11-12 | 四川腾盾科技有限公司 | A kind of redundance Aircraft Management Computer MIO board channel fault logic judgment method |
| CN110442073B (en) * | 2019-08-30 | 2020-07-10 | 四川腾盾科技有限公司 | Logical judgment method for redundant airplane management computer MIO board channel fault |
| CN110825206A (en) * | 2019-11-13 | 2020-02-21 | 沧州师范学院 | Computer integration system and automatic fault switching method |
| CN110825206B (en) * | 2019-11-13 | 2024-03-19 | 沧州师范学院 | Computer integrated system and fault automatic switching method |
| CN111142945A (en) * | 2019-11-28 | 2020-05-12 | 中国航空工业集团公司西安航空计算技术研究所 | Dynamic switching method for master channel and slave channel of dual-redundancy computer |
| CN111142945B (en) * | 2019-11-28 | 2023-06-13 | 中国航空工业集团公司西安航空计算技术研究所 | Master and slave channel dynamic switching method for dual-redundancy computer |
| CN112182876A (en) * | 2020-09-25 | 2021-01-05 | 西安微电子技术研究所 | Dual-redundancy steering engine channel fault switching system and logic design method |
| CN112182876B (en) * | 2020-09-25 | 2023-06-20 | 西安微电子技术研究所 | Dual-redundancy steering engine channel fault switching system and logic design method |
| CN113050407A (en) * | 2021-03-04 | 2021-06-29 | 中国航空工业集团公司西安航空计算技术研究所 | Method for determining and switching master controller and slave controller of distributed processing system |
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Application publication date: 20120704 |