CN107301020A - Data managing method and managing device - Google Patents

Data managing method and managing device Download PDF

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Publication number
CN107301020A
CN107301020A CN201710478856.3A CN201710478856A CN107301020A CN 107301020 A CN107301020 A CN 107301020A CN 201710478856 A CN201710478856 A CN 201710478856A CN 107301020 A CN107301020 A CN 107301020A
Authority
CN
China
Prior art keywords
mark
storage
data storage
write
inventory
Prior art date
Application number
CN201710478856.3A
Other languages
Chinese (zh)
Inventor
刘晓华
袁林
彭海辉
浦雪峰
Original Assignee
苏州交运电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州交运电子科技有限公司 filed Critical 苏州交运电子科技有限公司
Priority to CN201710478856.3A priority Critical patent/CN107301020A/en
Publication of CN107301020A publication Critical patent/CN107301020A/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601Dedicated interfaces to storage systems
    • G06F3/0602Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
    • G06F3/062Securing storage systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601Dedicated interfaces to storage systems
    • G06F3/0628Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0646Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/0652Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601Dedicated interfaces to storage systems
    • G06F3/0668Dedicated interfaces to storage systems adopting a particular infrastructure
    • G06F3/0671In-line storage system
    • G06F3/0673Single storage device
    • G06F3/0679Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]

Abstract

The invention discloses a kind of data managing method and managing device, the management method includes:Data storage to write storage device carries out mark, and the mark of mark and the write time of data storage correspond;Default time threshold is reached in response to the write time, corresponding mark, which is stored in, to be allowed to delete in inventory;Receive and delete file instruction;The data storage corresponding to the mark allowed in deletion inventory is deleted in storage device;Corresponding mark is deleted in deletion inventory is allowed.The present invention is deleted file using storage file mark numbering, chronograph mechanism, extends the erase-write cycles of storage device, and the erasable frequency of uniform arrangement storage device different sectors considerably increases the service life of storage device, improves data reliability.

Description

Data managing method and managing device

Technical field

The present invention relates to field of storage, more particularly to a kind of data managing method and managing device.

Background technology

Single chip application field extensively, is developed with the technology of decades now, and the performance more and more higher of single-chip microcomputer is outside Extended capability is more next strong, and simultaneously network technology, the development of data storage medium technology brings new approaches to whole industry, The network of high speed, big data are stored in some industries into demand, then some high performance plug-in Large Copacities of single-chip microcomputer Storage device into the thing that when the water comes, a channel is formed, and the plug-in SD card of single-chip microcomputer be one of them (log content is short and small but preserves frequency It is numerous, cause the erasable number of times of SD card frequent).

General SD card has the limitation of erasing times life-span, and conservative point says SD card erasing life-span few several of commercial type Thousand times, many up to ten thousand times, if these SD cards are applied in some long-plays, the equipment of frequent read-write data, just not Obtain and do not face a problem:How SD card restricted lifetime, could allow the SD card of equipment to increase the service life.

In the prior art, in order that SD card has enough spaces, not timing can be cleared up SD card space so that SD card The frequency of use of each interior sector occurs in that situation about seriously differing, so that individual sector takes the lead in damaging, for there is indivedual fans The SD card that area is damaged, it is necessary to format, keep apart the sector of damage, using remaining sector, until all sectors are all damaged Bad, then the SD card is scrapped.

However, SD card is very big to the destructiveness of data storage, multiple SD card individual sector well damage have impact on SD card The security of data storage.

The content of the invention

It is balanced each the invention provides a kind of data managing method and managing device in order to solve problem of the prior art The frequency of use of sector, extends the erase-write cycles of SD card, and technical scheme is as follows:

On the one hand, the invention provides a kind of data managing method, including:

Carry out mark to the data storage of write storage device, a pair of the mark of mark and write time 1 of data storage Should;

Default time threshold is reached in response to the write time, corresponding mark, which is stored in, to be allowed to delete in inventory;

Receive and delete file instruction;

The data storage corresponding to the mark allowed in deletion inventory is deleted in storage device;

Corresponding mark is deleted in deletion inventory is allowed.

Further, the data storage deleted corresponding to the mark allowed in deletion inventory includes:Search and permit Perhaps the mark of storage time earliest in inventory is deleted, corresponding data storage is deleted according to the mark.

Further, the reception also includes before deleting file instruction:

Receive target data storage to be written;

Detect the residual capacity of storage device;

Judge whether the residual capacity is more than the data capacity of the target data storage, if so, then storing target Data write storage device, and wait target data storage next time to be written to be received;

If it is not, then sending deletion file instruction.

Further, also include after the data storage deleted corresponding to the mark allowed in deletion inventory:

Judge whether storage device current remaining capacity is more than the data capacity of the target data storage, if so, then will Target data storage write storage device, and wait target data storage next time to be written to be received;

If it is not, then deleting the data storage corresponding to the mark allowed in deletion inventory again.

Further, the data storage deleted corresponding to the mark allowed in deletion inventory includes:Deletion pair The data storage answered allows to delete the data storage corresponding to whole marks in inventory.

On the other hand, the invention provides second of data managing method, including:

Carry out mark to the data storage of write storage device, a pair of the mark of mark and write time 1 of data storage Should;

Receive and delete file instruction;

Judge that earliest mark marks whether to reach default time threshold, if so, then deleting described in storage device Earliest mark mark and its corresponding data storage.

Another further aspect, the invention provides a kind of data administrator, including:

Mark module, for carrying out mark to the data storage of write storage device, the mark of mark and data storage Write time corresponds;

Allow to delete checklist module, default time threshold is reached for responding the write time, corresponding mark is preserved In deletion inventory is allowed;

Instruction module, file instruction is deleted for receiving;

File removing module, for deleting the storage corresponding to the mark allowed in deletion inventory in storage device Data;

Removing module is marked, for deleting corresponding mark in deletion inventory is allowed.

Further, described device also includes:

Module to be written, the target data storage to be written for receiving;

Detection module, the residual capacity for detecting storage device;

Capacity comparison module, for judging whether the residual capacity is more than the data capacity of the target data storage, The capacity comparison module includes write-in receiving unit and instruction sending unit again, and receiving unit is used for target said write again Data storage write storage device, and wait target data storage next time to be written to be received;The instruction sending unit is used In sending deletion file instruction.

Further, described device also includes:

Second capacity comparison module, for judging whether storage device current remaining capacity is more than the target data storage Data capacity, the second capacity comparison module includes the second write-in and receiving unit and deletes unit again again, and described second writes Entering again receiving unit is used for target data storage write storage device, and waits target storage number next time to be written to be received According to;The unit of deleting again is used to delete the data storage corresponding to the mark allowed in deletion inventory again.

Another further aspect, the invention provides a kind of data administrator, including:

Second mark module, mark, mark and the storage number of mark are carried out for the data storage to write storage device According to write time correspond;

Second instruction module, file instruction is deleted for receiving;

Judge module, the mark for judging earliest marks whether to reach default time threshold;

Removing module, for deleting the earliest mark mark and its corresponding data storage in storage device.

What the technical scheme that the present invention is provided was brought has the beneficial effect that:

A. by extending erase-write cycles, corresponding SD single sector erase-write cycles are also extended, and balance the use of each sector Frequency, effectively prevents individual sector from taking the lead in scrapping, and has both extended the service life of SD card, and the peace of SD card data storage is improved again Quan Xing;

B. the file deleted is ensured more than time threshold, and the mistake for effectively having prevented information is deleted, and improves data Safety and reliability.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Fig. 1 is the flow chart of data managing method provided in an embodiment of the present invention;

Fig. 2 is the flow chart of the triggering method of deletion file instruction provided in an embodiment of the present invention;

Fig. 3 is the flow chart of data follow-up management method provided in an embodiment of the present invention;

Fig. 4 is the flow chart of second of data managing method provided in an embodiment of the present invention;

Fig. 5 is the module frame chart of data administrator provided in an embodiment of the present invention;

Fig. 6 is the module frame chart of second of data administrator provided in an embodiment of the present invention;

Fig. 7 is the schematic diagram of extension erase-write cycles provided in an embodiment of the present invention.

Embodiment

In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model that the present invention is protected Enclose.

It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover Lid is non-exclusive to be included, for example, the process, method, device, product or the equipment that contain series of steps or unit are not necessarily limited to Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product Or the intrinsic other steps of equipment or unit.

Embodiment 1

In one embodiment of the invention there is provided a kind of data managing method, referring to Fig. 1, including:

S1, the data storage to write storage device carry out mark, the mark of mark and the write time one of data storage One correspondence.

Specifically, the mark may be regarded as that the data storage (i.e. file) of write storage device is numbered, and file is compiled It number can be named with creation time (i.e. write time), realize and correspond, such as reference number of a document 201706011130, table What is shown is that this document is to be written in storage device 30 minutes June 1 day 11 point in 2017.

S2, judge whether the write time reaches default time threshold, if so, performing S3.

S3, by it is corresponding mark be stored in allow delete inventory in.

Exceed time threshold when occurring the corresponding creation time of reference number of a document in storage device (such as SD card) for the first time, then Newly-built one allows to delete inventory, and this document numbering is increased newly in the inventory.Creation time, which exceedes time threshold, can make as follows Definition:

Such as, default time threshold is 20 days, and current time is 21 days 12 June in 2017:00, then for reference number of a document 201706011130 data, are judged to reaching default time threshold, and for 201706011300 data, are then determined as Not up to default time threshold.

File instruction is deleted in S4, reception.

After file deletion instruction is triggered, then deletion instruction is received, the mode of specific triggering deletion instruction is in following realities Apply in example and illustrate.

S5, delete in storage device and described to allow to delete the data storage corresponding to the mark in inventory.

S6, allow delete inventory in delete corresponding mark.

In the present embodiment, allow to delete inventory by opening up, limit the randomness for deleting file, that is, ensure what is deleted File is that creation time reaches default time threshold, and the time threshold can be set according to practical application, such as, in day In terms of will record, if the daily record before 31 days is the daily record without reference to value, time threshold can be set as 31 days, even more Long.As it ensure that the file deleted is more than time threshold, therefore the effective mistake for having prevented information is deleted, raising data Safety and reliability.

Embodiment 2

On the basis of embodiment 1, the triggering method for deleting file instruction is provided in the present embodiment, it is described referring to Fig. 2 Method flow includes:

S201, reception target data storage to be written.

S202, the residual capacity for detecting storage device.

S203, judge the residual capacity whether be more than target data storage data volume, if so, then perform S204 and S205, otherwise performs S206-S208.

S204, by target data storage write storage device.

S205, etc. target data storage to be written next time to be subjected.

File instruction is deleted in S206, triggering.

S207, delete in storage device and described to allow to delete the storage in inventory corresponding to the mark of storage time earliest Data.

S208, allow delete inventory in delete the earliest mark.

Data managing method in the present embodiment, is to be not enough to storage in the residual capacity of storage device and next treat During the data capacity of the file of storage, triggering deletion instruction is instructed according to deletion, and lookup correspondence is stored in allowing to delete inventory The mark of time earliest, according to the mark, deletes the corresponding storage file of the mark in storage device, meanwhile, allowing to delete Except the mark is deleted in inventory, the method extends the erase-write cycles of SD card, referring to Fig. 7, the erasable frequency of each sector is become Uniformity is bordering on, probability and corresponding format manipulation that individual sector takes the lead in scrapping is reduced, ideally whole SD card Sector to uniformly scrapping after certain use time, improve Information Security.

Embodiment 3

On the basis of embodiment 2, a kind of file follow-up management method, referring to Fig. 3, the side are provided in the present embodiment Method flow includes:

File instruction is deleted in S301, triggering.

S302, deleted in storage device and allow to delete the data storage in inventory corresponding to earliest mark.

S303, allow delete inventory in delete the earliest mark.

S304, judge storage device current remaining capacity whether be more than target data storage capacity, if so, then performing S305 And S306, otherwise return and perform S302-S304, that is, continue to delete after an earliest file, then carry out volume space and relatively sentence It is disconnected.

S305, by target data storage write storage device.

When judged result is that storage device current remaining capacity is more than target data storage capacity, that is, represent to treat The target data storage of write-in is write in the storage device.

S306, etc. target data storage next time to be written to be received.

Complete after write-in, wait target data storage next time to be written to be received, recycle the S201- in embodiment 2 S203, judges whether that the S301 in file instruction, i.e. the present embodiment is deleted in triggering.

In another embodiment of the present invention, from not being that single is deleted unlike embodiment 2 and 3, in the present embodiment An earliest file, but often trigger and once delete instruction, then it will allow the whole mark in deletion inventory is corresponding to deposit Storage data are deleted from storage device, and empty the mark record for allowing to delete in inventory.Such benefit is, although Extension erase-write cycles in terms of be short of, still, write file when without repeat detection storage device residual capacity whether Demand is met, the write efficiency of file is substantially increased.

Embodiment 4

In one embodiment of the invention there is provided second of data managing method, referring to Fig. 4, including below scheme:

S401, the data storage to write storage device carry out mark, the mark of mark and the write time of data storage Correspond;

File instruction is deleted in S402, reception;

S403, judge that earliest mark marks whether to reach default time threshold, if so, then performing S404;

S404, delete in storage device the earliest mark mark and its corresponding data storage.

Allow to delete inventory from being not present unlike embodiment 1-3, in the present embodiment, but receiving deletion file During instruction, search the time it is earliest mark mark, judge whether it reaches default time threshold, if reaching, delete correspondence Data storage, synchronization removal its mark.

Embodiment 5

In one embodiment of the invention there is provided a kind of data administrator, referring to Fig. 5, described device include with Lower module:

Mark module, for carrying out mark to the data storage of write storage device, the mark of mark and data storage Write time corresponds;

Allow to delete checklist module, default time threshold is reached for responding the write time, corresponding mark is preserved In deletion inventory is allowed;

Instruction module, file instruction is deleted for receiving;

File removing module, for deleting the storage corresponding to the mark allowed in deletion inventory in storage device Data;

Removing module is marked, for deleting corresponding mark in deletion inventory is allowed.

Further, described device also includes:

Module to be written, the target data storage to be written for receiving;

Detection module, the residual capacity for detecting storage device;

Capacity comparison module, for judging whether the residual capacity is more than the data capacity of the target data storage, The capacity comparison module includes write-in receiving unit and instruction sending unit again, and receiving unit is used for target said write again Data storage write storage device, and wait target data storage next time to be written to be received;The instruction sending unit is used In sending deletion file instruction.

Further, described device also includes:

Second capacity comparison module, for judging whether storage device current remaining capacity is more than the target data storage Data capacity, the second capacity comparison module includes the second write-in and receiving unit and deletes unit again again, and described second writes Entering again receiving unit is used for target data storage write storage device, and waits target storage number next time to be written to be received According to;The unit of deleting again is used to delete the data storage corresponding to the mark allowed in deletion inventory again.

It should be noted that:Above-described embodiment provide data administrator carry out storage data management when, only more than The division progress of each functional module is stated for example, in practical application, as needed can distribute above-mentioned functions by difference Functional module complete, i.e., the internal structure of data administrator is divided into different functional modules, to complete above description All or part of function.In addition, what the data administrator embodiment that the present embodiment is provided was provided with above-described embodiment 1-3 Data managing method belongs to same design, and it implements process and refers to embodiment of the method, repeats no more here.

Embodiment 6

Another further aspect, the invention provides a kind of data administrator, including:

Second mark module, mark, mark and the storage number of mark are carried out for the data storage to write storage device According to write time correspond;

Second instruction module, file instruction is deleted for receiving;

Judge module, the mark for judging earliest marks whether to reach default time threshold;

Removing module, for deleting the earliest mark mark and its corresponding data storage in storage device.

It should be noted that:Above-described embodiment provide data administrator carry out storage data management when, only more than The division progress of each functional module is stated for example, in practical application, as needed can distribute above-mentioned functions by difference Functional module complete, i.e., the internal structure of data administrator is divided into different functional modules, to complete above description All or part of function.In addition, the number that the data administrator embodiment that the present embodiment is provided is provided with above-described embodiment 4 Belong to same design according to management method, it implements process and refers to embodiment of the method, repeats no more here.

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (10)

1. a kind of data managing method, it is characterised in that including:
Data storage to write storage device carries out mark, and the mark of mark and the write time of data storage correspond;
Default time threshold is reached in response to the write time, corresponding mark, which is stored in, to be allowed to delete in inventory;
Receive and delete file instruction;
The data storage corresponding to the mark allowed in deletion inventory is deleted in storage device;
Corresponding mark is deleted in deletion inventory is allowed.
2. according to the method described in claim 1, it is characterised in that the deletion mark institute for allowing to delete in inventory is right The data storage answered includes:Lookup allows to delete the mark of storage time earliest in inventory, and corresponding deposit is deleted according to the mark Store up data.
3. according to the method described in claim 1, it is characterised in that the reception also includes before deleting file instruction:
Receive target data storage to be written;
Detect the residual capacity of storage device;
Judge whether the residual capacity is more than the data capacity of the target data storage, if so, then by target data storage Write storage device, and wait target data storage next time to be written to be received;
If it is not, then sending deletion file instruction.
4. method according to claim 3, it is characterised in that the deletion mark institute for allowing to delete in inventory is right Also include after the data storage answered:
Judge whether storage device current remaining capacity is more than the data capacity of the target data storage, if so, then by target Data storage write storage device, and wait target data storage next time to be written to be received;
If it is not, then deleting the data storage corresponding to the mark allowed in deletion inventory again.
5. according to the method described in claim 1, it is characterised in that the deletion mark institute for allowing to delete in inventory is right The data storage answered includes:Deleting corresponding data storage allows to delete the data storage corresponding to whole marks in inventory.
6. a kind of data managing method, it is characterised in that including:
Data storage to write storage device carries out mark, and the mark of mark and the write time of data storage correspond;
Receive and delete file instruction;
Judge that earliest mark marks whether to reach default time threshold, if so, then deleting described earliest in storage device Mark mark and its corresponding data storage.
7. a kind of data administrator, it is characterised in that including:
Mark module, mark, the mark of mark and the write-in of data storage are carried out for the data storage to write storage device Time corresponds;
Allow to delete checklist module, default time threshold is reached for responding the write time, corresponding mark is stored in fair Perhaps delete in inventory;
Instruction module, file instruction is deleted for receiving;
File removing module, for deleting the storage number corresponding to the mark allowed in deletion inventory in storage device According to;
Removing module is marked, for deleting corresponding mark in deletion inventory is allowed.
8. device according to claim 7, it is characterised in that described device also includes:
Module to be written, the target data storage to be written for receiving;
Detection module, the residual capacity for detecting storage device;
Capacity comparison module, it is described for judging whether the residual capacity is more than the data capacity of the target data storage Capacity comparison module includes write-in receiving unit and instruction sending unit again, and receiving unit is used to store target said write again Data write storage device, and wait target data storage next time to be written to be received;The instruction sending unit is used to send out Go out to delete file instruction.
9. device according to claim 8, it is characterised in that described device also includes:
Second capacity comparison module, for judging whether storage device current remaining capacity is more than the number of the target data storage According to capacity, the second capacity comparison module includes second and writes receiving unit again and delete unit again, and second write-in is again Receiving unit is used for target data storage write storage device, and waits target data storage next time to be written to be received; The unit of deleting again is used to delete the data storage corresponding to the mark allowed in deletion inventory again.
10. a kind of data administrator, it is characterised in that including:
Second mark module, for carrying out mark to the data storage of write storage device, the mark of mark and data storage Write time corresponds;
Second instruction module, file instruction is deleted for receiving;
Judge module, the mark for judging earliest marks whether to reach default time threshold;
Removing module, for deleting the earliest mark mark and its corresponding data storage in storage device.
CN201710478856.3A 2017-06-22 2017-06-22 Data managing method and managing device CN107301020A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

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Citations (5)

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US20030220949A1 (en) * 2002-01-22 2003-11-27 Columbia Data Products, Inc. Automatic deletion in data storage management
CN2762238Y (en) * 2004-12-27 2006-03-01 安徽广成科技有限责任公司 Vehicle driving video recorder
CN101651795A (en) * 2009-09-03 2010-02-17 北京中创科风科技有限公司 Method and device for receiving, storing and playing media files transmitted by digital satellite
CN105095107A (en) * 2014-05-04 2015-11-25 腾讯科技(深圳)有限公司 Buffer memory data cleaning method and apparatus
CN106453794A (en) * 2016-08-29 2017-02-22 珠海格力电器股份有限公司 Call log processing method and device, and call recording method and system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030220949A1 (en) * 2002-01-22 2003-11-27 Columbia Data Products, Inc. Automatic deletion in data storage management
CN2762238Y (en) * 2004-12-27 2006-03-01 安徽广成科技有限责任公司 Vehicle driving video recorder
CN101651795A (en) * 2009-09-03 2010-02-17 北京中创科风科技有限公司 Method and device for receiving, storing and playing media files transmitted by digital satellite
CN105095107A (en) * 2014-05-04 2015-11-25 腾讯科技(深圳)有限公司 Buffer memory data cleaning method and apparatus
CN106453794A (en) * 2016-08-29 2017-02-22 珠海格力电器股份有限公司 Call log processing method and device, and call recording method and system

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