CN103927237A - Core data backup and synchronization method and device - Google Patents
Core data backup and synchronization method and device Download PDFInfo
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- CN103927237A CN103927237A CN201310016702.4A CN201310016702A CN103927237A CN 103927237 A CN103927237 A CN 103927237A CN 201310016702 A CN201310016702 A CN 201310016702A CN 103927237 A CN103927237 A CN 103927237A
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Abstract
The invention relates to a core data backup and synchronization method and device. A storage medium for backing up core data information is added to a second control board (2), corresponding redundant backup units are added to a software controller, and the core data information in the storage media of two control boards and the core data information in the software controller are backed up and synchronized by the aid of a backup and synchronization mechanism after the core data information in the storage media on the two control boards is read by the software controller. When one control board is faulted, the core data information can be read out form the storage medium of the other control board without faults and synchronously enters a storage medium of a newly installed control board, and the core data information is recovered to the storage media through a locally stored log by the software controller if the two control boards are simultaneously faulted. Therefore, loss of core data can be avoided, and economic loss and time consuming are avoided.
Description
Technical field
The present invention relates to digital printing technology field, the data storage technology that especially carries out charging by number of prints or line number.
Background technology
Digital printing is a kind of printing mode that high speed development gets up in the last few years, adopts computing machine to process, and data file is directly printed.Digital printing is having the incomparable huge advantage of traditional printing aspect quick short run, personalization, variable data, printing on demand, and development in recent years is very rapid.Digital printing equipment is generally taked two kinds of charge methods: complete machine is charged and charged by opening.Complete machine charge refers to disposablely sells printing enterprise by equipment, and the cost of printing enterprise only has the expenses such as consumptive material afterwards; By a charge, refer to printing equipment to rent printing enterprise in the mode of lease, printing enterprise press printing amount number to the producer defrayment of printing equipment.Because the cost that needs printing enterprise to drop into by a charging is low, the risk that enterprise bears is little, and therefore a lot of printing enterprises have selected this kind of mode to carry out charging.Therefore,, for the production firm of digital printing equipment, how to design by charging and to preserve the information of number of prints most important.Due to the uncertainty of various external factor, how to avoid and tackle damage, loss of the core data causing due to hardware fault or replacing etc., become the most important thing in design.
Existing ink-jet printer core data is mostly deposited in the main logic unit-nozzle control panel (hereinafter to be referred as control panel) of shower nozzle, adopt Flash or other to deposit the main informations such as number of prints, hardware version numbers by storage medium, by control end software and control panel, communicate to obtain corresponding type information and version information.This way requires also not high, relatively simple for software program and hardware logic.But the storage medium being too dependent on control panel due to this kind of method records core data, if data suffer irreversible destruction (as strong electromagnetic, electrostatic interference etc.) in this medium, or control panel hardware fault is when need to change (storage medium is welded on control panel and cannot takes off), main core data will all be lost, cannot get the number of copies of printing machine, and then cause larger economic loss.
Summary of the invention
For problems of the prior art, the object of the invention is on the basis of existing memory mechanism, at control panel, increase a backup storage medium, and at software controller place, add corresponding redundancy backup unit, solve backup and the stationary problem of core data.Even if storage medium damages or is disturbed and causes data to be made mistakes like this, also can core data be recovered to the full extent by backup and synchronization mechanism, avoid the loss of core data, thereby avoid economic loss and time consumption.
The present invention solves the problems of the technologies described above adopted technical scheme as described below:
A kind of core data backup and the method for synchronizeing, it is characterized in that, on the second control panel of ink-jet printer, increase by one for backing up the storage medium of core data information, and at software controller place, add corresponding redundancy backup unit, the steering logic unit of software controller reads on the first control panel and the second control panel after the core data information in storage medium, and the core data information in the storage medium of the first control panel, the second control panel of realizing by backup and synchronization mechanism is with core data information backup in software controller and synchronize.
Further, described backup and synchronization mechanism are stored in the core data information in the first control panel or the second control panel in the local daily record of software controller by the steering logic unit of software controller, and when described backup and synchronization mechanism comprise the synchronous of when start core data and shut down, core data synchronizes.
Further, synchronously the comprising the following steps of core data during start:
(1) start start flow process, the steering logic unit of software controller reads the core data information in storage medium in the first control panel and the second control panel;
(2) the steering logic unit of software controller checks that whether the first control panel is consistent with the core data information in storage medium in the second control panel, if consistent, continues normal boot-strap; If inconsistent, enter start data exception and recover flow process.
Further, the recovery flow process of start data exception is as follows:
(1) the core data information of the steering logic unit reading software controller end record of software controller;
(2) respectively with the storage medium of the first control panel and the second control panel in core data information contrast, judge whether that the core data information in the storage medium on control panel is consistent with the core data information of software controller end record, if, the steering logic unit of software controller steps into the core data information of software controller end in the storage medium of the first control panel and the second control panel together, and continues start flow process; If not, extremely report an error, by technician, processed.
Further, synchronously the comprising the following steps of core data during shutdown:
(1) start shutdown process, the steering logic unit of software controller reads the core data information in storage medium in the first control panel and the second control panel;
(2) whether the core data information in the steering logic unit judges first control panel storage medium of software controller is greater than the core data information in the second control panel storage medium, if, the steering logic unit of software controller by command adapted thereto respectively the core data information in the first control panel storage medium is write in the second control panel storage medium with software controller first day of the lunar year will in, if not, enter shutdown data exception and recover flow process;
(3) the steering logic unit of software controller checks the storage medium of the first control panel, whether the core data information in the storage medium of the second control panel and software controller first day of the lunar year will is consistent, if, continue shutdown process, if not, by the steering logic unit of software controller, again read the core data information of the first control panel storage medium, and proceed to step (2) and rejudge.
Further, the recovery flow process of shutdown data exception is as follows:
In steering logic unit judges first control panel of software controller, whether the core data information of storage medium equals the core data information of storage medium in the second control panel, if so, extremely reports an error, and by technician, is processed; If not, check that whether the core data information in the second control panel storage medium is consistent with the core data information of software controller end storage, if so, the corrupted data of prompting the first control panel storage medium that reports an error, and whether prompting recovers with other storage mediums; If not, extremely report an error, by technician, processed.
Further again, described core data information refers to number of print pages information.
A kind of core data backup and the device of synchronizeing, comprise the first control panel, the second control panel and software controller, in the first control panel, storage medium is set, it is characterized in that, on the second control panel, arrange one for backing up the storage medium of core data information, described storage medium is connected with software controller, described software controller has with storage medium corresponding redundancy backup unit and makes software controller realize the first control panel by backup and synchronization mechanism, core data information in the storage medium of the second control panel and the core data information backup in software controller and the steering logic unit of synchronizeing.
Further, described backup and synchronization mechanism are stored in the core data information in the first control panel or the second control panel in the local daily record of software controller by the steering logic unit of software controller.
Further again, described core data information refers to number of print pages information.
Beneficial effect of the present invention is as follows: the present invention is in original core data storage mechanism, on the second control panel, increase a backup storage medium for synchronous, the print data real-time update of the first control panel, when shutdown, be synchronized to the second control panel, and software control end is stored corresponding data to local.As wherein one of the first control panel or the second control panel, break down, can from the storage medium that another piece does not break down, read core data and with in the new storage medium of installing of stepping; If two storage mediums break down simultaneously, by software controller end, be stored in local daily record and recover core data to storage medium, therefore, the present invention makes the loss of core data only limit to the last time and is synchronized to the time that two control panels break down, and can reduce the loss to greatest extent.
Accompanying drawing explanation
Fig. 1 is the present invention's synchronous process flow diagram of core data while starting shooting;
Fig. 2 is the present invention's synchronous process flow diagram of core data while shutting down;
There is the process flow diagram that core data recovers when abnormal for start in Fig. 3;
There is the process flow diagram that core data recovers when abnormal for shutdown in Fig. 4;
Fig. 5 is core data backup of the present invention and the device schematic diagram of synchronizeing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
First it should be noted that in by the Digital ink jet printing production run of a charging, one of core data that the number that ink-jet printer is printed is ink-jet printer, if these data are damaged or are lost and will cause larger economic loss.Original core data memory mechanism just allows core data be stored on the erasable storage medium on control panel, under the state that working environment is stablized and service condition is good, storage medium has higher stability, can carry out safe storage to core data.Yet in actual production process, the working environment of control panel may be more severe, be vulnerable to the impacts such as vibrations, electrostatic interference, also have humidity, fly China ink and all may cause and disturb and destroy control panel and storage medium, once cause damage need to change control panel, at this moment original core data storage method can not guarantee safe storage and the recovery of core data.
The ink-jet printer the present invention relates at least needs two control panels while moving.The first control panel and the second control panel in the backup of core data provided by the invention and synchronous method and device can storage datas, backup each other, and storage medium can backup.Guaranteed the safety and reliability of core data, and (as two places storage inefficacy simultaneously) can be reduced to minimum level by data degradation when small probability situation occurs.The present invention increases a backup storage medium on a control panel therein, and has added corresponding redundancy backup unit at software controller place, solves backup and the stationary problem of core data.Even if storage medium damages or is disturbed and causes data to be made mistakes like this, also can core data information be recovered to the full extent by backup and synchronization mechanism, avoid the loss of core data, thereby avoid economic loss and time consumption.
Particularly, a kind of core data backup and the method for synchronizeing, as Figure 1-4, on the second control panel 2, increase by one for backing up the storage medium of core data information, and at software controller place, add corresponding redundancy backup unit, the steering logic unit of software controller reads the number of print pages in storage medium on the first control panel 1 and the second control panel 2, after the core data information such as digital control system parameter, by backup and synchronization mechanism, realize the first control panel 1, core data information in the storage medium of the second control panel 2 and the core data information backup in software controller with synchronize.
Backup of the present invention and synchronization mechanism are stored in the core data information in the first control panel 1 or the second control panel 2 in the local daily record of software controller by the steering logic unit of software controller.One of function that the steering logic unit of software controller is realized be in the present invention exactly core data in Standby control plate in this locality, read the data in control panel, copy to this locality and back up.
The synchronizeing of core data when backup and synchronization mechanism comprise the synchronous of when start core data and shut down,
Wherein, as shown in Figure 1, synchronously the comprising the following steps of core data during start:
(1) start start flow process, the steering logic unit of software controller reads the core data information in storage medium in the first control panel 1 and the second control panel 2;
(2) the steering logic unit of software controller checks that whether the first control panel 1 is consistent with the core data information in storage medium in the second control panel 2, if consistent, continues normal boot-strap; If inconsistent, enter start data exception and recover flow process; Core data information herein unanimously refer to that number of print pages is identical.
As shown in Figure 3, the recovery flow process of start data exception is as follows:
(1) the core data information of the steering logic unit reading software controller end record of software controller;
(2) respectively with the storage medium of the first control panel 1 and the second control panel 2 in core data information contrast, judge whether that the core data information in the storage medium on control panel is consistent with the core data information of software controller end record, if, the core data information of software controller end is stepped in the storage medium of the first control panel 1 and the second control panel 2 together, and continuation start flow process, synchronous just referring to by steering logic unit described herein is written to the data of software controller end respectively in the storage medium of the first control panel 1 and the second control panel 2, if not, extremely report an error, by technician, processed.Extremely reporting an error is herein that the modes such as sign, pop-up window that give a warning of being taked by software controller end realize.
As shown in Figure 2, synchronously the comprising the following steps of core data during shutdown:
(1) start shutdown process, the steering logic unit of software controller reads the core data information in storage medium in the first control panel 1 and the second control panel 2;
(2) whether the core data information in steering logic unit judges first control panel 1 storage medium of software controller is greater than the core data information in the second control panel 2 storage mediums, if, the steering logic unit of software controller by command adapted thereto respectively the core data information in the first control panel 1 storage medium is write in the second control panel 2 storage mediums with software controller first day of the lunar year will in, if not, enter shutdown data exception and recover flow process;
(3) the steering logic unit of software controller checks the storage medium of the first control panel 1, whether the core data information in the storage medium of the second control panel 2 and software controller first day of the lunar year will is consistent, if, continue shutdown process, if not, by the steering logic unit of software controller, again read the core data information of the first control panel 1 storage medium, and proceed to step (2) and rejudge.
As shown in Figure 4, the recovery flow process of shutdown data exception is as follows:
Whether the core data information of the steering logic unit judges first control panel 1 interior storage medium of software controller equals the core data information of the second control panel 2 interior storage mediums, if so, extremely reports an error, and by technician, is processed; If not, check that whether the core data information in the second control panel 2 storage mediums is consistent with the core data information of software controller end storage, if so, the corrupted data of prompting the first control panel 1 storage medium that reports an error, and whether prompting recovers with other storage mediums; If not, extremely report an error, by technician, processed.Described report an error by software controller end take to give a warning sign, eject the modes such as wrong window and realize.
A kind of core data backup and the device of synchronizeing, as shown in Figure 5, comprise the first control panel 1, the second control panel 2 and software controller 3, on the first control panel 1 and the second control panel 2, be all provided with for storing the storage medium of core data information, described storage medium is connected with software controller, described software controller has with storage medium corresponding redundancy backup unit and makes software controller realize the first control panel 1 by backup and synchronization mechanism, core data information in the storage medium of the second control panel 2 and the core data information backup in software controller and the steering logic unit of synchronizeing.
Steering logic unit is the core data information in the first control panel 1, the second control panel 2 and software controller first day of the lunar year will (number of print pages) by contrast, and the flow process of carrying out according to said start above, shutdown judges and controls.
Core data information of the present invention refers to number of print pages information.
In one embodiment, a kind of core data backup provided by the invention and the method for synchronizeing, as Figure 1-4.Below in conjunction with Fig. 1 synchronous flow process of core data when starting shooting in the present invention, be described in detail.
Step S100: start flow startup, the steering logic unit of software controller reads the core data information in storage medium in the first control panel 1 and the second control panel 2, and check that whether core data information is consistent, if so, perform step S101 and continue normal boot-strap; If not, perform step S102 and carry out data recovery.
Step S101: proceed the flow process of starting shooting.
Step S102: enter start data exception and recover flow process.
Below in conjunction with Fig. 2 synchronous flow process of core data when shutting down in the present invention, be described in detail.As shown in Figure 2, during shutdown, the synchronous flow process of core data, comprises the steps:
Step S200: shutdown process starts, and the steering logic unit of software controller reads the core data information in storage medium in the first control panel 1.
Step S201: read the core data information in storage medium in the second control panel 2.
Step S202: the steering logic unit of software controller contrasts reading two core data information of returning, and judge whether the core data information in the first control panel 1 storage medium is greater than the core data information in the second control panel 2 storage mediums, if so, execution step S203 continues shutdown process; If not, perform step S207 and carry out data recovery.
Step S203: the core data information in the first control panel 1 storage medium is write in the second control panel 2 storage mediums.
Step S204: the core data information in the first control panel 1 storage medium is write in software controller first day of the lunar year will and retained.
Step S205: the steering logic unit of software controller checks that whether the core data information in the first control panel 1 storage medium, the second control panel 2 storage mediums and software controller first day of the lunar year will is consistent, if so, execution step S206 continues shutdown process; If not, perform step S208, again read the core data information in the first control panel 1 storage medium.
Step S206: continue shutdown process.
Step S207: enter shutdown data exception and recover flow process.
Step S208: the steering logic unit of software controller reads core data information in the first control panel 1 storage medium.
Below in conjunction with Fig. 3 abnormal recovery flow process of core data when starting shooting in the present invention, be described in detail.The flow process that when as shown in Figure 3, start appearance is abnormal, core data recovers comprises the steps:
Step S300: occur extremely during start, the core data information on the first control panel 1 and the second control panel 2 in storage medium is inconsistent.The core data information of the steering logic unit reading software controller end record of software controller, and contrast with the core data information in two control panel storage mediums, judge whether that on a control panel, the core data information in storage medium is consistent with the core data information of software controller end, if so, carry out the synchronous flow process of S301; If not, carry out the S303 flow process that reports an error.
Step S301: the steering logic unit of software controller steps into the core data information of software controller end in the storage medium of two control panels together.
Step S302: continue to carry out start flow process.
Step S303: extremely report an error, processed by technician.
Below in conjunction with Fig. 4 abnormal recovery flow process of core data when shutting down in the present invention, be described in detail.The flow process that when as shown in Figure 4, shutdown appearance is abnormal, core data recovers comprises the steps:
During shutdown, core data refers to that the core data information of the first control panel 1 interior storage is less than or equal to the number of pages information of the second control panel 2 interior storages extremely.
Step S400: whether the core data information of the steering logic unit judges first control panel 1 interior storage of software controller equals the core data information of the second control panel 2 interior storages, if so, execution step S403 reports an error extremely; If not, perform step S401 and do further judgement.
Step S401: the steering logic unit of software controller checks that whether the core data information in the second control panel 2 storage mediums is consistent with the core data information of software controller end storage.If so, execution step S402 reports an error and points out synchronous; If not, performing step S404 reports an error.
Step S402: the steering logic unit of software controller reports an error and points out the core data information of the first control panel 1 storage medium to damage, and whether prompting recovers by the core data information in other backup storage mediums.
Step S403: in the storage medium of the first control panel 1, in the core data information of storage and the storage medium of the second control panel 2, the core data information of storage is identical, extremely reports an error, and is processed by technician.
Step S404: the core data information of the core data information of storing in the core data information of storage and the storage medium of the second control panel 2 in the storage medium of the first control panel 1 and the storage of software controller end is not identical, extremely report an error, need technician to process.
Core data backup and a device of synchronizeing, as shown in Figure 5, comprising:
Storage medium: can store data, and erasable and change data, be convenient to the version alternation of signs after the increase of number of copies information and hardware version upgrading, the storage medium described in the present embodiment be on the first control panel 1 for store on the storage medium of core data information and the second control panel 2 for backing up the storage medium of core data information.
Software control end: for reading the core data information in the storage medium on control panel and being stored in the local daily record of software controller, prepare for the recovery under fortuitous event, the software control end described in the present embodiment refers to software controller 3.
Storage medium on the first control panel 1 and the storage medium of the second control panel 2 are connected with software controller, and software controller has corresponding steering logic unit and the redundancy backup unit corresponding with backup storage medium.
Corresponding steering logic: for core data is read and write, and (as inconsistent in the data in two storage mediums) carries out corresponding recovery operation when there is stationary problem.
Core data information of the present invention refers to the main informations such as number of print pages information or hardware version numbers.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion all drop in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above in order to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a core data backs up and the method for synchronizeing, it is characterized in that, the second control panel (2) at ink-jet printer above increases by one for backing up the storage medium of core data information, and at software controller place, add corresponding redundancy backup unit, the steering logic unit of software controller reads after the core data information in the first control panel (1) and the upper storage medium of the second control panel (2), by backup and synchronization mechanism, realize the first control panel (1), core data information in the storage medium of the second control panel (2) and the core data information backup in software controller with synchronize.
2. a kind of core data backup as claimed in claim 1 and the method for synchronizeing, it is characterized in that, described backup and synchronization mechanism are stored in the core data information in the first control panel (1) or the second control panel (2) in the local daily record of software controller by the steering logic unit of software controller, and when described backup and synchronization mechanism comprise the synchronous of when start core data and shut down, core data synchronizes.
3. a kind of core data backup as claimed in claim 2 and the method for synchronizeing, is characterized in that, synchronously the comprising the following steps of core data during start:
(1) start start flow process, the steering logic unit of software controller reads the core data information in storage medium in the first control panel (1) and the second control panel (2);
(2) the steering logic unit of software controller checks that whether the first control panel (1) is consistent with the core data information in storage medium in the second control panel (2), if consistent, continues normal boot-strap; If inconsistent, enter start data exception and recover flow process.
4. a kind of core data backup as claimed in claim 3 and the method for synchronizeing, is characterized in that, the recovery flow process of start data exception is as follows:
(1) the core data information of the steering logic unit reading software controller end record of software controller;
(2) respectively with the storage medium of the first control panel (1) and the second control panel (2) in core data information contrast, judge whether that the core data information in the storage medium on control panel is consistent with the core data information of software controller end record, if, the steering logic unit of software controller steps into the core data information of software controller end in the storage medium of the first control panel (1) and the second control panel (2) together, and continues start flow process; If not, extremely report an error, by technician, processed.
5. a kind of core data backup as claimed in claim 2 and the method for synchronizeing, is characterized in that, synchronously the comprising the following steps of core data during shutdown:
(1) start shutdown process, the steering logic unit of software controller reads the core data information in storage medium in the first control panel (1) and the second control panel (2);
(2) whether the core data information in steering logic unit judges the first control panel (1) storage medium of software controller is greater than the core data information in the second control panel (2) storage medium, if, the steering logic unit of software controller writes the core data information in the first control panel (1) storage medium respectively in the second control panel (2) storage medium and in software controller first day of the lunar year will by command adapted thereto, if not, enter shutdown data exception and recover flow process;
(3) the steering logic unit of software controller checks that whether the core data information in the storage medium of the first control panel (1), the storage medium of the second control panel (2) and software controller first day of the lunar year will is consistent, if, continue shutdown process, if not, by the steering logic unit of software controller, again read the core data information of the first control panel (1) storage medium, and proceed to step (2) and rejudge.
6. a kind of core data backup as claimed in claim 4 and the method for synchronizeing, is characterized in that, the recovery flow process of shutdown data exception is as follows:
Whether the core data information of the interior storage medium of steering logic unit judges the first control panel (1) of software controller equals the core data information of the interior storage medium of the second control panel (2), if so, extremely reports an error, and by technician, is processed; If not, check that whether the core data information in the second control panel (2) storage medium is consistent with the core data information of software controller end storage, if so, the corrupted data of prompting the first control panel (1) storage medium that reports an error, and whether prompting recovers with other storage mediums; If not, extremely report an error, by technician, processed.
7. a kind of core data backup and the method for synchronizeing as described in one of claim 1-6, is characterized in that, described core data information refers to number of print pages information.
8. a core data backs up and the device of synchronizeing, comprise the first control panel (1), the second control panel (2) and software controller (3), the first control panel arranges storage medium in (1), it is characterized in that, on the second control panel (2), arrange one for backing up the storage medium of core data information, described storage medium is connected with software controller, described software controller has with storage medium corresponding redundancy backup unit and makes software controller realize the first control panel (1) by backup and synchronization mechanism, core data information in the storage medium of the second control panel (2) and the core data information backup in software controller and the steering logic unit of synchronizeing.
9. as claim 8 a kind of core data backup of stating and the device of synchronizeing, it is characterized in that, described backup and synchronization mechanism are stored in the core data information in the first control panel (1) or the second control panel (2) in the local daily record of software controller by the steering logic unit of software controller (3).
10. as claim 9 a kind of core data backup of stating and the device of synchronizeing, it is characterized in that, described core data information refers to number of print pages information.
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