CN106814643B - A kind of control method and system of two-node cluster hot backup - Google Patents
A kind of control method and system of two-node cluster hot backup Download PDFInfo
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- CN106814643B CN106814643B CN201510860518.7A CN201510860518A CN106814643B CN 106814643 B CN106814643 B CN 106814643B CN 201510860518 A CN201510860518 A CN 201510860518A CN 106814643 B CN106814643 B CN 106814643B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention discloses a kind of control methods of two-node cluster hot backup, it include: to judge whether the first control panel and the second control panel can normal communications, if, then: judging after preset duration, whether the first control panel and the second control panel do not receive bus data, if not, then: judging after preset duration, whether the first control panel or the second control panel receive bus data, if so: determine the first control panel for receiving bus data or the second control panel as slave board;Judge whether mainboard breaks down, if so: control slave board is switched to mainboard, into main board work mode.The present invention simply easily realization, high reliablity, at low cost, not will cause the loss of data during active-standby switch.The invention also discloses a kind of control systems of two-node cluster hot backup.
Description
Technical field
The present invention relates to motorcycle safety informix monitoring technical field more particularly to a kind of control methods of two-node cluster hot backup
And system.
Background technique
Two-node cluster hot backup is refered in particular to based on the hot standby of the two-server in high-availability system, because two machine High Availabitities use at home
It is more, therefore two-node cluster hot backup of gaining the name, two-shipper High Availabitity are divided by the switching mode in work: main-standby mode and double host modes,
Main-standby mode refers to that a server is in the state of activation of certain business, and another server is in the standby of the business
Use state.And double host modes refer to two kinds of different business activestandby state each other on two-server respectively.
Currently, Dual-Computer Hot-Standby System guarantees contacting for main system and back-up system using " heartbeat " method.So-called " heartbeat ",
It refers to mutually sending communication signal according to certain time interval between master-slave system, shows the current operation shape of respective system
State.Once " heartbeat " signal stops showing that host system breaks down or back-up system can not receive " the heart of host system
Jump " signal, then the high availability management software of system thinks that host system breaks down, and host stops working, and system is provided
Source is transferred in back-up system, and back-up system plays a role host is substituted, to guarantee that network service operation is uninterrupted.Alternatively,
On the backboard of system increase a judgment module, when powering on every time judgment module can work first determine who be host who be
Standby host, when host work exception, judgment module can make standby host be switched to host.It can thus be seen that prior art design is multiple
It is miscellaneous, it is not easy to realize, reliability will receive certain influence, will cause losing for partial data in host and standby host handoff procedure
It loses.
Summary of the invention
It is simple easily realization, high reliablity, at low cost the present invention provides a kind of control method of two-node cluster hot backup, active and standby
The loss of data is not will cause in handoff procedure.
The present invention provides a kind of control methods of two-node cluster hot backup, comprising:
Judge the first control panel and the second control panel whether can normal communication, if so:
Judge after preset duration, whether first control panel and the second control panel do not receive bus data, if
It is no, then:
Judge after preset duration, whether first control panel or the second control panel receive bus data, if so,
Then:
Determine the first control panel for receiving bus data or the second control panel as slave board;
Judge whether mainboard breaks down, if so:
Control slave board is switched to mainboard, into main board work mode.
Preferably, judge after preset duration, whether first control panel and the second control panel do not receive bus
Data, if so:
Judge the whether not connected power supply of the pin of first control panel and the second control panel, if it is not, then:
Judge whether the pin of first control panel or the second control panel connects power supply, if so:
It determines first control panel of connection power supply or the second control panel is mainboard.
Preferably, judge the whether not connected power supply of the pin of first control panel and the second control panel, if so:
Whether the working state monitoring signal for judging first control panel and the output of the second control panel is 1, if it is not,
Then:
Determine that output services status monitoring signal is 1 the first control panel or the second control panel as slave board.
Preferably, whether the working state monitoring signal for judging first control panel and the output of the second control panel is 1,
If so:
Mainboard and slave board are determined by asynchronous communication.
A kind of control system of two-node cluster hot backup, comprising:
First judging unit, for judging whether the first control panel and the second control panel can normal communications;
Second judgment unit, for judging that the first control panel and the second control panel can be normal when first judging unit
When communication, judge after preset duration, whether first control panel and the second control panel do not receive bus data;
Third judging unit, for judging after preset duration when second judgment unit, first control panel and second
Whether control panel does not receive the result of bus data when being no, judges after preset duration, first control panel or the
Whether two control panels receive bus data;
First determination unit, for judging after preset duration when third judging unit, first control panel or second
When control panel receives bus data, determine the first control panel for receiving bus data or the second control panel as slave board;
4th judging unit, for judging whether mainboard breaks down;
First control unit is switched to mainboard for when the 4th judging unit judges that mainboard breaks down, controlling slave board,
Into main board work mode.
Preferably, the system also includes:
5th judging unit, for judging after preset duration when second judgment unit, first control panel and second
When control panel does not receive bus data, the whether not connected electricity of the pin of first control panel and the second control panel is judged
Source;
6th judging unit judges that the pin of first control panel and the second control panel is for working as the 5th judging unit
When the result of no not connected power supply is no, judge whether the pin of first control panel or the second control panel connects power supply;
Second determination unit, with about the pin for judging first control panel or the second control panel when the 6th judging unit
When connecting power supply, determines first control panel of connection power supply or the second control panel is mainboard.
Preferably, the system also includes:
7th judging unit, for judging that the pin of first control panel and the second control panel is equal when the 5th judging unit
When not connected power supply, judge whether the working state monitoring signal of first control panel and the output of the second control panel is 1;
Third determination unit, for judging the work of first control panel and the output of the second control panel when the 7th judging unit
Make status monitoring signal whether be 1 result be it is no when, determine output services status monitoring signal be 1 the first control panel or
Second control panel is as slave board.
Preferably, the system also includes:
4th determination unit, for judging the work of first control panel and the output of the second control panel when the 7th judging unit
When making status monitoring signal and being 1, mainboard and slave board are determined by asynchronous communication.
By above scheme it is found that a kind of control method of two-node cluster hot backup provided by the invention, by judging the first control panel
With the second control panel whether can normal communication, when the first control panel and the second control panel can normal communication when, when default
After length, judge whether the first control panel and the second control panel receive bus data, if when the first control panel after preset duration
Receive bus data, it is determined that the first control panel is slave board, and the second control panel is mainboard, if when the second control after preset duration
Making sheet receives bus data, it is determined that the second control panel is slave board, and the first control panel is mainboard, when judging that mainboard breaks down
When, slave board is switched to mainboard, into the operating mode of mainboard, it can thus be seen that the control method is simply easily realized, is reliable
Property it is high, at low cost, not will cause the loss of data during active-standby switch.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the control method of two-node cluster hot backup disclosed in the embodiment of the present invention one;
Fig. 2 is a kind of flow chart of the control method of two-node cluster hot backup disclosed in the embodiment of the present invention two;
Fig. 3 is a kind of flow chart of the control method of two-node cluster hot backup disclosed in the embodiment of the present invention three;
Fig. 4 is a kind of flow chart of the control method of two-node cluster hot backup disclosed in the embodiment of the present invention four;
Fig. 5 is a kind of structural schematic diagram of the control system of two-node cluster hot backup disclosed in the embodiment of the present invention one;
Fig. 6 is a kind of structural schematic diagram of the control system of two-node cluster hot backup disclosed in the embodiment of the present invention two;
Fig. 7 is a kind of structural schematic diagram of the control system of two-node cluster hot backup disclosed in the embodiment of the present invention three;
Fig. 8 is a kind of structural schematic diagram of the control system of two-node cluster hot backup disclosed in the embodiment of the present invention four.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, for a kind of control method of two-node cluster hot backup disclosed in the embodiment of the present invention one, comprising:
S101, judge the first control panel and the second control panel whether can normal communication, if so, into S102:
When needing to control two-node cluster hot backup, first determine whether to be mounted on the first control panel on motherboard and the second control
Plate whether can normal communication, the first control panel and the second control panel can be inserted on motherboard by F48 plug, it should be noted that
The physical structure of first control panel and the second control panel is just the same, and internal processes are also just the same, can be used as mainboard or
Slave board.The first control panel for being mounted on motherboard of judgement and the second control panel whether can normal communication when, judgement can be passed through
First control panel and the second control panel whether can receive the bus data of itself transmission and confirm it is errorless judge, when the
One control panel and the second control panel can receive the bus data of itself transmission and confirmation without mistaking, determine the first control panel and
Second control panel can normal communication.
S102, judge after preset duration, whether the first control panel and the second control panel do not receive bus data, if
It is no, then enter S103:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if do not receive bus data, if judging result be it is no, enter next step.
S103, judge after preset duration, whether the first control panel or the second control panel receive bus data, if so,
Then enter S104:
When judging that the first control panel and the second control panel after preset duration, have one of control panel to receive number of buses
According to rear, further judgement is specifically that the first control panel also the second control panel has received bus data.
S104, determine the first control panel for receiving bus data or the second control panel as slave board;
When judging that the first control panel receives bus data, the first control panel is determined as slave board, by the second control panel
It is determined as mainboard;Opposite, when judging that the second control panel receives bus data, the second control panel is determined as slave board, it will
First control panel is determined as mainboard.
S105, judge whether mainboard breaks down, if so, into S106:
After determining mainboard and slave board, mainboard enters operating mode, during mainboard enters operating mode, in real time
Judge whether mainboard breaks down.
S106, control slave board are switched to mainboard, into main board work mode.
When judging that mainboard breaks down during the work time, slave board is switched to mainboard automatically, i.e., starting slave board allows standby
Plate enters operating mode.
In conclusion in the above-described embodiments, by judging whether the first control panel and the second control panel can positive normal opens
Letter, when the first control panel and the second control panel can normal communication when, after preset duration, judge that the first control panel and second is controlled
Whether making sheet receives bus data, if when after preset duration the first control panel receive bus data, it is determined that first control
Making sheet is slave board, and the second control panel is mainboard, if when after preset duration the second control panel receive bus data, it is determined that the
Two control panels are slave board, and the first control panel is that slave board is switched to mainboard when judging that mainboard breaks down by mainboard, into master
The operating mode of plate, it can thus be seen that the control method simply easily realization, high reliablity, at low cost, in active-standby switch process
In not will cause the loss of data.
As shown in Fig. 2, for a kind of control method of two-node cluster hot backup disclosed in the embodiment of the present invention two, comprising:
S201, judge the first control panel and the second control panel whether can normal communication, if so, into S202:
When needing to control two-node cluster hot backup, first determine whether to be mounted on the first control panel on motherboard and the second control
Plate whether can normal communication, the first control panel and the second control panel can be inserted on motherboard by F48 plug, it should be noted that
The physical structure of first control panel and the second control panel is just the same, and internal processes are also just the same, can be used as mainboard or
Slave board.The first control panel for being mounted on motherboard of judgement and the second control panel whether can normal communication when, judgement can be passed through
First control panel and the second control panel whether can receive the bus data of itself transmission and confirm it is errorless judge, when the
One control panel and the second control panel can receive the bus data of itself transmission and confirmation without mistaking, determine the first control panel and
Second control panel can normal communication.
S202, judge after preset duration, whether the first control panel and the second control panel do not receive bus data, if
It is no, then enter S203, if so, into S207:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if be receive bus data, if judging result be it is no, enter next step.
S203, judge after preset duration, whether first control panel or the second control panel receive bus data, if
It is then to enter S204:
When judging that the first control panel and the second control panel after preset duration, have one of control panel to receive number of buses
According to rear, further judgement is specifically that the first control panel also the second control panel has received bus data.
S204, determine the first control panel for receiving bus data or the second control panel as slave board;
When judging that the first control panel receives bus data, the first control panel is determined as slave board, by the second control panel
It is determined as mainboard;Opposite, when judging that the second control panel receives bus data, the second control panel is determined as slave board, it will
First control panel is determined as mainboard.
S205, judge whether mainboard breaks down, if so, into S206:
After determining mainboard and slave board, mainboard enters operating mode, during mainboard enters operating mode, in real time
Judge whether mainboard breaks down.
S206, control slave board are switched to mainboard, into main board work mode;
When judging that mainboard breaks down during the work time, slave board is switched to mainboard automatically, i.e., starting slave board allows standby
Plate enters operating mode.
S207, the whether not connected power supply of the pin of the first control panel and the second control panel is judged, if it is not, then entering
S208:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if do not receive bus data, if not receiving bus data, pass through the first control panel of detection and the second control panel
ID determine mainboard and slave board.The ID for detecting the first control panel and the second control panel is by controlling to the first control panel and second
Whether the pin of making sheet connects to power supply to judge.For example, when the first control panel and the second control panel are connect with motherboard, two pieces
One meeting of b12 pin of control panel connects+5V power supply, a meeting ground connection.
S208, judge whether the pin of first control panel or the second control panel connects power supply, if so, into
S209:
When the one of connection power supply of the pin for judging the first control panel and the second control panel, further judgement is specifically
The pin connection power supply of first control panel or the pin of the second control panel connect power supply.
S209, determine first control panel for connecting power supply or the second control panel for mainboard.
When the pin that the result judged is the first control panel connects power supply, when the pin ground connection of the second control panel, the is determined
One control panel is mainboard, and the second control panel is slave board;It is opposite, when the pin that judging result is the second control panel connects power supply,
When the pin ground connection of the first control panel, determine that the second control panel is mainboard, the first control panel is slave board.
In conclusion the connection of the first control panel and the second control panel pin can be passed through on the basis of a upper embodiment
Mode further determines that mainboard and slave board.
As shown in figure 3, for a kind of control method of two-node cluster hot backup disclosed in the embodiment of the present invention three, comprising:
S301, judge the first control panel and the second control panel whether can normal communication, if so, into S302:
When needing to control two-node cluster hot backup, first determine whether to be mounted on the first control panel on motherboard and the second control
Plate whether can normal communication, the first control panel and the second control panel can be inserted on motherboard by F48 plug, it should be noted that
The physical structure of first control panel and the second control panel is just the same, and internal processes are also just the same, can be used as mainboard or
Slave board.The first control panel for being mounted on motherboard of judgement and the second control panel whether can normal communication when, judgement can be passed through
First control panel and the second control panel whether can receive the bus data of itself transmission and confirm it is errorless judge, when the
One control panel and the second control panel can receive the bus data of itself transmission and confirmation without mistaking, determine the first control panel and
Second control panel can normal communication.
S302, judge after preset duration, whether the first control panel and the second control panel do not receive bus data, if
It is no, then enter S303, if so, into S307:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if be receive bus data, if judging result be it is no, enter next step.
S303, judge after preset duration, whether first control panel or the second control panel receive bus data, if
It is then to enter S304:
When judging that the first control panel and the second control panel after preset duration, have one of control panel to receive number of buses
According to rear, further judgement is specifically that the first control panel also the second control panel has received bus data.
S304, determine the first control panel for receiving bus data or the second control panel as slave board;
When judging that the first control panel receives bus data, the first control panel is determined as slave board, by the second control panel
It is determined as mainboard;Opposite, when judging that the second control panel receives bus data, the second control panel is determined as slave board, it will
First control panel is determined as mainboard.
S305, judge whether mainboard breaks down, if so, into S306:
After determining mainboard and slave board, mainboard enters operating mode, during mainboard enters operating mode, in real time
Judge whether mainboard breaks down.
S306, control slave board are switched to mainboard, into main board work mode;
When judging that mainboard breaks down during the work time, slave board is switched to mainboard automatically, i.e., starting slave board allows standby
Plate enters operating mode.
S307, the whether not connected power supply of the pin of first control panel and the second control panel is judged, if it is not, then entering
S308, if so, into S310:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if do not receive bus data, if not receiving bus data, pass through the first control panel of detection and the second control panel
ID determine mainboard and slave board.The ID for detecting the first control panel and the second control panel is by controlling to the first control panel and second
Whether the pin of making sheet connects to power supply to judge.For example, when the first control panel and the second control panel are connect with motherboard, two pieces
One meeting of b12 pin of control panel connects+5V power supply, a meeting ground connection.
S308, judge whether the pin of first control panel or the second control panel connects power supply, if so, into
S309:
When the one of connection power supply of the pin for judging the first control panel and the second control panel, further judgement is specifically
The pin connection power supply of first control panel or the pin of the second control panel connect power supply.
S309, determine first control panel for connecting power supply or the second control panel for mainboard;
When the pin that the result judged is the first control panel connects power supply, when the pin ground connection of the second control panel, the is determined
One control panel is mainboard, and the second control panel is slave board;It is opposite, when the pin that judging result is the second control panel connects power supply,
When the pin ground connection of the first control panel, determine that the second control panel is mainboard, the first control panel is slave board.
Whether S310, the working state monitoring signal for judging first control panel and the output of the second control panel are 1, if
It is no, then enter S311:
When judging the pin not connected power supply of the first control panel and the second control panel, i.e., it cannot pass through the company of control panel
Adapter tube foot is come when determining mainboard and slave board, the working state monitoring signal exported to the first control panel and the second control panel is sentenced
It is disconnected, judge whether the working state monitoring signal of the first control panel and the output of the second control panel is 1.
S311, determine that output services status monitoring signal is 1 the first control panel or the second control panel as slave board.
When the working state monitoring signal for judging the first control panel and the output of the second control panel is not simultaneously for 1, work will be exported
Make the control panel that status monitoring signal is 1 and is determined as slave board.For example, when the working state monitoring signal of the first control panel output is
1, when the working state monitoring signal of the second control panel output is 0, the first control panel is determined for slave board, based on the second control panel
Plate;When the working state monitoring signal of the first control panel output is 0, the working state monitoring signal of the second control panel output is 1
When, determine that the first control panel is mainboard, the second control panel is slave board.
In conclusion the present embodiment is on the basis of the above embodiments, it can be defeated by the first control panel and the second control panel
Working state monitoring signal out further determines that mainboard and slave board.
As shown in figure 4, for a kind of control method of two-node cluster hot backup disclosed in the embodiment of the present invention four, comprising:
S401, judge the first control panel and the second control panel whether can normal communication, if so, into S402:
When needing to control two-node cluster hot backup, first determine whether to be mounted on the first control panel on motherboard and the second control
Plate whether can normal communication, the first control panel and the second control panel can be inserted on motherboard by F48 plug, it should be noted that
The physical structure of first control panel and the second control panel is just the same, and internal processes are also just the same, can be used as mainboard or
Slave board.The first control panel for being mounted on motherboard of judgement and the second control panel whether can normal communication when, judgement can be passed through
First control panel and the second control panel whether can receive the bus data of itself transmission and confirm it is errorless judge, when the
One control panel and the second control panel can receive the bus data of itself transmission and confirmation without mistaking, determine the first control panel and
Second control panel can normal communication.
S402, judge after preset duration, whether the first control panel and the second control panel do not receive bus data, if
It is no, then enter S403, if so, into S407:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if be receive bus data, if judging result be it is no, enter next step.
S403, judge after preset duration, whether first control panel or the second control panel receive bus data, if
It is then to enter S404:
When judging that the first control panel and the second control panel after preset duration, have one of control panel to receive number of buses
According to rear, further judgement is specifically that the first control panel also the second control panel has received bus data.
S404, determine the first control panel for receiving bus data or the second control panel as slave board;
When judging that the first control panel receives bus data, the first control panel is determined as slave board, by the second control panel
It is determined as mainboard;Opposite, when judging that the second control panel receives bus data, the second control panel is determined as slave board, it will
First control panel is determined as mainboard.
S405, judge whether mainboard breaks down, if so, into S406:
After determining mainboard and slave board, mainboard enters operating mode, during mainboard enters operating mode, in real time
Judge whether mainboard breaks down.
S406, control slave board are switched to mainboard, into main board work mode;
When judging that mainboard breaks down during the work time, slave board is switched to mainboard automatically, i.e., starting slave board allows standby
Plate enters operating mode.
S407, the whether not connected power supply of the pin of first control panel and the second control panel is judged, if it is not, then entering
S408, if so, into S410:
When judge the first control panel and the second control panel can normal communication after, judge after preset duration, such as 100ms
Afterwards, if do not receive bus data, if not receiving bus data, pass through the first control panel of detection and the second control panel
ID determine mainboard and slave board.The ID for detecting the first control panel and the second control panel is by controlling to the first control panel and second
Whether the pin of making sheet connects to power supply to judge.For example, when the first control panel and the second control panel are connect with motherboard, two pieces
One meeting of b12 pin of control panel connects+5V power supply, a meeting ground connection.
S408, judge whether the pin of first control panel or the second control panel connects power supply, if so, into
S409:
When the one of connection power supply of the pin for judging the first control panel and the second control panel, further judgement is specifically
The pin connection power supply of first control panel or the pin of the second control panel connect power supply.
S409, determine first control panel for connecting power supply or the second control panel for mainboard;
When the pin that the result judged is the first control panel connects power supply, when the pin ground connection of the second control panel, the is determined
One control panel is mainboard, and the second control panel is slave board;It is opposite, when the pin that judging result is the second control panel connects power supply,
When the pin ground connection of the first control panel, determine that the second control panel is mainboard, the first control panel is slave board.
Whether S410, the working state monitoring signal for judging first control panel and the output of the second control panel are 1, if
It is no, then enter S411, if so, into S412:
When judging the pin not connected power supply of the first control panel and the second control panel, i.e., it cannot pass through the company of control panel
Adapter tube foot is come when determining mainboard and slave board, the working state monitoring signal exported to the first control panel and the second control panel is sentenced
It is disconnected, judge whether the working state monitoring signal of the first control panel and the output of the second control panel is 1.
S411, determine that output services status monitoring signal is 1 the first control panel or the second control panel as slave board;
When the working state monitoring signal for judging the first control panel and the output of the second control panel is not simultaneously for 1, work will be exported
Make the control panel that status monitoring signal is 1 and is determined as slave board.For example, when the working state monitoring signal of the first control panel output is
1, when the working state monitoring signal of the second control panel output is 0, the first control panel is determined for slave board, based on the second control panel
Plate;When the working state monitoring signal of the first control panel output is 0, the working state monitoring signal of the second control panel output is 1
When, determine that the first control panel is mainboard, the second control panel is slave board.
S412, mainboard and slave board are determined by asynchronous communication.
When the working state monitoring signal for judging the first control panel and the output of the second control panel is 1, show control panel
Hardware ID failure, cannot judge the power supply or ground connection that the pin of control panel connects.At this point, the first control panel and the second control
Plate can enter standby mode simultaneously in advance, and working state monitoring output can all export 1, can enable between two pieces of control panels at this time asynchronous
Telecommunication circuit, each control panel can be generated according to the state of a control of oneself and serial data and be issued, will receive another piece of control panel
The serial data of serial data and oneself generation that control panel issues is compared, and is host or standby host by comparing confirmation.
In conclusion the present embodiment is on the basis of the above embodiments, it, can be by opening after the hardware ID failure of control panel
Mainboard and slave board are further determined that with asynchronous communication circuit.
As shown in figure 5, for a kind of control system of two-node cluster hot backup disclosed in the embodiment of the present invention one, comprising:
First judging unit 501, for judging whether the first control panel and the second control panel can normal communications;
Second judgment unit 502, for judging the first control panel and the second control panel when first judging unit
When normal communication, judge after preset duration, whether first control panel and the second control panel do not receive bus data;
Third judging unit 503, for judging after preset duration when second judgment unit, first control panel and the
Two control panels whether do not receive bus data result be it is no when, judge after preset duration, first control panel or
Whether the second control panel receives bus data;
First determination unit 504, for judging after preset duration when third judging unit, first control panel or the
When two control panels receive bus data, determine the first control panel for receiving bus data or the second control panel as slave board;
4th judging unit 505, for judging whether mainboard breaks down;
First control unit 506, based on when the 4th judging unit judges that mainboard breaks down, control slave board switches
Plate, into main board work mode.
The system of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1, realization principle and skill
Art effect is similar, and details are not described herein again.
As shown in fig. 6, for a kind of control system of two-node cluster hot backup disclosed in the embodiment of the present invention two, comprising:
First judging unit 601, for judging whether the first control panel and the second control panel can normal communications;
Second judgment unit 602, for judging the first control panel and the second control panel when first judging unit
When normal communication, judge after preset duration, whether first control panel and the second control panel do not receive bus data;
Third judging unit 603, for judging after preset duration when second judgment unit, first control panel and the
Two control panels whether do not receive bus data result be it is no when, judge after preset duration, first control panel or
Whether the second control panel receives bus data;
First determination unit 604, for judging after preset duration when third judging unit, first control panel or the
When two control panels receive bus data, determine the first control panel for receiving bus data or the second control panel as slave board;
4th judging unit 605, for judging whether mainboard breaks down;
First control unit 606, based on when the 4th judging unit judges that mainboard breaks down, control slave board switches
Plate, into main board work mode;
5th judging unit 607, for judging after preset duration when second judgment unit, first control panel and the
When two control panels do not receive bus data, judge whether the pin of first control panel and the second control panel is not connected
Power supply;
6th judging unit 608, for judging the pipe of first control panel and the second control panel when the 5th judging unit
When the result of the whether not connected power supply of foot is no, judge whether the pin of first control panel or the second control panel connects electricity
Source;
Second determination unit 609 judges first control panel or the second control panel with about when the 6th judging unit
When pin connects power supply, determines first control panel of connection power supply or the second control panel is mainboard.
The system of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 2, realization principle and skill
Art effect is similar, and details are not described herein again.
As shown in fig. 7, for a kind of control system of two-node cluster hot backup disclosed in the embodiment of the present invention three, comprising:
First judging unit 701, for judging whether the first control panel and the second control panel can normal communications;
Second judgment unit 702, for judging the first control panel and the second control panel when first judging unit
When normal communication, judge after preset duration, whether first control panel and the second control panel do not receive bus data;
Third judging unit 703, for judging after preset duration when second judgment unit, first control panel and the
Two control panels whether do not receive bus data result be it is no when, judge after preset duration, first control panel or
Whether the second control panel receives bus data;
First determination unit 704, for judging after preset duration when third judging unit, first control panel or the
When two control panels receive bus data, determine the first control panel for receiving bus data or the second control panel as slave board;
4th judging unit 705, for judging whether mainboard breaks down;
First control unit 706, based on when the 4th judging unit judges that mainboard breaks down, control slave board switches
Plate, into main board work mode;
5th judging unit 707, for judging after preset duration when second judgment unit, first control panel and the
When two control panels do not receive bus data, judge whether the pin of first control panel and the second control panel is not connected
Power supply;
6th judging unit 708, for judging the pipe of first control panel and the second control panel when the 5th judging unit
When the result of the whether not connected power supply of foot is no, judge whether the pin of first control panel or the second control panel connects electricity
Source;
Second determination unit 709 judges first control panel or the second control panel with about when the 6th judging unit
When pin connects power supply, determines first control panel of connection power supply or the second control panel is mainboard;
7th judging unit 710, for judging the pipe of first control panel and the second control panel when the 5th judging unit
Foot not connected power supply when, judge working state monitoring signal that first control panel and the second control panel export whether be
1;
Third determination unit 711, for judging first control panel and the output of the second control panel when the 7th judging unit
Working state monitoring signal whether be 1 result be it is no when, determine output services status monitoring signal be 1 first control
Plate or the second control panel are as slave board.
The system of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 3, realization principle and skill
Art effect is similar, and details are not described herein again.
As shown in figure 8, for a kind of control system of two-node cluster hot backup disclosed in the embodiment of the present invention four, comprising:
First judging unit 801, for judging whether the first control panel and the second control panel can normal communications;
Second judgment unit 802, for judging the first control panel and the second control panel when first judging unit
When normal communication, judge after preset duration, whether first control panel and the second control panel do not receive bus data;
Third judging unit 803, for judging after preset duration when second judgment unit, first control panel and the
Two control panels whether do not receive bus data result be it is no when, judge after preset duration, first control panel or
Whether the second control panel receives bus data;
First determination unit 804, for judging after preset duration when third judging unit, first control panel or the
When two control panels receive bus data, determine the first control panel for receiving bus data or the second control panel as slave board;
4th judging unit 805, for judging whether mainboard breaks down;
First control unit 806, based on when the 4th judging unit judges that mainboard breaks down, control slave board switches
Plate, into main board work mode;
5th judging unit 807, for judging after preset duration when second judgment unit, first control panel and the
When two control panels do not receive bus data, judge whether the pin of first control panel and the second control panel is not connected
Power supply;
6th judging unit 808, for judging the pipe of first control panel and the second control panel when the 5th judging unit
When the result of the whether not connected power supply of foot is no, judge whether the pin of first control panel or the second control panel connects electricity
Source;
Second determination unit 809 judges first control panel or the second control panel with about when the 6th judging unit
When pin connects power supply, determines first control panel of connection power supply or the second control panel is mainboard;
7th judging unit 810, for judging the pipe of first control panel and the second control panel when the 5th judging unit
Foot not connected power supply when, judge working state monitoring signal that first control panel and the second control panel export whether be
1;
Third determination unit 811, for judging first control panel and the output of the second control panel when the 7th judging unit
Working state monitoring signal whether be 1 result be it is no when, determine output services status monitoring signal be 1 first control
Plate or the second control panel are as slave board;
4th determination unit 812, for judging first control panel and the output of the second control panel when the 7th judging unit
Working state monitoring signal when being 1, mainboard and slave board are determined by asynchronous communication.
The system of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 4, realization principle and skill
Art effect is similar, and details are not described herein again.
If function described in the present embodiment method is realized in the form of SFU software functional unit and as independent product pin
It sells or in use, can store in a storage medium readable by a compute device.Based on this understanding, the embodiment of the present invention
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, this is soft
Part product is stored in a storage medium, including some instructions are used so that calculating equipment (it can be personal computer,
Server, mobile computing device or network equipment etc.) execute all or part of step of each embodiment the method for the present invention
Suddenly.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), deposits at random
The various media that can store program code such as access to memory (RAM, Random Access Memory), magnetic or disk.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (2)
1. a kind of control method of two-node cluster hot backup characterized by comprising
Judge the first control panel and the second control panel whether can normal communication, if so:
Judge after preset duration, whether first control panel and the second control panel do not receive bus data, if it is not,
Then:
Judge after preset duration, whether first control panel or the second control panel receive bus data, if so:
Determine the first control panel for receiving bus data or the second control panel as slave board;
Judge whether mainboard breaks down, if so:
Control slave board is switched to mainboard, into main board work mode;
Wherein, whether first control panel and the second control panel do not receive bus data, if so:
Judge the whether not connected power supply of the pin of first control panel and the second control panel, if it is not, then:
Judge whether the pin of first control panel or the second control panel connects power supply, if so:
It determines first control panel of connection power supply or the second control panel is mainboard;
Wherein, judge the whether not connected power supply of the pin of first control panel and the second control panel, if so:
Whether the working state monitoring signal for judging first control panel and the output of the second control panel is 1, if it is not, then:
Determine that output services status monitoring signal is 1 the first control panel or the second control panel as slave board;
Wherein, whether the working state monitoring signal for judging first control panel and the output of the second control panel is 1, if so,
Then:
Mainboard and slave board are determined by asynchronous communication;
It is described by asynchronous communication determine mainboard and slave board, in particular to: first control panel and second control panel are same
When enter standby mode, working state monitoring output is all 1, enables asynchronous communication circuit between this two pieces of control panels at this time, each to control
Making sheet generates serial data according to the state of a control of oneself and issues, and one of control panel sends out another piece of control panel received
The serial data of serial data and oneself generation out is compared, and is host or standby host by comparing confirmation.
2. a kind of control system of two-node cluster hot backup characterized by comprising
First judging unit, for judging whether the first control panel and the second control panel can normal communications;
Second judgment unit, for judging that the first control panel and the second control panel can normal communications when first judging unit
When, judge after preset duration, whether first control panel and the second control panel do not receive bus data;
Third judging unit, for judging after preset duration when second judgment unit, first control panel and the second control
Plate whether do not receive bus data result be it is no when, judge after preset duration, first control panel or second control
Whether making sheet receives bus data;
First determination unit, for judging after preset duration when third judging unit, first control panel or the second control
When plate receives bus data, determine the first control panel for receiving bus data or the second control panel as slave board;
4th judging unit, for judging whether mainboard breaks down;
First control unit, for when the 4th judging unit judges that mainboard breaks down, control slave board to be switched to mainboard, entrance
Main board work mode;
5th judging unit, for judging after preset duration when second judgment unit, first control panel and the second control
When plate does not receive bus data, the whether not connected power supply of the pin of first control panel and the second control panel is judged;
6th judging unit, for judging whether the pin of first control panel and the second control panel is equal when the 5th judging unit
When the result of not connected power supply is no, judge whether the pin of first control panel or the second control panel connects power supply;
Second determination unit, for judging the pin connection electricity of first control panel or the second control panel when the 6th judging unit
When source, determines first control panel of connection power supply or the second control panel is mainboard;
7th judging unit, for judging that the pin of first control panel and the second control panel does not connect when the 5th judging unit
When connecing power supply, judge whether the working state monitoring signal of first control panel and the output of the second control panel is 1;
Third determination unit, for judging the work shape of first control panel and the output of the second control panel when the 7th judging unit
State monitoring signals whether be 1 result be it is no when, determine output services status monitoring signal be 1 the first control panel or second
Control panel is as slave board;
4th determination unit, for judging the work shape of first control panel and the output of the second control panel when the 7th judging unit
When state monitoring signals are 1, mainboard and slave board are determined by asynchronous communication;
It is described by asynchronous communication determine mainboard and slave board, in particular to: first control panel and second control panel are same
When enter standby mode, working state monitoring output is all 1, enables asynchronous communication circuit between this two pieces of control panels at this time, each to control
Making sheet generates serial data according to the state of a control of oneself and issues, and one of control panel sends out another piece of control panel received
The serial data of serial data and oneself generation out is compared, and is host or standby host by comparing confirmation.
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CN101017366A (en) * | 2006-12-08 | 2007-08-15 | 清华大学 | Double generator redundancy control system |
WO2012075200A3 (en) * | 2010-12-01 | 2012-08-16 | Lsi Corporation | Dynamic higher-level redundancy mode management with independent silicon elements |
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