CN107547234A - A kind of primary board and the method and apparatus of standby board management - Google Patents
A kind of primary board and the method and apparatus of standby board management Download PDFInfo
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- CN107547234A CN107547234A CN201610490228.2A CN201610490228A CN107547234A CN 107547234 A CN107547234 A CN 107547234A CN 201610490228 A CN201610490228 A CN 201610490228A CN 107547234 A CN107547234 A CN 107547234A
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Abstract
The method and apparatus that the present invention provides a kind of primary board and standby board management, including：Detect hot plug signal between primary board and standby board；The hot plug signal is filtered processing；Judge whether the level of the hot plug signal after the filtering process changes；If the level of the hot plug signal after the filtering process changes, the primary board and standby board is controlled not to transmit interactive controlling signal.The control signal for solving the problems, such as to interact in the primary board of hot plug or standby board can disturb the switching between primary board and standby board, reduce the technique effect of the control signal that is interacted in the primary board of hot plug or standby board to the interference between primary board and standby board.
Description
Technical field
The present invention relates to communication technical field, the method and dress of more particularly to a kind of primary board and standby board management
Put.
Background technology
With the development of science and technology, the communication technology has obtained rapid development, at present, important plate in a communications system
Cartoon can insert two pieces of boards simultaneously, one of is primary board, and another piece is standby frequently with duplicate protection mode that is, in system
Use board.When primary board breaks down, primary board is switched to standby working condition, and at the same time, standby board is just
Primary working condition can be switched to by standby working condition, the requirement of this handoff procedure is lossless, that is, ensures system
Normal operation will not be affected because of this switching.Prior art mainly determines that each other by interactive controlling signal
This working condition, for example, determining mutual working condition between primary board and standby board by sending interactive signal
Or mutual working condition is determined between primary board and standby board by customized message.It is but primary plugging
When board or standby board, interactive controlling signal can be interfered so that primary board between primary board and standby board
It can not switch in time with the state of standby board, it is seen then that the control letter interacted in the primary board of hot plug or standby board
It number can disturb the switching between primary board and standby board.
The content of the invention
The purpose of the embodiment of the present invention is the method for providing primary board and standby board management, solves and is led in plug
The problem of control signal interacted during with board or standby board can disturb the switching between primary board and standby board.
In order to achieve the above object, the embodiment of the present invention provides a kind of primary board and the method bag of standby board management
Include：
Detect hot plug signal between primary board and standby board；
The hot plug signal is filtered processing；
Judge whether the level of the hot plug signal after the filtering process changes；
If the level of the hot plug signal after the filtering process changes, the primary board and standby board are controlled
Interactive controlling signal is not transmitted.
The embodiment of the present invention, which provides a kind of primary board and the device of standby board management, to be included：
First detection module, for detecting hot plug signal between primary board and standby board；
First filtration module, for the hot plug signal to be filtered into processing；
First judge module, for judging whether the level of the hot plug signal after the filtering process changes；
First control module, if the level for the hot plug signal after the filtering process changes, described in control
Primary board and standby board do not transmit interactive controlling signal.
The embodiment of the present invention also provides a kind of computer-readable storage medium, and computer is stored with the computer-readable storage medium
Executable one or more programs, one or more of programs make the computer perform such as when being performed by the computer
A kind of primary board of above-mentioned offer and the method for standby board management.
A technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：
By detecting hot plug signal between primary board and standby board；The hot plug signal is filtered place
Reason；Judge whether the level of the hot plug signal after the filtering process changes；If the hot plug after the filtering process
The level of signal changes, and controls the primary board and standby board not to transmit the interactive controlling signal, and in heat
When plugging primary board or standby board, hot plug signal is detected to reduce interactive controlling signal to primary board or standby
The interference of board working condition, so as to reduce the control signal interacted in the primary board of hot plug or standby board to master
With the interference between board and standby board.
Brief description of the drawings
Fig. 1 is the flow chart of the method for a kind of primary board provided in an embodiment of the present invention and standby board management；
Fig. 2 is the flow chart of the method for the primary board of another kind provided in an embodiment of the present invention and standby board management；
Fig. 3 is the course of work schematic diagram of primary board provided in an embodiment of the present invention；
Fig. 4 is the course of work schematic diagram of standby board provided in an embodiment of the present invention；
Fig. 5 is the signal processing schematic diagram of primary board provided in an embodiment of the present invention；
Fig. 6 is the signal processing schematic diagram of standby board provided in an embodiment of the present invention；
Fig. 7 is one of primary board provided in an embodiment of the present invention and the structure drawing of device of standby board management；
Fig. 8 is the two of primary board provided in an embodiment of the present invention and the structure drawing of device of standby board management；
Fig. 9 is the three of primary board provided in an embodiment of the present invention and the structure drawing of device of standby board management；
Figure 10 is the four of primary board provided in an embodiment of the present invention and the structure drawing of device of standby board management；
Figure 11 is the processing procedure schematic diagram of primary monitor board provided in an embodiment of the present invention；
Figure 12 is the processing procedure schematic diagram of standby monitor board provided in an embodiment of the present invention；
Figure 13 is the processing procedure schematic diagram of primary cross board provided in an embodiment of the present invention；
Figure 14 is the processing procedure schematic diagram of standby cross board provided in an embodiment of the present invention；
Figure 15 is the processing procedure schematic diagram of active clock plate provided in an embodiment of the present invention；
Figure 16 is the processing procedure schematic diagram of standby clock plate provided in an embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
As shown in figure 1, a kind of method that the embodiment of the present invention provides primary board and standby board management, including following step
Suddenly：
Step S101, hot plug signal between primary board and standby board is detected.
Among the embodiment, this method can apply among electronic equipment, and the electronic equipment has double boards, wherein
One board is primary board, and another board is standby board, and primary board is connected with standby plate card by long conductor with short conductors
Connect, conductor can be row's pin.It is to transmit hot plug signal by short conductors between primary board and standby board, the short-range missile
Body is that hot plug signal is for the long conductor of interactive controlling signal is transmitted between primary board and standby board
Level signal in the primary board of hot plug or standby board in short conductors.Wherein, the friendship of primary board and standby board
Mutual control signal and hot plug signal are transmitted to the processors such as FPGA, CPU and handled, and then control primary board and standby
The course of work of board.In board working condition, the level signal can be that low level can also be high level, with specific reference to
For actual hardware circuit, if the level of working condition is high level, then when pulling out board due to short conductors prior to
Long conductor departs from board, and now the hot plug signal in short conductors is changed into low level from high level.
Above-mentioned electronic equipment can with any electronic equipment for possessing central processing unit and double boards, such as：Mobile phone, flat board electricity
Brain (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant
(personal digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID)
Or wearable device (Wearable Device) etc..
Step S102, the hot plug signal is filtered processing.
In this step, filtering process is that the interference signal in the external world is filtered out, such as thunder and lightning signal, board circuit
Between high-frequency signal etc., so as to ensureing the accuracy of hot plug signal after filtering interference signals.
Step S103, judge whether the level of the hot plug signal after the filtering process changes.
In this step, the level of hot plug signal change can be by low level become high level can also be by
High level becomes low level, can also judge the situation of change of its voltage, for example, the voltage of hot plug signal is during working condition
5 volts, when performing hot plug operations, its voltage becomes 2.5 volts, so determines whether to carry out heat by detecting the change of voltage
Plug operation.
If the level of the hot plug signal after step S104, described filtering process changes, the primary board is controlled
Interactive controlling signal is not transmitted with standby board.
In this step, it is by transmitting interactive controlling between primary board and standby board under normal working condition
Signal is to determine the working condition of other side, and when in hot plug, the interactive controlling signal between them can be influenceed each to another
The judgement of the working condition of one board, for example, sending pre-defined message to determine mutual working condition or send special
Fixed interactive signal determines mutual working condition.When the level of hot plug signal change represent primary board or
Standby board is in hot plug operations, control primary board and standby board do not transmit above-mentioned interactive controlling signal isolate it is primary
Signal transmission between board and standby board, so as to reduce interference.
The present embodiment, by detecting hot plug signal between primary board and standby board；The hot plug signal is entered
Row filtering process；Judge whether the level of the hot plug signal after the filtering process changes；If after the filtering process
The level of hot plug signal change, control the primary board and standby board not to transmit the interactive controlling signal,
In the primary board of hot plug or standby board, detection hot plug signal come reduce interactive controlling signal to primary board or
The interference of standby board working condition, so as to reduce the control signal interacted in the primary board of hot plug or standby board
To the interference between primary board and standby board.
Optionally, methods described also includes：Judge to cause the level of the hot plug signal after the filtering process to become
Whether the board of change is primary board；If the board for causing the level of the hot plug signal after the filtering process to change is
Primary board, then control the standby board to switch to primary working condition, otherwise keep the primary board and described standby
With the working condition of board.
It is preferably central, when hot plug signal occurs, prevent maloperation, for example, being hot to insert originally
Pull out standby board, but the actually primary board of hot plug, it can so cause standby board not switch in time primary
Working condition and influence system normal operation.The embodiment can reach to be switched between primary board and standby board in time
Working condition, so as to keep system normal operation.When the standby board of hot plug, because now primary board is also in normal
Working condition, interactive controlling signal is no longer transmitted between primary board and standby board so only needing to control, and keep
The state of primary board and standby board.
As shown in Fig. 2 the method that the embodiment of the present invention provides another primary board and standby board management, including it is following
Step：
Step S201, hot plug signal and interactive controlling signal between primary board and standby board are detected.
In this step, interactive controlling signal includes working condition between primary board or standby board, transmission
Packet information, force handover information etc..
Step S202, it is described that the hot plug signal is filtered processing, including：By the hot plug signal and described
Interactive controlling signal is filtered processing.
In this step, filtering process is that the interference signal in the external world is filtered out, such as thunder and lightning signal, board circuit
Between high-frequency signal etc., so as to ensureing the accuracy of interactive controlling signal and hot plug signal after filtering interference signals.
Step S203, judge whether the level of the hot plug signal after the filtering process changes.
In this step, the level of hot plug signal change can be by low level become high level can also be by
High level becomes low level, can also judge the situation of change of its voltage, for example, the voltage of hot plug signal is during working condition
5 volts, when performing hot plug operations, its voltage becomes 2.5 volts, so determines whether to carry out heat by detecting the change of voltage
Plug operation.
If the level of the hot plug signal after step S204, described filtering process changes, the primary board is controlled
Interactive controlling signal is not transmitted with standby board.
In this step, it is by transmitting interactive controlling between primary board and standby board under normal working condition
Signal is to determine the working condition of other side, and when in hot plug, the interactive controlling signal between them can be influenceed each to another
The judgement of the working condition of one board, for example, sending pre-defined message to determine mutual working condition or send special
Fixed interactive signal determines mutual working condition.When the level of hot plug signal change represent primary board or
Standby board is in hot plug operations, control primary board and standby board do not transmit above-mentioned interactive controlling signal isolate it is primary
Signal transmission between board and standby board, so as to reduce interference.
If the level of the hot plug signal after step S205, described filtering process does not change, the filtering is judged
Whether there is pressure switching signal in interactive controlling signal after processing.
In this step, the i.e. primary board and the standby if level of the hot plug signal after the filtering process does not change
Do not occur hot plug operations with board, this when primary board and standby board between have normal interactive controlling signal,
Situations such as being burnt out in the event of board will send pressure switching signal, to tell another board switch operating state.
If having pressure switching signal in the interactive controlling signal after step S206, described filtering process, control described standby
Primary working condition is switched to board, otherwise keeps the working condition of the primary board and the standby board.
The present embodiment, by increasing the deterministic process of the interactive controlling signal under non-hot pluggable condition, i.e., normal work
Processing procedure under state, it is so as to reach when performing hot plug operations or can ensure when not performing hot plug operations
The normal operation of system.
Optionally, it is described the interactive controlling signal and hot plug signal are filtered processing before, methods described is also
Including：Protective treatment is carried out to the interactive controlling signal and hot plug signal.Protective treatment can be short in the embodiment
Road safeguard measure, overpressure protection measure etc., so add the security of implementation procedure.
Optionally, methods described also includes：The working condition of the primary board and the standby board is sent to and is
Other boards on system.In the embodiment, if the working condition of primary board and standby board is changed, so may be used
To ensure the communication between board much sooner.
As shown in figure 3, the embodiments of the invention provide the course of work schematic diagram of primary board.
Hot plug signal and interactive controlling signal from standby board are introduced respectively by long conductor and short conductors, are carried out
Necessary electric signal protective treatment, such as short circuit protection measures, is then filtered processing to above-mentioned signal.
Judge whether the level of the hot plug signal after filtering process changes, controlled if changing described primary
Board and standby board do not transmit interactive controlling signal；Otherwise judge whether filtered interactive controlling signal has pressure switching letter
Number, if not forcing switching signal, keep the working condition of primary board and standby board constant, and by the work shape of board
State is sent to other boards；The working condition for switching primary board and standby board is controlled if having pressure switching signal, concurrently
Almost control signal and hot plug signal are sent to standby board.
Primary board and standby board export active and standby instruction and coherent signal to other boards in system respectively, while will be main
Backboard is sent to by long conductor with the interactive controlling signal of board, and then is connected to standby board, and the hot plug of primary board
Signal is then directly connected with standby plate clamp by short conductors.
As shown in figure 4, the embodiments of the invention provide the course of work schematic diagram of standby board.
Hot plug signal and interactive controlling signal from primary board are introduced respectively by long conductor and short conductors, are carried out
Necessary electric signal protective treatment, such as short circuit protection measures, is then filtered processing to above-mentioned signal.
Judge whether the level of the hot plug signal after filtering process changes, controlled if changing described primary
Board and standby board do not transmit interactive controlling signal；Otherwise judge whether filtered interactive controlling signal has pressure switching letter
Number, if not forcing switching signal, keep the working condition of primary board and standby board constant, and by the work shape of board
State is sent to other boards；The working condition for switching primary board and standby board is controlled if having pressure switching signal, concurrently
Almost control signal and hot plug signal are sent to primary board.
Primary board and standby board export active and standby instruction and coherent signal to other boards in system respectively, while will be standby
Backboard is sent to by long conductor with the interactive controlling signal of board, and then is connected to primary board, and the hot plug of primary board
Signal is then directly connected with standby plate clamp by short conductors.
As shown in figure 5, present embodiments provide the signal processing schematic diagram of primary board.
Control signal interface module by interactive controlling signal and hot plug signal respectively by the long conductor of board socket and
Short conductors access, and carry out necessary electric signal protective treatment, interactive controlling signal and hot plug signal then are sent into filtering mould
Block, while will determine that the interactive controlling signal that module is sent is sent to backboard after protection circuit is handled by socket long conductor,
And then standby board is connected to, and the hot plug signal of primary board is then directly connected with standby plate card by socket short conductors.
Processing is filtered to the interactive controlling signal and hot plug signal received.If the level hair of hot plug signal
Changing, then interactive controlling signal is directly sent into isolation module processing and no longer transmitted between primary board and standby board
Interactive controlling signal；Judge whether there is pressure to switch in interactive controlling signal if the level of hot plug signal does not change
Signal, interactive controlling signal is sent into judge module processing if having；If other situations, then this module does not export any letter
Number, continue to handle input signal, the process of whole signal acquisition and judgement all uses the side of hardware signal filtration treatment
Formula, filtration treatment is carried out with the clock of upper frequency.
The interactive controlling signal that filtration module is sent is isolated, if board is now in master state, will be handed over
Mutually control signal shielding falls, and does not do any operation, keeps current state；If board is now in stand-by state, shielding is handed over
Sent while mutual control signal and force switching signal to judge module.
If active and standby arbitration modules receive the pressure switching signal from isolation module, active and standby board state is directly carried out
Switching；Switching signal is forced if confiscating, the interactive controlling signal from filtration module is judged, if it is decided that to cut
Change, then active and standby board carries out master/slave switchover；If it is determined that not switching, then active and standby board keeps current state.Active and standby plate
Card export respectively it is active and standby instruction and coherent signal to other boards in system, while by the first kind control signal of this plate export to
Control signal interface module.
As shown in fig. 6, present embodiments providing the signal processing schematic diagram of standby board, the processing procedure can join
See the processing procedure of primary board in Fig. 5, in order to avoid repeating, be not repeated herein.
As shown in fig. 7, present embodiments providing a kind of primary board and the structure chart of device 700 of standby board management, wrap
Include：
First detection module 701, for detecting hot plug signal between primary board and standby board；
First filtration module 702, for the hot plug signal to be filtered into processing；
First judge module 703, for judging whether the level of the hot plug signal after the filtering process changes；
First control module 704, if the level for the hot plug signal after the filtering process changes, control institute
State primary board and standby board does not transmit the interactive controlling signal.
Optionally, as shown in figure 8, managing device 700 also includes：
Second judge module 705, the level of the hot plug signal after the filtering process is caused to change for judgement
Board whether be primary board；
Second control module 706, if changed for causing the level of the hot plug signal after the filtering process
Board is primary board, then controls the standby board to switch to primary working condition, otherwise keep the primary board and
The working condition of the standby board.
As shown in figure 9, primary board and standby board managing device 700 include：The primary board and the standby plate
The length that the conductor of interactive controlling signal is transmitted between card is more than the length for the conductor for transmitting hot plug signal：
First detection module 701, for detecting hot plug signal and interactive controlling letter between primary board and standby board
Number；
First filtration module 702, the hot plug signal is filtered processing for described, including：The heat is inserted
Pull out signal and the interactive controlling signal is filtered processing；
First judge module 703, for for judging whether the level of the hot plug signal after the filtering process occurs
Change；
First control module 704, if the level for the hot plug signal after the filtering process changes, control institute
State primary board and standby board does not transmit the interactive controlling signal；
3rd judge module 707, if the level for the hot plug signal after the filtering process does not change, sentence
Whether there is pressure switching signal in interactive controlling signal after the filtering process of breaking；
3rd control module 708, if for having pressure switching signal in the interactive controlling signal after the filtering process,
Control the standby board to switch to primary working condition, otherwise keep the work of the primary board and the standby board
State.
Optionally, as shown in Figure 10, the managing device 700 also includes：
Protection module 709, for carrying out protective treatment to the interactive controlling signal and hot plug signal.
Sending module 710, for the working condition of the primary board and the standby board to be sent in system
Other boards.
The managing device 700 of primary board and standby board to realize above-mentioned Fig. 1 to all processes of Fig. 6 methods describeds,
In order to avoid repeating, it is not repeated herein.The board of the present invention can be monitoring board, intersect board, clock integrated circuit boards etc..
As shown in figure 11, the embodiments of the invention provide the processing procedure figure of primary monitor board.
The monitor state signal and hot plug partitioned signal that standby monitor board is sent by socket introduce, by protection circuit
After carrying out anti-hot plug processing, FPGA is sent to.
By programming FPGA, monitor state signal and plug partitioned signal that standby monitor board is sent are sent into filter unit,
After carrying out sampling analysis with stable upper frequency clock, the signal shielding for being unsatisfactory for expected specification of shaking hands is fallen, to meeting to advise
The signal of model is judged, is changed if hot plug partitioned signal is effectively level, the monitoring that standby monitor board is sent
It is to control not transmitting monitor state signal between primary monitor board and standby monitor board that status signal, which is sent into isolated location,；If insert
Pull out the invalid i.e. level of partitioned signal not change, then the monitor state signal sent standby monitor board is sent into judging unit.
Programming FPGA is handled the signal for being sent into isolated location, if based on hot plug signal level changes
With monitor board, then the monitor state signal isolation sent standby monitor board, i.e., primary monitor board and standby monitoring are no longer transmitted
Monitor state between plate mutually passes signal；If hot plug signal level change for standby monitor board, directly export
Switching signal is forced to judging unit.
The pressure switching signal that programming FPGA is sent to the monitor state signal and isolated location of being sent into judging unit is carried out
Processing, when receiving pressure switching signal, do not go to decode the monitor state signal that standby monitor board is sent, but directly switch
The state of primary monitor board and standby monitor board；When do not receive force switching signal when, the just monitoring shape to standby monitor board
State signal is decoded and judges to switch the state of primary monitor board and standby monitor board.And this unit also exports primary prison
The monitor state signal for controlling plate reaches standby monitor board by protection circuit and socket lower backboard, while exports active and standby indication signal
With control signal to other boards in system.
As shown in figure 12, the embodiments of the invention provide the processing procedure figure of standby monitor board.
The monitor state signal and hot plug partitioned signal that primary monitor board is sent by socket introduce, by protection circuit
After carrying out anti-hot plug processing, FPGA is sent to.
By programming FPGA, monitor state signal and plug partitioned signal that primary monitor board is sent are sent into filter unit,
After carrying out sampling analysis with stable upper frequency clock, the signal shielding for being unsatisfactory for expected specification of shaking hands is fallen, to meeting to advise
The signal of model is judged, is changed if hot plug partitioned signal is effectively level, the monitoring that primary monitor board is sent
It is to control not transmitting monitor state signal between primary monitor board and standby monitor board that status signal, which is sent into isolated location,；If insert
Pull out the invalid i.e. level of partitioned signal not change, then the monitor state signal sent primary monitor board is sent into judging unit.
Programming FPGA is handled the signal for being sent into isolated location, if based on hot plug signal level changes
With monitor board, then the monitor state signal isolation sent standby monitor board, i.e., primary monitor board and standby monitoring are no longer transmitted
Monitor state between plate mutually passes signal；If hot plug signal level change for standby monitor board, directly export
Switching signal is forced to judging unit.
The pressure switching signal that programming FPGA is sent to the monitor state signal and isolated location of being sent into judging unit is carried out
Processing, when receiving pressure switching signal, do not go to decode the monitor state signal that primary monitor board is sent, but directly switch
The state of primary monitor board and standby monitor board；When do not receive force switching signal when, the just monitoring shape to primary monitor board
State signal is decoded and judges to switch the state of primary monitor board and standby monitor board.And this unit also exports primary prison
The monitor state signal for controlling plate reaches standby monitor board by protection circuit and socket lower backboard, while exports active and standby indication signal
With control signal to other boards in system.
As shown in figure 13, the embodiments of the invention provide the processing procedure figure of primary cross board.
The monitor state signal and hot plug partitioned signal that standby cross board is sent by socket introduce, by protection circuit
After carrying out anti-hot plug processing, FPGA is sent to.
By programming FPGA, crossing condition signal and plug partitioned signal that standby cross board is sent are sent into filter unit,
After carrying out sampling analysis with stable upper frequency clock, the signal shielding for being unsatisfactory for expected specification of shaking hands is fallen, to meeting to advise
The signal of model is judged, is changed if hot plug partitioned signal is effectively level, the intersection that standby cross board is sent
It is to control not transmitting monitor state signal between primary cross board and standby cross board that status signal, which is sent into isolated location,；If insert
Pull out the invalid i.e. level of partitioned signal not change, then the crossing condition signal sent standby cross board is sent into judging unit.
Programming FPGA is handled the signal for being sent into isolated location, if based on hot plug signal level changes
With cross board, then the crossing condition signal isolation sent standby cross board, i.e., primary cross board and standby intersection are no longer transmitted
Crossing condition between plate mutually passes signal；If hot plug signal level change for standby cross board, directly export
Switching signal is forced to judging unit.
The pressure switching signal that programming FPGA is sent to the crossing condition signal and isolated location of being sent into judging unit is carried out
Processing, when receiving pressure switching signal, do not go to decode the crossing condition signal that standby cross board is sent, but directly switch
The state of primary cross board and standby cross board；When not receiving pressure switching signal, just to the cross-like of standby cross board
State signal is decoded and judges to switch the state of primary cross board and standby cross board.And this unit also exports primary friendship
The crossing condition signal of fork plate reaches standby cross board by protection circuit and socket lower backboard, while exports active and standby indication signal
With control signal to other boards in system.
As shown in figure 14, the embodiments of the invention provide the processing procedure figure of standby cross board.
The crossing condition signal and hot plug partitioned signal that primary cross board is sent by socket introduce, by protection circuit
After carrying out anti-hot plug processing, FPGA is sent to.
By programming FPGA, crossing condition signal and plug partitioned signal that primary monitor board is sent are sent into filter unit,
After carrying out sampling analysis with stable upper frequency clock, the signal shielding for being unsatisfactory for expected specification of shaking hands is fallen, to meeting to advise
The signal of model is judged, is changed if hot plug partitioned signal is effectively level, the intersection that primary cross board is sent
It is to control not transmitting crossing condition signal between primary cross board and standby cross board that status signal, which is sent into isolated location,；If insert
Pull out the invalid i.e. level of partitioned signal not change, then the crossing condition signal sent primary cross board is sent into judging unit.
Programming FPGA is handled the signal for being sent into isolated location, if based on hot plug signal level changes
With cross board, then the crossing condition signal isolation sent standby cross board, i.e., primary cross board and standby intersection are no longer transmitted
Monitor state between plate mutually passes signal；If hot plug signal level change for standby cross board, directly export
Switching signal is forced to judging unit.
The pressure switching signal that programming FPGA is sent to the crossing condition signal and isolated location of being sent into judging unit is carried out
Processing, when receiving pressure switching signal, do not go to decode the crossing condition signal that primary cross board is sent, but directly switch
The state of primary cross board and standby cross board；When not receiving pressure switching signal, just to the cross-like of primary cross board
State signal is decoded and judges to switch the state of primary cross board and standby cross board.And this unit also exports primary friendship
The crossing condition signal of fork plate reaches standby cross board by protection circuit and socket lower backboard, while exports active and standby indication signal
With control signal to other boards in system.
As shown in figure 15, the embodiments of the invention provide the processing procedure figure of active clock plate.
The monitor state signal and hot plug partitioned signal that standby clock plate is sent by socket introduce, by protection circuit
After carrying out anti-hot plug processing, FPGA is sent to.
By programming FPGA, clock status signal and plug partitioned signal that standby clock plate is sent are sent into filter unit,
After carrying out sampling analysis with stable upper frequency clock, the signal shielding for being unsatisfactory for expected specification of shaking hands is fallen, to meeting to advise
The signal of model is judged, is changed if hot plug partitioned signal is effectively level, the clock that standby clock plate is sent
Status signal is sent into isolated location and does not transmit monitor state signal between control active clock plate and standby clock plate；If insert
Pull out the invalid i.e. level of partitioned signal not change, then the clock status signal sent standby clock plate is sent into judging unit.
Programming FPGA is handled the signal for being sent into isolated location, if based on hot plug signal level changes
With clock board, then the clock status signal sent standby clock plate is isolated, i.e., no longer transmits active clock plate and standby clock
Clock status between plate mutually pass signal；If hot plug signal level change for standby clock plate, directly export
Switching signal is forced to judging unit.
The pressure switching signal that programming FPGA is sent to the clock status signal and isolated location of being sent into judging unit is carried out
Processing, when receiving pressure switching signal, do not go to decode the clock status signal that standby clock plate is sent, but directly switch
The state of active clock plate and standby clock plate；When not receiving pressure switching signal, just to the clock-like of standby clock plate
State signal is decoded and judges to switch the state of active clock plate and standby clock plate.And when this unit also exports primary
The clock status signal of clock plate reaches standby clock plate by protection circuit and socket lower backboard, while exports active and standby indication signal
With control signal to other boards in system.
As shown in figure 16, the embodiments of the invention provide the processing procedure figure of standby clock plate.
The clock status signal and hot plug partitioned signal that active clock plate is sent by socket introduce, by protection circuit
After carrying out anti-hot plug processing, FPGA is sent to.
By programming FPGA, clock status signal and plug partitioned signal that primary monitor board is sent are sent into filter unit,
After carrying out sampling analysis with stable upper frequency clock, the signal shielding for being unsatisfactory for expected specification of shaking hands is fallen, to meeting to advise
The signal of model is judged, is changed if hot plug partitioned signal is effectively level, the clock that active clock plate is sent
Status signal is sent into isolated location and does not transmit clock board status signal between control active clock plate and standby clock plate；If
The invalid i.e. level of plug partitioned signal does not change, then the clock board status signal sent active clock plate, which is sent into, judges list
Member.
Programming FPGA is handled the signal for being sent into isolated location, if based on hot plug signal level changes
With clock board, then the clock status signal sent standby clock plate is isolated, i.e., no longer transmits active clock plate and standby clock
Monitor state between plate mutually passes signal；If hot plug signal level change for standby clock plate, directly export
Switching signal is forced to judging unit.
The pressure switching signal that programming FPGA is sent to the clock status signal and isolated location of being sent into judging unit is carried out
Processing, when receiving pressure switching signal, do not go to decode the clock status signal that active clock plate is sent, but directly switch
The state of active clock plate and standby clock plate；When not receiving pressure switching signal, just to the clock-like of active clock plate
State signal is decoded and judges to switch the state of active clock plate and standby clock plate.And when this unit also exports primary
The clock status signal of clock plate reaches standby clock plate by protection circuit and socket lower backboard, while exports active and standby indication signal
With control signal to other boards in system.
One of ordinary skill in the art will appreciate that all or part of step for realizing above-described embodiment method is can be with
Completed by the related hardware of programmed instruction, described program can be stored in a computer-readable medium, the program
Upon execution, comprise the following steps：Detect hot plug signal between primary board and standby board；
The hot plug signal is filtered processing；
Judge whether the level of the hot plug signal after the filtering process changes；
If the level of the hot plug signal after the filtering process changes, the primary board and standby board are controlled
The interactive controlling signal is not transmitted.
Optionally, methods described also includes：
Whether the board for judging to cause the level of the hot plug signal after the filtering process to change is primary board；
If the board for causing the level of the hot plug signal after the filtering process to change is primary board, control
The standby board switches to primary working condition, otherwise keeps the work shape of the primary board and the standby board
State.
Optionally, the length that the conductor of interactive controlling signal is transmitted between the primary board and the standby board is more than
The length of the conductor of transmission hot plug signal, hot plug signal between the primary board of the detection and standby board, including：
Detect hot plug signal and interactive controlling signal between primary board and standby board；
It is described that the hot plug signal is filtered processing, including：By the hot plug signal and the interactive controlling
Signal is filtered processing；
If the level of the hot plug signal after the filtering process does not change, the friendship after the filtering process is judged
Whether there is pressure switching signal in mutual control signal；
If having pressure switching signal in the interactive controlling signal after the filtering process, the standby board switching is controlled
For primary working condition, the working condition of the primary board and the standby board is otherwise kept.
Optionally, it is described the interactive controlling signal and hot plug signal are filtered processing before, methods described is also
Including：
Protective treatment is carried out to the interactive controlling signal and hot plug signal.
Optionally, methods described also includes：
Other boards working condition of the primary board and the standby board being sent in system.
Described storage medium, such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory
(Random Access Memory, abbreviation RAM), magnetic disc or CD etc..
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of primary board and the method for standby board management, it is characterised in that including：
Detect hot plug signal between primary board and standby board；
The hot plug signal is filtered processing；
Judge whether the level of the hot plug signal after the filtering process changes；
If the level of the hot plug signal after the filtering process changes, the primary board and standby board is controlled not to pass
Pass interactive controlling signal.
2. according to the method for claim 1, it is characterised in that methods described also includes：
Whether the board for judging to cause the level of the hot plug signal after the filtering process to change is primary board；
If the board for causing the level of the hot plug signal after the filtering process to change is primary board, described in control
Standby board switches to primary working condition, otherwise keeps the working condition of the primary board and the standby board.
3. according to the method for claim 1, it is characterised in that transmit and hand between the primary board and the standby board
The length of the conductor of mutual control signal is more than the length for the conductor for transmitting hot plug signal, described to detect primary board and standby plate
Hot plug signal between card, including：
Detect hot plug signal and interactive controlling signal between primary board and standby board；
It is described that the hot plug signal is filtered processing, including：
The hot plug signal and the interactive controlling signal are filtered processing；
Methods described also includes：
If the level of the hot plug signal after the filtering process does not change, the interaction control after the filtering process is judged
Whether pressure switching signal is had in signal processed；
If having pressure switching signal in the interactive controlling signal after the filtering process, the standby board is controlled to switch to master
Working condition, otherwise keep the working condition of the primary board and the standby board.
4. according to the method for claim 3, it is characterised in that described to enter the interactive controlling signal and hot plug signal
Before row filtering process, methods described also includes：
Protective treatment is carried out to the interactive controlling signal and hot plug signal.
5. according to the method for claim 4, it is characterised in that methods described also includes：
Other boards working condition of the primary board and the standby board being sent in system.
6. a kind of primary board and the device of standby board management, it is characterised in that including：
First detection module, for detecting hot plug signal between primary board and standby board；
First filtration module, for the hot plug signal to be filtered into processing；
First judge module, for judging whether the level of the hot plug signal after the filtering process changes；
First control module, if the level for the hot plug signal after the filtering process changes, control is described primary
Board and standby board do not transmit interactive controlling signal.
7. device according to claim 6, it is characterised in that described device also includes：
Second judge module, the board that the level of the hot plug signal after the filtering process changes is caused to be for judgement
No is primary board；
Second control module, if being main for causing the board that the level of the hot plug signal after the filtering process changes
With board, then control the standby board to switch to primary working condition, otherwise keep the primary board and described standby
The working condition of board.
8. device according to claim 6, it is characterised in that transmit and hand between the primary board and the standby board
The length of the conductor of mutual control signal is more than the length for the conductor for transmitting hot plug signal, and the first detection module is used to detect
Hot plug signal and the interactive controlling signal between primary board and standby board；
First filtration module is used to the hot plug signal and the interactive controlling signal being filtered processing；
Described device also includes：
3rd judge module, if the level for the hot plug signal after the filtering process does not change, described in judgement
Whether there is pressure switching signal in interactive controlling signal after filtering process；
3rd control module, if for having pressure switching signal in the interactive controlling signal after the filtering process, control institute
State standby board and switch to primary working condition, otherwise keep the working condition of the primary board and the standby board.
9. device according to claim 8, it is characterised in that described device also includes：
Protection module, for carrying out protective treatment to the interactive controlling signal and hot plug signal.
10. device according to claim 9, it is characterised in that described device also includes：
Sending module, for other plates being sent to the working condition of the primary board and the standby board in system
Card.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490228.2A CN107547234B (en) | 2016-06-28 | 2016-06-28 | Method and device for managing main board card and standby board card |
| PCT/CN2017/089566 WO2018001168A1 (en) | 2016-06-28 | 2017-06-22 | Method and apparatus for managing main board card and backup board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490228.2A CN107547234B (en) | 2016-06-28 | 2016-06-28 | Method and device for managing main board card and standby board card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107547234A true CN107547234A (en) | 2018-01-05 |
| CN107547234B CN107547234B (en) | 2019-12-24 |
Family
ID=60786561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610490228.2A Active CN107547234B (en) | 2016-06-28 | 2016-06-28 | Method and device for managing main board card and standby board card |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107547234B (en) |
| WO (1) | WO2018001168A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109388604A (en) * | 2018-11-01 | 2019-02-26 | 郑州云海信息技术有限公司 | A kind of hot plug control method based on PCIe, device and storage medium |
| CN109995597A (en) * | 2019-04-12 | 2019-07-09 | 杭州迪普科技股份有限公司 | A kind of network equipment failure processing method and processing device |
| TWI691835B (en) * | 2018-12-18 | 2020-04-21 | 英業達股份有限公司 | Detection control circuit and detection control method |
| CN112416445A (en) * | 2020-11-19 | 2021-02-26 | 北京天融信网络安全技术有限公司 | Device and method for determining main and standby board cards |
| CN112751753A (en) * | 2019-10-31 | 2021-05-04 | 中兴通讯股份有限公司 | Method and communication equipment for protecting main/standby states of single board |
| CN115834358A (en) * | 2022-11-24 | 2023-03-21 | 中盈优创资讯科技有限公司 | Method and device for automatically switching main board and standby board of equipment main control board card |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110347531A (en) * | 2019-07-05 | 2019-10-18 | 湖南省华芯医疗器械有限公司 | A kind of machine hot plug working method and system avoiding loss of data |
| CN113064664A (en) * | 2021-03-02 | 2021-07-02 | 凌华科技（中国）有限公司 | Control method and device, complex programmable logic device and server |
| CN112965751B (en) * | 2021-03-04 | 2023-05-26 | 杭州迪普科技股份有限公司 | Main control board card for frame type equipment |
| CN113792001B (en) * | 2021-09-06 | 2024-11-01 | 西安易朴通讯技术有限公司 | SAS EXP board card, back board and hot plug method |
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| US6363050B1 (en) * | 1998-03-12 | 2002-03-26 | Fujitsu Limited | Switching control in cold standby type of duplex transmission system |
| CN1719743A (en) * | 2004-07-08 | 2006-01-11 | 中兴通讯股份有限公司 | Method for preventing monolithic board from fault operation of master-slave back-up inverse circuit |
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| CN109388604A (en) * | 2018-11-01 | 2019-02-26 | 郑州云海信息技术有限公司 | A kind of hot plug control method based on PCIe, device and storage medium |
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| TWI691835B (en) * | 2018-12-18 | 2020-04-21 | 英業達股份有限公司 | Detection control circuit and detection control method |
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| CN112751753A (en) * | 2019-10-31 | 2021-05-04 | 中兴通讯股份有限公司 | Method and communication equipment for protecting main/standby states of single board |
| CN112416445A (en) * | 2020-11-19 | 2021-02-26 | 北京天融信网络安全技术有限公司 | Device and method for determining main and standby board cards |
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| CN115834358A (en) * | 2022-11-24 | 2023-03-21 | 中盈优创资讯科技有限公司 | Method and device for automatically switching main board and standby board of equipment main control board card |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018001168A1 (en) | 2018-01-04 |
| CN107547234B (en) | 2019-12-24 |
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