CN109408287A - A kind of storage and restoration methods, system and device of data reliability - Google Patents
A kind of storage and restoration methods, system and device of data reliability Download PDFInfo
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- CN109408287A CN109408287A CN201811142227.4A CN201811142227A CN109408287A CN 109408287 A CN109408287 A CN 109408287A CN 201811142227 A CN201811142227 A CN 201811142227A CN 109408287 A CN109408287 A CN 109408287A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1471—Saving, restoring, recovering or retrying involving logging of persistent data for recovery
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Abstract
The present invention relates to data processing fields, and in particular to a kind of storage and restoration methods, system and device of data reliability.The storage and restoration methods in data storage area comprising steps of being arranged storage size unanimously and being stored with the first memory block, the second memory block, third memory block and the 4th memory block of identical data information；And the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block；If the first memory block is identical with the data information of the second memory block, the first memory block and the data information of third memory block or the 4th memory block are subjected to the verifying of the phase same sex again, the data information of first memory block is copied in third memory block or the 4th memory block if different.Invention is by guaranteeing that it is unexpected that data occur in storing process, when data are not identical, restore correct data according to the data information of third memory block or the 4th memory block, guarantees the integrality of data, correctness；And improve the reliability and fault-tolerant ability of system.
Description
Technical field
The present invention relates to data processing fields, and in particular to a kind of storage of data reliability and restoration methods, system and
Device.
Background technique
In software systems, it is often necessary to store some important flag datas, for save some important data or
The state of person's system.
Meanwhile the size of flag data is usually fewer but may include more than one storage unit, still, if in number
According in storing process, there is fortuitous event, such as power down, storing process surprisingly terminate, and will lead to data a part of storage
It is updated, another part is not updated, and incomplete situation occur in data.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of data reliability
Storage and restoration methods, solve the problem of in data storage procedure that imperfect situation occur in data.
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of data reliability
Storage and recovery system, solve the problem of in data storage procedure that imperfect situation occur in data.
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a storage device, solve
In data storage procedure, there is the problem of imperfect situation in data.
The technical solution adopted by the present invention to solve the technical problems is: providing the storage and recovery of a kind of data reliability
Method, the storage and restoration methods are comprising steps of being arranged storage size unanimously in data storage area and having stored
There are the first memory block, the second memory block, third memory block and the 4th memory block of identical data information or clear data；Wherein,
When data storage area carries out data update, data information is successively updated to the first memory block, the second memory block, third memory block
In the 4th memory block；And the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block；If first deposits
Storage area is identical with the data information of the second memory block, as correct data information, then by correct data information and third memory block
Carry out the verifying of the phase same sex with the data information of the 4th memory block, if different by correct data information copy to third memory block and
In 4th memory block；If the data information of the first memory block and the second memory block is not identical, third memory block or the 4th are stored
The data information in area is copied in the first memory block and the second memory block.
Wherein, preferred version is that the storage and restoration methods are further comprised the steps of: in the first memory block and the second memory block
Data information it is not identical when, then the verifying of the phase same sex is carried out to the data information of third memory block and the 4th memory block；If third
Memory block is identical with the data information of the 4th memory block, and the data information of third memory block or the 4th memory block is copied to first
In memory block and the second memory block.
Wherein, preferred version is that the storage and restoration methods further comprise the steps of: and deposit first memory block, second
Stored identical data information is as initial default value in storage area, third memory block and the 4th memory block；Alternatively, by blank number
It is believed that breath is used as initial default value；Data information in first memory block and the second memory block is not identical and the third is deposited
When the data information of storage area and the 4th memory block is not also identical, by first memory block, the second memory block, third memory block and
Restore to initial default value 4th memory block.
Wherein, preferred version is: the mode of the phase same sex verifying uses the byte-by-byte alignments to data information.
Wherein, preferred version is that the storage and restoration methods further comprise the steps of: setting trigger event；And it is triggering
After trigger event, the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block.
Wherein, preferred version is: the trigger event includes that power down or storing process surprisingly terminate.
The technical solution adopted by the present invention to solve the technical problems is: providing the storage and recovery of a kind of data reliability
System, the storage and recovery system include storage unit and control unit, and the storage unit includes storage size one
The first memory block, the second memory block, third memory block and the 4th memory block of identical data information are caused and have been stored with, it is described
Control unit includes processing module, and the authentication module, the copy that connect respectively with processing module and insmod at module, described
Processing module is stored with the control program of storage and restoration methods as mentioned；Wherein, described to insmod data information more
Newly into each memory space of storage unit；The authentication module to the data information of any two memory space of storage unit into
The verifying of the row phase same sex；The data information of a certain memory space of storage unit is copied to another memory space by the copy module
Kind.
Wherein, preferred version is: it is described storage and recovery system further include the initial default value being connect with processing module
Setup module and initial default value recovery module, the initial default value setup module store first memory block, second
Stored identical data information is as initial default value in area, third memory block and the 4th memory block, alternatively, by clear data
Information is as initial default value；Also, the initial default value recovery module is in first memory block and the second memory block
When data information is not identical and the data information of the third memory block and the 4th memory block is not also identical, described first is stored
Area, the second memory block, third memory block and the 4th memory block are restored to initial default value.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of storage device, the storage device
It is stored with computer program, the computer program can be performed to realize such as the step of the storage and restoration methods.
The beneficial effects of the present invention are compared with prior art, invention is by designing the storage of data reliability a kind of
And restoration methods, system and storage device, the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block, it can
Occur to guarantee data in storing process surprisingly, when data are not identical, according to the data of third memory block or the 4th memory block
Information recovering correct data guarantees the integrality of data, correctness；And improve the reliability and fault-tolerant ability of system.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the flow diagram that data of the present invention update；
Fig. 2 is the flow diagram of present invention storage and restoration methods；
Fig. 3 is the flow diagram of the further phase same sex verifying of Fig. 2；
Fig. 4 is the flow diagram of initial default value setting of the present invention；
Fig. 5 is the present invention will be re-set as initial default value setting flow diagram after change；
Fig. 6 is the flow diagram of trigger event of the present invention；
Fig. 7 is the structural schematic diagram of present invention storage and recovery system；
Fig. 8 is the structural schematic diagram of initial default value module of the present invention；
Fig. 9 is the structural schematic diagram of trigger module of the present invention.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides a kind of storage of data reliability and the preferred implementation of restoration methods
Example.
It is consistent and equal that storage size is arranged in a kind of storage and restoration methods of data reliability in data storage area
It has been stored with the first memory block, the second memory block, third memory block and the 4th memory block of identical data information or clear data；
Wherein, and Fig. 1 is referred to, when data storage area carries out data update, data information is successively updated to the first memory block, second is deposited
In storage area, third memory block and the 4th memory block.
Specific steps include: step S11, prepare data update；Step S12, data information is updated to the first memory block；
Step S13, data information is updated to the second memory block；Step S14, data information is updated to third memory block；Step
S15, data information is updated to the 4th memory block.Until completing step S15, indicate to complete to update step.If if in data
In storing process, there is fortuitous event, such as power down, storing process surprisingly terminate, will lead to data a part quilt of storage
It updates, another part is not updated, and incomplete situation occur in data, will lead to the first memory block, the second memory block, third
The data of memory block and the 4th memory block are not identical.
Further, by data update module, it includes the insertion of data that data, which update, modification, deletes three generic operations, will
The data for needing to update are updated in corresponding first memory block, the second memory block, third memory block and the 4th memory block.
In the present embodiment, and refer to Fig. 2, it is described storage and restoration methods comprising steps of
Step S21, the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block；
If step S221, the first memory block is identical with the data information of the second memory block, then by the first memory block and third
The data information of memory block and the 4th memory block carries out the verifying of the phase same sex；
Step S222, the data information of first memory block is copied to third memory block and the 4th memory block if different
In；
If step S23, the data information of the first memory block and the second memory block is not identical, third memory block or the 4th are deposited
The data information of storage area is copied in the first memory block and the second memory block.
Specifically, firstly, if may result in two kinds of situations if there is fortuitous event in data storage procedure, the
The data information of one memory block and the second memory block is not identical, alternatively, the first memory block and third memory block or the 4th memory block
Data information it is not identical.So first carrying out step S21, the mode of the phase same sex verifying is used to data information word for word
Alignments are saved, is verified by storage and restoration methods convenient for the storage of small data, improves the update integrality of data.
Even the first memory block is identical with the data information of the second memory block, as correct data information, then by positive exact figures
It is believed that breath carries out the verifying of the phase same sex with the data information of third memory block and the 4th memory block, by correct data information if different
It is copied in third memory block and the 4th memory block.
Further, by judgement, step S221 and step S23 are respectively enterd, if entering step S221, at least proves the
The data information of one memory block and the second memory block is newest data information, at this time, it may be necessary to deposit to third memory block and the 4th
The data information of storage area is verified, if is newest data information, can be passed through the data information with the first memory block respectively
The verifying of the phase same sex is carried out, alternatively, then demonstrate,proving if they are the same by carrying out the verifying of the phase same sex with the data information of the second memory block respectively
The data information of bright third memory block or the 4th memory block is newest data information, instead then third memory block or the 4th memory block
Data information be not belonging to newest data information, also, by the first memory block latest data information or the second memory block
In latest data information, be updated in third memory block or the 4th memory block.
And if entering step S23, the data information for updating failure, the first memory block or the second memory block is at least proved
Be it is wrong, such as the first memory block storage failure, such as the first memory block data be it is newest, but the second memory block store
Failure.
In the present embodiment, and Fig. 3 is referred to, the storage and restoration methods further comprise the steps of:
Step S21, the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block；
Step S231, when the data information in the first memory block and the second memory block is not identical, then to third memory block and
The data information of 4th memory block carries out the verifying of the phase same sex；
If step S232, third memory block is identical with the data information of the 4th memory block, third memory block or the 4th are deposited
The data information of storage area is copied in the first memory block and the second memory block.
Specifically, at this point, in above-mentioned steps S23, it is also necessary to the data information of third memory block and the 4th memory block
The verifying of the phase same sex is carried out, the data information of third memory block and the 4th memory block is identical under normal circumstances, will deposit third
The data information of storage area or the 4th memory block is copied in the first memory block and the second memory block；If not identical, then it is assumed that system
It is abnormal.
As shown in Figure 4 and Figure 5, the present invention provides a kind of setting of initial default value and restores the preferred embodiment of data.
The storage and restoration methods further comprise the steps of:
It step S411, will be stored in first memory block, the second memory block, third memory block and the 4th memory block
Identical data information is as initial default value；
Step S412, using clear data information as initial default value；
Step S42, the data information in first memory block and the second memory block is identical and the third memory block
When also not identical with the data information of the 4th memory block, by first memory block, the second memory block, third memory block and the 4th
Restore to initial default value memory block.
Specifically, when the data information of the first memory block and the second memory block is not identical, then to third memory block and
The data informations of four memory blocks carries out the verifying of the phase same sex, if not identical, then it is assumed that system exception, by first memory block, the
Two memory blocks, third memory block and the 4th memory block are restored to initial default value.
Further, and Fig. 5 is referred to, the storage and restoration methods further comprise the steps of:
Step S51, it will have been deposited in presently described first memory block, the second memory block, third memory block and the 4th memory block
The identical data information of storage is as initial default value；
Step S52, and the data information in the first memory block, the second memory block, third memory block and the 4th memory block changes
New initial default value is reset after change.
It, all can be to the first memory block, the second memory block, the regardless of whether mistake occurs in general, in each update
Data information in three memory blocks and the 4th memory block is detected, if updating failure, by storage and restoration methods to first
Memory block, the second memory block, third memory block and the 4th memory block carry out data update, if being updated successfully, side setting is initial silent
Recognize value, if abnormal, the initial default value that last time is arranged is updated to the first memory block, the second memory block, third memory block and the
In four memory blocks.
Further, a new memory block can be set, such as the 5th memory block again, be used for storing initial default value.
As shown in fig. 6, the present invention provides a kind of preferred embodiment trigger event setting and responded.
The storage and restoration methods further comprise the steps of:
Step S61, trigger event is set；
Step S62, and after triggering trigger event, phase is carried out to the data information of the first memory block and the second memory block
Same sex verifying.
In the present embodiment, the trigger event includes that power down or storing process surprisingly terminate.
Specifically, relative to above-mentioned in each update, regardless of whether mistake occurs, it all can be to the first memory block, second
Data information in memory block, third memory block and the 4th memory block is detected, and by trigger event detection trigger, reduces number
According to computational complexity.
As shown in Figure 7, Figure 8 and Figure 9, the present invention provides a kind of storage of data reliability and the preferred implementation of recovery system
Example.
A kind of storage of data reliability and recovery system, the storage and recovery system include that storage unit and control are single
Member 100, the storage unit include that storage size is consistent and be stored with the first memory block of identical data information
210, the second memory block 220, third memory block 230 and the 4th memory block 240, described control unit 100 include processing module
110, and connect respectively with processing module 110 authentication module 130, copy module 120 and insmod 140, the processing
Module 110 is stored with the control program such as above-mentioned storage and restoration methods；Wherein, it is described insmod 140 by data information more
Newly into each memory space of storage unit；The authentication module 130 believes the data of any two memory space of storage unit
Breath carries out the verifying of the phase same sex；The data information of a certain memory space of storage unit is copied to another by the copy module 120
Memory space kind.
Specifically, when the processing module 110 detects external more new data, by insmoding 140 for the outside
More new data is successively updated to the first memory block 210, the second memory block 220, third memory block 230 and the 4th memory block 240；With
And after the completion of update, or after sending exception, processing module 110 is by authentication module 130 to the first memory block 210 and the
The data information of two memory blocks 220 carries out the verifying of the phase same sex, if the data information of the first memory block 210 and the second memory block 220
Identical, processing module 110 passes through authentication module 130 for the first memory block 210 and third memory block 230 or the 4th memory block again
240 data information carries out the verifying of the phase same sex；And if it is different, processing module 110 is then deposited by copying module 120 by first
The data information of storage area 210 is copied in third memory block 230 or the 4th memory block 240；If the first memory block 210 and second is deposited
The data information of storage area 220 is not identical, and processing module 110 is then stored third memory block 230 or the 4th by copy module 120
The data information in area 240 is copied in the first memory block 210 and the second memory block 220.
In the present embodiment, and Fig. 8 is referred to, the storage and recovery system further include connecting with processing module 110
Initial default value setup module 150 and initial default value recovery module 160, the initial default value setup module 150 will be described
Stored identical data letter in first memory block 210, the second memory block 220, third memory block 230 and the 4th memory block 240
Breath is used as initial default value, alternatively, using clear data information as initial default value；Also, the initial default value restores mould
Block 160 when the data information in third memory block 230 and the 4th memory block 240 is not identical, by first memory block 210,
Second memory block 220, third memory block 230 and the 4th memory block 240 are restored to initial default value.
Further, control unit 100 is preferably central processing unit, and central processing unit is one block of ultra-large integrated electricity
Road, is the arithmetic core and control core of a computer, its function is mainly that interpretive machine instruction and processing calculate
Data in machine software；Central processing unit mainly includes arithmetic unit and cache memory and realizes the number contacted between them
According to, control and state bus.It and internal storage and input-output apparatus are collectively referred to as the big core of electronic computer three
Part.
In the present embodiment, and Fig. 9 is referred to, the storage and recovery system include the triggering connecting with processing module 110
Module 170, the trigger module 170 are arranged trigger event and send trigger command after triggering trigger event to processing module
110, the processing module 110 controls authentication module 130 to the first memory block 210 and the second memory block 220 according to trigger command
Data information carry out the verifying of the phase same sex.
In the present invention, a kind of preferred embodiment of storage device is provided.
A kind of storage device, the storage device are stored with computer program, the computer program can be performed with
It realizes such as the step of the storage and restoration methods.
As described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yibenfa
Equivalent change or modification made by bright claim is all that the present invention is covered.
Claims (9)
1. the storage and restoration methods of a kind of data reliability, which is characterized in that it is described storage and restoration methods comprising steps of
It is consistent and be stored with the of identical data information or clear data that storage size is set in data storage area
One memory block, the second memory block, third memory block and the 4th memory block；Wherein, it when data storage area carries out data update, will count
It is believed that breath is successively updated in the first memory block, the second memory block, third memory block and the 4th memory block；
And the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block；
If the first memory block is identical with the data information of the second memory block, as correct data information, then by correct data information
The verifying of the phase same sex is carried out with the data information of third memory block and the 4th memory block, if different extremely by correct data information copy
In third memory block and the 4th memory block；
If the data information of the first memory block and the second memory block is not identical, the data of third memory block or the 4th memory block are believed
Breath is copied in the first memory block and the second memory block.
2. storage according to claim 1 and restoration methods, which is characterized in that the storage and restoration methods further comprise the steps of:
When data information in the first memory block and the second memory block is not identical, then to the number of third memory block and the 4th memory block
It is believed that breath carries out the verifying of the phase same sex；
If third memory block is identical with the data information of the 4th memory block, by the data information of third memory block or the 4th memory block
It is copied in the first memory block and the second memory block.
3. storage according to claim 2 and restoration methods, which is characterized in that the storage and restoration methods further comprise the steps of:
By stored identical data information in first memory block, the second memory block, third memory block and the 4th memory block
As initial default value；Alternatively, using clear data information as initial default value；
Data information in first memory block and the second memory block is identical and the third memory block and the 4th memory block
Data information it is also not identical when, first memory block, the second memory block, third memory block and the 4th memory block are restored
To initial default value.
4. according to claim 1 to 3 any storages and restoration methods, it is characterised in that: the mode of the phase same sex verifying is adopted
With the byte-by-byte alignments to data information.
5. according to claim 1 to 3 any storages and restoration methods, which is characterized in that the storage and restoration methods are also wrapped
Include step:
Trigger event is set；
And after triggering trigger event, the verifying of the phase same sex is carried out to the data information of the first memory block and the second memory block.
6. storage according to claim 5 and restoration methods, it is characterised in that: the trigger event includes power down or storing process
It is unexpected to terminate.
7. storage and the recovery system of a kind of data reliability, it is characterised in that: the storage and recovery system are single including storage
Member and control unit, the storage unit include that storage size is consistent and be stored with the first of identical data information and deposit
Storage area, the second memory block, third memory block and the 4th memory block, described control unit include processing module, and respectively with place
The authentication module of reason module connection copies module and insmods, and the processing module stores institute any just like claim 1-6
The control program of the storage and restoration methods stated；Wherein,
Data information is updated in each memory space of storage unit by described insmod；The authentication module is to storage unit
Any two memory space data information carry out the verifying of the phase same sex；The copy module is by a certain memory space of storage unit
Data information be copied to another memory space kind.
8. storage according to claim 7 and recovery system, it is characterised in that: it is described storage and recovery system further include with place
The initial default value setup module and initial default value recovery module of module connection are managed, the initial default value setup module is by institute
Stored identical data information in the first memory block, the second memory block, third memory block and the 4th memory block is stated to be used as initially
Default value, alternatively, using clear data information as initial default value；Also, the initial default value recovery module is described
The data information of one memory block and the second memory block is identical and the data information of the third memory block and the 4th memory block
When not identical, first memory block, the second memory block, third memory block and the 4th memory block are restored to initial default
Value.
9. a kind of storage device, it is characterised in that: the storage device is stored with computer program, and the computer program can
It is performed to realize and be stored as described in any one of claim 1 to 6 and the step of restoration methods.
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| CN201811142227.4A CN109408287B (en) | 2018-09-28 | 2018-09-28 | Data reliability storage and recovery method, system and device |
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| JP2005301671A (en) * | 2004-04-12 | 2005-10-27 | Denso Corp | Data restoration apparatus |
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| EP2824935A1 (en) * | 2013-07-08 | 2015-01-14 | Pace Plc | Broadcast data receiving apparatus and method |
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