CN104111881B - A kind of arbitration device for dual-computer redundancy Hot Spare computing machine - Google Patents

Abstract

The invention discloses a kind of arbitration device for dual-computer redundancy Hot Spare computing machine, comprise: arbitration controller (7), status monitor (5) and network switch (8), also comprise: milestone synchronizing information device (6), IO handover module (10), RS422 handover module (11), KVM switch controller (9), working host dual port RAM interface (3) and backup host dual port RAM interface (4).The starting stage of dual-computer redundancy Hot Spare computer booting work, arbitration device one determines main frame on duty in working host and backup host, and two is carry out synchronous startup; In operational process after start, arbitration device one carries out tasks synchronization and data syn-chronization to working host and backup host, and two is carry out mian engine changeover operation on duty according to condition monitoring result.The indication control board that present invention accomplishes Modern Ships relevant equipment is to the demand of dual-computer redundancy Hot Spare computer operating ability and real-time.

Description

A kind of arbitration device for dual-computer redundancy Hot Spare computing machine

Technical field

The present invention relates to a kind of arbitration device, particularly a kind of arbitration device for dual-computer redundancy Hot Spare computing machine.

Background technology

Arbitration device is the core apparatus of dual-computer redundancy Hot Spare computing machine, carries out condition monitoring with synchronous, select main frame on duty, and switched between working host and backup host by outside input/output signal according to status information two main frames of Hot Spare.Existing multiple commercial dual-computer redundancy computing machine on current domestic and international market, arbitration device is integrated on computer main frame panel, comprise: arbitration controller, network switch, USB switch, status monitor, working host condition monitoring interface and backup host condition monitoring interface, wherein working host condition monitoring interface is connected with status monitor, backup host condition monitoring interface is connected with status monitor, status monitor is connected with arbitration controller, network switch is connected with arbitration controller, and USB switch is connected with arbitration controller.The arbitration device of commercial dual-computer redundancy computing machine achieves the synchronization and handover function of two-shipper, but the arbitration device of commercial dual-computer redundancy computing machine lays particular emphasis on the arbitration of computer information processing function, consider not enough to the arbitration of operation controlling functions, the arbitration device of commercial dual-computer redundancy computing machine lays particular emphasis on the context completeness of dual-computer redundancy switching, considers not enough to the switching real-time of working host and backup host.Therefore, the arbitration device of the commercial dual-computer redundancy computing machine indication control board that can not meet Modern Ships relevant equipment is to the demand of dual-computer redundancy Hot Spare computer operating ability and real-time.

Summary of the invention

The object of the present invention is to provide a kind of arbitration device for dual-computer redundancy Hot Spare computing machine, solve the problem of current commercial dual-computer redundancy computing machine arbitration device manipulation function arbitrating capabilities deficiency and poor real.

A kind of arbitration device for dual-computer redundancy Hot Spare computing machine, comprise: arbitration controller, status monitor, working host condition monitoring interface, backup host condition monitoring interface and network switch, also comprise: milestone synchronizing information device, IO handover module, RS422 handover module, KVM switch controller, working host dual port RAM interface and backup host dual port RAM interface; Wherein IO handover module comprises: working host I/O interface, backup host I/O interface and external I/O interface; RS422 handover module comprises: working host RS422 interface, backup host RS422 interface and external RS422 interface.

The output terminal of working host condition monitoring interface is connected with the input end of status monitor, the output terminal of backup host condition monitoring interface is connected with the input end of status monitor, the output terminal of status monitor is connected with the input end of arbitration controller, working host dual port RAM interface and milestone synchronizing information device are bi-directionally connected, backup host dual port RAM interface and milestone synchronizing information device are bi-directionally connected, and the output terminal of milestone synchronizing information device is connected with the input end of arbitration controller.The output terminal of arbitration controller is connected with the input end of network switch, the output terminal of arbitration controller is connected with the input end of KVM switch controller, the output terminal of arbitration controller is connected with the input end of IO handover module, and the output terminal of arbitration controller is connected with the input end of RS422 handover module.Working host I/O interface and external I/O interface are bi-directionally connected, and backup host I/O interface and external I/O interface are bi-directionally connected, and working host RS232 interface and external RS422 interface are bi-directionally connected, and backup host RS422 interface and external RS422 interface are bi-directionally connected.

The starting stage of dual-computer redundancy Hot Spare computer booting work, arbitration device carries out two work: one is determine main frame on duty in working host and backup host, and two is carry out synchronous startup.The startup self-detection result of working host condition monitoring interface working host, the startup self-detection result of backup host condition monitoring interface backup host, and gather and send to status monitor.The self-detection result of status monitor analytical work main frame and backup host, analysis result is transferred to arbitration controller.Arbitration controller select non-fault or without the main frame of machine fault of delaying as main frame on duty, under the condition that working host is identical with backup host fault state, prioritizing selection working host is as main frame on duty.Synchronous startup sends task start order by milestone synchronizing information device and realizes.The synchronous startup information of working host dual port RAM interface working host, the synchronous startup information of backup host dual port RAM interface backup host, and read by milestone synchronizing information device, after the synchronous startup information of working host and backup host is all read by milestone synchronizing information synchronizer, milestone synchronizing information device sends task start order by working host dual port RAM interface to working host, meanwhile, milestone synchronizing information device sends task start order by backup host dual port RAM interface to backup host.

In operational process after dual-computer redundancy Hot Spare computer booting, arbitration device carries out two work, and one is carry out tasks synchronization and data syn-chronization to working host and backup host, and two is carry out mian engine changeover operation on duty according to condition monitoring result.

The tasks synchronization of working host and backup host and data syn-chronization occur in both cases: one is come synchronizing cycle, and two is that mian engine changeover on duty operation occurs.The tasks synchronization information that working host dual port RAM interface working host is sent, and be transferred to milestone synchronizing information device; The tasks synchronization information that backup host dual port RAM interface backup host dual port RAM interface is sent, and be transferred to milestone synchronizing information device.Tasks synchronization information comprises software code and progress identification code.Milestone synchronizing information device compares the tasks synchronization information of working host and backup host, judge the numbering of advanced main frame, and ask difference and progress identification code to ask difference to draw the advanced task amount of advanced main frame by software code, advanced main frame numbering and advanced task amount are sent to arbitration controller by milestone synchronizing information device.According to the numbering of work at present main frame, arbitration controller judges that advanced main frame is working host or backup host, synchronizing cycle then or when there is mian engine changeover on duty, send the order of tasks synchronization and data syn-chronization, be transferred to working host dual port RAM interface and backup host dual port RAM interface via milestone synchronizing information device simultaneously.

The status information of working host condition monitoring interface working host, is transferred to status monitor; The status information of backup host condition monitoring interface backup host, be transferred to status monitor, status information comprises: show heartbeat message, the working host representing working host and backup host fault type and fault degree and backup host failure message that working host and backup host exist and run.Status monitor carries out analyzing and processing to the working host received and backup host status information, the responsive state of working host and backup host is judged according to heartbeat message, responsive state be divided into main frame to exist and run, main frame do not respond two kinds, the fault level of working host and backup host is judged according to working host and backup host failure message, fault level is divided into non-fault, display fault, interface fault and memory failure four kinds, and responsive state and fault level are transferred to arbitration controller by status monitor respectively.Arbitration controller compares the failure condition of working host and backup host, makes following three kinds of decision-making: a: whether carry out mian engine changeover on duty according to the position of current main frame on duty; B: reset reboot operation is carried out to the main frame do not responded; C: notice backup host and working host carry out task and data syn-chronization.Wherein decision-making a sends to network switch, KVM switch controller, IO handover module and RS422 handover module.After IO handover module receives decision-making a, judge that the main frame on duty in decision-making a is working host or backup host, the IO output signal of main frame on duty sends to external I/O interface, and the IO of non-main frame on duty outputs signal conductively-closed; The external input signal of external I/O interface had both sent to working host I/O interface, also sent to backup host I/O interface.After RS422 handover module receives decision-making a, judge that the main frame on duty in decision-making a is working host or backup host, the RS422 output signal of main frame on duty sends to external RS422 interface, the RS422 of non-main frame on duty outputs signal conductively-closed, the external input signal of external RS422 interface had both sent to working host RS422 interface, also sent to backup host RS422 interface.The decision-making b of arbitration controller sends to milestone synchronizing information device, and milestone synchronizing information device judges that not responding main frame is working host or backup host, generates the order of reset reboot operation and sends to the dual port RAM interface not responding main frame.The decision-making c of arbitration controller sends to milestone synchronizing information device.

Present invention achieves the arbitration function of two-node cluster hot backup computing machine, and the indication control board meeting Modern Ships relevant equipment is to the demand of dual-computer redundancy Hot Spare computer operating ability and real-time.

Accompanying drawing explanation

The structural representation of a kind of arbitration device for dual-computer redundancy Hot Spare computing machine of Fig. 1.

1. the external RS422 interface of the working host condition monitoring interface 2. backup host condition monitoring interface 3. working host dual port RAM interface 4. backup host dual port RAM interface 5. status monitor 6. milestone synchronizing information device 7. arbitration controller 8. network switch 9.KVM switch controller 10.IO handover module 11.RS422 handover module 12. working host I/O interface 13. backup host external I/O interface 15. working host RS422 interface 16. backup host RS422 interface 17. of I/O interface 14.

Embodiment

A kind of arbitration device for dual-computer redundancy Hot Spare computing machine, comprise: arbitration controller 7, status monitor 5, working host condition monitoring interface 1, backup host condition monitoring interface 2 and network switch 8, also comprise: milestone synchronizing information device 6, IO handover module 10, RS422 handover module 11, KVM switch controller 9, working host dual port RAM interface 3 and backup host dual port RAM interface 4; Wherein IO handover module 10 comprises: working host I/O interface 12, backup host I/O interface 13 and external I/O interface 14; RS422 handover module 11 comprises: working host RS422 interface 15, backup host RS422 interface 16 and external RS422 interface 17.

The output terminal of working host condition monitoring interface 1 is connected with the input end of status monitor 5, the output terminal of backup host condition monitoring interface 2 is connected with the input end of status monitor 5, the output terminal of status monitor 5 is connected with the input end of arbitration controller 7, working host dual port RAM interface 3 and milestone synchronizing information device 6 are bi-directionally connected, backup host dual port RAM interface 4 and milestone synchronizing information device 6 are bi-directionally connected, and the output terminal of milestone synchronizing information device 6 is connected with the input end of arbitration controller 7.The output terminal of arbitration controller 7 is connected with the input end of network switch 8, the output terminal of arbitration controller 7 is connected with the input end of KVM switch controller 9, the output terminal of arbitration controller 7 is connected with the input end of IO handover module 10, and the output terminal of arbitration controller 7 is connected with the input end of RS422 handover module 11.Working host I/O interface 12 and external I/O interface 14 are bi-directionally connected, backup host I/O interface 13 and external I/O interface 14 are bi-directionally connected, working host RS232 interface and external RS422 interface 17 are bi-directionally connected, and backup host RS422 interface 16 and external RS422 interface 17 are bi-directionally connected.

The starting stage of dual-computer redundancy Hot Spare computer booting work, arbitration device carries out two work: one is determine main frame on duty in working host and backup host, and two is carry out synchronous startup.Working host condition monitoring interface 1 receives the startup self-detection result of working host, and backup host condition monitoring interface 2 receives the startup self-detection result of backup host, and gathers and send to status monitor 5.The self-detection result of status monitor 5 analytical work main frame and backup host, analysis result is transferred to arbitration controller 7.Arbitration controller 7 select non-fault or without the main frame of machine fault of delaying as main frame on duty, under the condition that working host is identical with backup host fault state, prioritizing selection working host is as main frame on duty.Synchronous startup is sent task start order to realize by milestone synchronizing information device 6.Working host dual port RAM interface 3 receives the synchronous startup information of working host, backup host dual port RAM interface 4 receives the synchronous startup information of backup host, and read by milestone synchronizing information device 6, after the synchronous startup information of working host and backup host is all read by milestone synchronizing information synchronizer, milestone synchronizing information device 6 sends task start order by working host dual port RAM interface 3 to working host, meanwhile, milestone synchronizing information device 6 sends task start order by backup host dual port RAM interface 4 to backup host.

In operational process after dual-computer redundancy Hot Spare computer booting, arbitration device carries out two work, and one is carry out tasks synchronization and data syn-chronization to working host and backup host, and two is carry out mian engine changeover operation on duty according to condition monitoring result.

The tasks synchronization of working host and backup host and data syn-chronization occur in both cases: one is come synchronizing cycle, and two is that mian engine changeover on duty operation occurs.Working host dual port RAM interface 3 receives the tasks synchronization information that working host is sent, and is transferred to milestone synchronizing information device 6; Backup host dual port RAM interface 4 receives the tasks synchronization information that backup host dual port RAM interface 4 is sent, and is transferred to milestone synchronizing information device 6.Tasks synchronization information comprises software code and progress identification code.Milestone synchronizing information device 6 compares the tasks synchronization information of working host and backup host, judge the numbering of advanced main frame, and ask difference and progress identification code to ask difference to draw the advanced task amount of advanced main frame by software code, advanced main frame numbering and advanced task amount are sent to arbitration controller 7 by milestone synchronizing information device 6.According to the numbering of work at present main frame, arbitration controller 7 judges that advanced main frame is working host or backup host, synchronizing cycle then or when there is mian engine changeover on duty, send the order of tasks synchronization and data syn-chronization, be transferred to working host dual port RAM interface 3 and backup host dual port RAM interface 4 via milestone synchronizing information device 6 simultaneously.

Working host condition monitoring interface 1 receives the status information of working host, is transferred to status monitor 5; Backup host condition monitoring interface 2 receives the status information of backup host, be transferred to status monitor 5, status information comprises: show the heartbeat message that working host and backup host exist and run, the hostdown information representing working host and backup host fault type and fault degree.Status monitor 5 carries out analyzing and processing to the working host received and backup host status information, the responsive state of working host and backup host is judged according to heartbeat message, responsive state be divided into main frame to exist and run, main frame do not respond two kinds, the fault level of working host and backup host is judged according to working host and backup host failure message, fault level is divided into non-fault, display fault, interface fault and memory failure four kinds, and responsive state and fault level are transferred to arbitration controller 7 by status monitor 5 respectively.Arbitration controller 7 compares the failure condition of working host and backup host, makes following three kinds of decision-making: a: whether carry out mian engine changeover on duty according to the position of current main frame on duty; B: reset reboot operation is carried out to the main frame do not responded; C: notice backup host and working host carry out task and data syn-chronization.Wherein decision-making a sends to network switch 8, KVM switch controller 9, IO handover module 10 and RS422 handover module 11.After IO handover module 10 receives decision-making a, judge that the main frame on duty in decision-making a is working host or backup host, the IO output signal of main frame on duty sends to external I/O interface 14, and the IO of non-main frame on duty outputs signal conductively-closed; The external input signal of external I/O interface 14 had both sent to working host I/O interface 12, also sent to backup host I/O interface 13.After RS422 handover module 11 receives decision-making a, judge that the main frame on duty in decision-making a is working host or backup host, the RS422 output signal of main frame on duty sends to external RS422 interface 17, the RS422 of non-main frame on duty outputs signal conductively-closed, the external input signal of external RS422 interface 17 had both sent to working host RS422 interface 15, also sent to backup host RS422 interface 16.The decision-making b of arbitration controller 7 sends to milestone synchronizing information device 6, and milestone synchronizing information device 6 judges that not responding main frame is working host or backup host, generates the order of reset reboot operation and sends to the dual port RAM interface not responding main frame.The decision-making c of arbitration controller 7 sends to milestone synchronizing information device 6.

Claims (1)

1. the arbitration device for dual-computer redundancy Hot Spare computing machine, comprise: arbitration controller (7), status monitor (5), working host condition monitoring interface (1), backup host condition monitoring interface (2) and network switch (8), characterized by further comprising: milestone synchronizing information device (6), IO handover module (10), RS422 handover module (11), KVM switch controller (9), working host dual port RAM interface (3) and backup host dual port RAM interface (4); Wherein IO handover module (10) comprising: working host I/O interface (12), backup host I/O interface (13) and external I/O interface (14); RS422 handover module (11) comprising: working host RS422 interface (15), backup host RS422 interface (16) and external RS422 interface (17);

The output terminal of working host condition monitoring interface (1) is connected with the input end of status monitor (5), the output terminal of backup host condition monitoring interface (2) is connected with the input end of status monitor (5), the output terminal of status monitor (5) is connected with the input end of arbitration controller (7), working host dual port RAM interface (3) and milestone synchronizing information device (6) are bi-directionally connected, backup host dual port RAM interface (4) and milestone synchronizing information device (6) are bi-directionally connected, the output terminal of milestone synchronizing information device (6) is connected with the input end of arbitration controller (7), the output terminal of arbitration controller (7) is connected with the input end of network switch (8), the output terminal of arbitration controller (7) is connected with the input end of KVM switch controller (9), the output terminal of arbitration controller (7) is connected with the input end of IO handover module (10), and the output terminal of arbitration controller (7) is connected with the input end of RS422 handover module (11), working host I/O interface (12) and external I/O interface (14) are bi-directionally connected, backup host I/O interface (13) and external I/O interface (14) are bi-directionally connected, working host RS232 interface and external RS422 interface (17) are bi-directionally connected, and backup host RS422 interface (16) and external RS422 interface (17) are bi-directionally connected,

The starting stage of dual-computer redundancy Hot Spare computer booting work, arbitration device carries out two work: one is determine main frame on duty in working host and backup host, and two is carry out synchronous startup, working host condition monitoring interface (1) receives the startup self-detection result of working host, and backup host condition monitoring interface (2) receives the startup self-detection result of backup host, and gathers and send to status monitor (5), the self-detection result of status monitor (5) analytical work main frame and backup host, analysis result is transferred to arbitration controller (7), arbitration controller (7) select non-fault or without the main frame of machine fault of delaying as main frame on duty, under the condition that working host is identical with backup host fault state, prioritizing selection working host is as main frame on duty, synchronous startup sends task start order by milestone synchronizing information device (6) and realizes, working host dual port RAM interface (3) receives the synchronous startup information of working host, backup host dual port RAM interface (4) receives the synchronous startup information of backup host, and read by milestone synchronizing information device (6), after the synchronous startup information of working host and backup host is all read by milestone synchronizing information synchronizer, milestone synchronizing information device (6) sends task start order by working host dual port RAM interface (3) to working host, simultaneously, milestone synchronizing information device (6) sends task start order by backup host dual port RAM interface (4) to backup host,

In operational process after dual-computer redundancy Hot Spare computer booting, arbitration device carries out two work, and one is carry out tasks synchronization and data syn-chronization to working host and backup host, and two is carry out mian engine changeover operation on duty according to condition monitoring result;

The tasks synchronization of working host and backup host and data syn-chronization occur in both cases: one is come synchronizing cycle, and two is that mian engine changeover on duty operation occurs; Working host dual port RAM interface (3) receives the tasks synchronization information that working host is sent, and is transferred to milestone synchronizing information device (6); Backup host dual port RAM interface (4) receives the tasks synchronization information that backup host dual port RAM interface (4) is sent, and is transferred to milestone synchronizing information device (6); Tasks synchronization information comprises software code and progress identification code; Milestone synchronizing information device (6) compares the tasks synchronization information of working host and backup host, judge the numbering of advanced main frame, and ask difference and progress identification code to ask difference to draw the advanced task amount of advanced main frame by software code, advanced main frame numbering and advanced task amount are sent to arbitration controller (7) by milestone synchronizing information device (6); According to the numbering of work at present main frame, arbitration controller (7) judges that advanced main frame is working host or backup host, synchronizing cycle then or when there is mian engine changeover on duty, send the order of tasks synchronization and data syn-chronization, be transferred to working host dual port RAM interface (3) and backup host dual port RAM interface (4) via milestone synchronizing information device (6) simultaneously;

Working host condition monitoring interface (1) receives the status information of working host, is transferred to status monitor (5); Backup host condition monitoring interface (2) receives the status information of backup host, be transferred to status monitor (5), status information comprises: show heartbeat message, the working host representing working host and backup host fault type and fault degree and backup host failure message that working host and backup host exist and run; Status monitor (5) carries out analyzing and processing to the working host received and backup host status information, the responsive state of working host and backup host is judged according to heartbeat message, responsive state be divided into main frame to exist and run, main frame do not respond two kinds, the fault level of working host and backup host is judged according to working host and backup host failure message, fault level is divided into non-fault, display fault, interface fault and memory failure four kinds, and responsive state and fault level are transferred to arbitration controller (7) by status monitor (5) respectively; Arbitration controller (7) compares the failure condition of working host and backup host, makes following three kinds of decision-making: a: whether carry out mian engine changeover on duty according to the position of current main frame on duty; B: reset reboot operation is carried out to the main frame do not responded; C: notice backup host and working host carry out task and data syn-chronization; Wherein decision-making a sends to network switch (8), KVM switch controller (9), IO handover module (10) and RS422 handover module (11); After IO handover module (10) receives decision-making a, judge that the main frame on duty in decision-making a is working host or backup host, the IO output signal of main frame on duty sends to external I/O interface (14), and the IO of non-main frame on duty outputs signal conductively-closed; The external input signal of external I/O interface (14) had both sent to working host I/O interface (12), also sent to backup host I/O interface (13); After RS422 handover module (11) receives decision-making a, judge that the main frame on duty in decision-making a is working host or backup host, the RS422 output signal of main frame on duty sends to external RS422 interface (17), the RS422 of non-main frame on duty outputs signal conductively-closed, the external input signal of external RS422 interface (17) had both sent to working host RS422 interface (15), also sent to backup host RS422 interface (16); The decision-making b of arbitration controller (7) sends to milestone synchronizing information device (6), milestone synchronizing information device (6) judges that not responding main frame is working host or backup host, generates the order of reset reboot operation and sends to the dual port RAM interface not responding main frame; The decision-making c of arbitration controller (7) sends to milestone synchronizing information device (6).