CN105677257A - Data storage method and electronic equipment - Google Patents
Data storage method and electronic equipment Download PDFInfo
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- CN105677257A CN105677257A CN201610080081.XA CN201610080081A CN105677257A CN 105677257 A CN105677257 A CN 105677257A CN 201610080081 A CN201610080081 A CN 201610080081A CN 105677257 A CN105677257 A CN 105677257A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/0811—Multiuser, multiprocessor or multiprocessing cache systems with multilevel cache hierarchies
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0644—Management of space entities, e.g. partitions, extents, pools
Abstract
The invention discloses a data storage method and electronic equipment. The electronic equipment is provided with a storage medium; the storage medium at least comprises a first type of storage area and a second type of storage area. The method comprises the following steps: obtaining target data, and judging the type of the target data; aiming at the first type of target data, distributing a first storage area for the first type of target data; aiming at the second type of target data, distributing a second storage area for the second type of target data; performing reading/writing operation on the first type of target data in the first storage area; performing reading/writing operation on the second type of target data in the second storage area; wherein the storage performance index of the first storage area is higher than that of the second storage area.
Description
Technical field
The present invention relates to data storage technology, particularly relate to a kind of date storage method and electronic equipment.
Background technology
The hard disk that solid state hard disc (SSD, SolidStateDrives) is made up of solid-state electronic storage chip array, is made up of control unit and memory element. Fast flash memory bank (NANDflash) is a kind of relatively conventional memory element. For NANDflash, its memory element is divided into three major types, respectively single layer cell (SLC, Single-LevelCell), multilevel-cell (MLC, and three-layer unit (TLC, Trinary-LevelCell) Multi-LevelCell). Wherein, each unit of SLC is 1 bit (bit), and read or write speed is fast, writes life-span length (being about 100,000 times), but price is also expensive. Each unit of MLC is 2bit, and read or write speed is moderate, writes the life-span general (being about 10,000 times), and price is also moderate. Each unit of TLC is 3bit, and read or write speed is slow, writes the life-span short (being about 1,000 times), and price is inexpensively. Based on this, how the different types of memory element of Appropriate application is while ensureing readwrite performance, reduces manufacturing cost, is have problem to be solved.
Summary of the invention
For solving above-mentioned technical problem, embodiments provide a kind of date storage method and electronic equipment.
The date storage method that the embodiment of the present invention provides, is applied to electronic equipment, and described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described method includes:
Obtain target data, the type of described target data is judged;
For the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
The target data of the described first kind is carried out read/write operation by described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
In the embodiment of the present invention, described acquisition target data, the type of described target data is judged, including:
When the target data of input being detected, the attribute information of described target data is resolved;
According to analysis result, it is judged that the type of described target data is the described first kind or described Second Type.
In the embodiment of the present invention, the described target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area, including:
For the target data of the first kind, address mapping table arranges for the target data of the described first kind the first logical address of correspondence;
For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence;
Described first logical address characterizes described first memory area, and described second logical address characterizes described second memory area.
In the embodiment of the present invention, described on described first memory area, the target data of the described first kind is carried out write operation; The target data of described Second Type is carried out write operation by described second memory area, including:
The target data of the described first kind is write described first memory area that described first logical address characterizes; And the first physical address of described first memory area is stored to described address mapping table, to set up described first logical address and the mapping relations of described first physical address in described address mapping table;
The target data of described Second Type is write described second memory area that described second logical address type characterizes; And the second physical address of described second memory area is stored to described address mapping table, to set up described second logical address and the mapping relations of described second physical address in described address mapping table.
In the embodiment of the present invention, described on described first memory area, the target data of the described first kind is carried out read operation; The target data of described Second Type is carried out read operation by described second memory area, including:
According to described address mapping table, search first physical address corresponding with the first logical address of the target data of the described first kind; The target data of the described first kind is read from described first physical address;
According to described address mapping table, search second physical address corresponding with the second logical address of the target data of described Second Type; The target data of described Second Type is read from described second physical address.
The electronic equipment that the embodiment of the present invention provides, has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Judging unit, is used for obtaining target data, and the type of described target data is judged;
Allocation units, for the target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
Operating unit, for carrying out read/write operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
In the embodiment of the present invention, described judging unit includes:
Resolve subelement, when being used for target data input being detected, the attribute information of described target data is resolved;
Judgment sub-unit, for according to analysis result, it is judged that the type of described target data is the described first kind or described Second Type.
In the embodiment of the present invention, described allocation units, it is additionally operable to the target data for the first kind, address mapping table arranges for the target data of the described first kind the first logical address of correspondence; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence; Described first logical address characterizes described first memory area, and described second logical address characterizes described second memory area.
In the embodiment of the present invention, described operating unit includes:
Write operation subelement, for writing described first memory area that described first logical address characterizes by the target data of the described first kind; And the first physical address of described first memory area is stored to described address mapping table, to set up described first logical address and the mapping relations of described first physical address in described address mapping table; The target data of described Second Type is write described second memory area that described second logical address type characterizes; And the second physical address of described second memory area is stored to described address mapping table, to set up described second logical address and the mapping relations of described second physical address in described address mapping table.
In the embodiment of the present invention, described operating unit also includes:
Read operation subelement, for according to described address mapping table, searching first physical address corresponding with the first logical address of the target data of the described first kind; The target data of the described first kind is read from described first physical address; According to described address mapping table, search second physical address corresponding with the second logical address of the target data of described Second Type; The target data of described Second Type is read from described second physical address.
The electronic equipment that another embodiment of the present invention provides, has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Controller, is used for obtaining target data, and the type of described target data is judged; For the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area; The target data of the described first kind is carried out read/write operation by described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
In the technical scheme of the embodiment of the present invention, electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Here, the memory property index of first kind memory area is higher than the memory property index of Equations of The Second Kind memory area. Memory property index refers to writing rate, writes the life-span. For the target data obtained, the type of described target data is judged; For the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area. Visible, the embodiment of the present invention combines the type of target data, and polytype memory area adapts to distribute to the target data of corresponding types; In storage medium, mixing employs different types of memory area effectively, while ensureing memory property, reduces the manufacturing cost of storage medium.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the date storage method of the embodiment of the present invention one;
Fig. 2 is the schematic flow sheet of the date storage method of the embodiment of the present invention two;
Fig. 3 is the schematic flow sheet of the date storage method of the embodiment of the present invention three;
Fig. 4 is the schematic flow sheet of the date storage method of the embodiment of the present invention four;
Fig. 5 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention five;
Fig. 6 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention six;
Fig. 7 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention seven;
Fig. 8 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention eight.
Detailed description of the invention
In order to more fully hereinafter understand feature and the technology contents of the embodiment of the present invention, below in conjunction with accompanying drawing, the realization of the embodiment of the present invention is described in detail, appended accompanying drawing purposes of discussion only for reference, is not used for limiting the embodiment of the present invention.
Fig. 1 is the schematic flow sheet of the date storage method of the embodiment of the present invention one, date storage method in this example is applied to electronic equipment, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; As it is shown in figure 1, described date storage method comprises the following steps:
Step 101: obtain target data, the type of described target data is judged.
In the embodiment of the present invention, described electronic equipment can be notebook, main frame, all-in-one, server etc. Described electronic equipment includes storage medium and controller, and storage medium is for storing the data of electronic equipment, instruction etc., and controller is used for controlling electronic equipment read/write data in storage medium, and/or performs instruction in storage medium etc. Generally, storage medium and controller are integrally disposed, are formed and have the memorizer controlling function, such as SSD.
In the embodiment of the present invention, described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; The memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
Being generally NANDflash for the storage medium in SSD, SSD, for NANDflash, its storage medium is divided into three major types, respectively SLC, MLC and TLC. Wherein, each unit of SLC is 1 bit (bit), and read or write speed is fast, writes life-span length (being about 100,000 times), but price is also expensive. Each unit of MLC is 2bit, and read or write speed is moderate, writes the life-span general (being about 10,000 times), and price is also moderate. Each unit of TLC is 3bit, and read or write speed is slow, writes the life-span short (being about 1,000 times), and price is inexpensively. Visible, the difference of different types of memory area is mainly concentrated writing rate and writes on the life-span, general difference more than 10 times. The reading rate difference of different types of memory area is less, generally differs 2～4 times.
In the embodiment of the present invention, target data can be the arbitrary data in electronic equipment, for instance system file, application file, picture, video, document etc. After obtaining target data, the type of target data is judged. Here, the type of target data is carried out judgement to refer to: judge whether target data is the data that the erasable frequency is higher, when the erasable frequency of target data is higher, for instance during higher than predetermined threshold value, then target data is the target data of the first kind; When the erasable frequency of target data is relatively low, for instance during lower than predetermined threshold value, then target data is the target data of Second Type.
For Windows operating system, operating system (OS, OperatingSystem) file major part is executable file and dynamic link library (including inside inside OS and application program), OS file is after creation, seldom it is modified, namely the erasable frequency of OS file is relatively low, belongs to the target data of Second Type. Except OS file, some product also has a special subregion, preserve system of dispatching from the factory and image file is installed, for the C dish of user is returned to factory state; The file of this subregion, after dispatching from the factory, does not have any amendment, and therefore, the file of this subregion belongs to the target data of Second Type. Additionally, the document content that user is created, it is necessary to often modifying, this partial content belongs to the target data of the first kind.
Step 102: for the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area.
In the embodiment of the present invention, the erasable frequency of target data of the first kind is higher, accordingly, it would be desirable to be the target data distribution higher memory area of memory property index of the first kind, i.e. and first kind memory area. So, user can realize, in first kind memory area, target data is carried out erasable operation rapidly, the reasonable employment readwrite performance of first kind memory area. The erasable frequency of target data of Second Type is relatively low, accordingly, it would be desirable to be the target data distribution relatively low memory area of memory property index of Second Type, i.e. and Equations of The Second Kind memory area. Target data is seldom carried out erasable operation by user in first kind memory area, but do not affect again user in first kind memory area, target data to be read, because the degree performance of different types of memory area is more or less the same, as such, it is possible to reduce manufacturing cost.
For NANDflash, in TLC, the file that preferential preservation OS file, the mirror image etc. that dispatches from the factory seldom can be modified; In SLC/MLC, the file that preferential preservation document files etc. is often modified. Specifically, in the AT order of SSD, increase the setting command to flash type priority. Before electronic equipment preloads (preload) OS, configuration flash type is TLC, and so, the flash that OS and system recovery picture (image) use is just based on TLC; After preloadOS completes, resetting flash type is SLC/MLC. By above-mentioned flow process, it is possible to mixing uses polytype flash effectively in SSD, while ensureing performance, reduce the manufacturing cost of SSD.
Step 103: on described first memory area, the target data of the described first kind is carried out read/write operation; The target data of described Second Type is carried out read/write operation by described second memory area.
In the embodiment of the present invention, the write performance of the first memory area is higher, therefore, on described first memory area, the target data of the described first kind is carried out read/write operation; The write performance of the second memory area is relatively low, therefore, on described second memory area, the target data of described Second Type is carried out read/write operation.
For NANDflash, for the file of very few modifications, preferential service life, short TLC stored, it is ensured that will not quickly reach its life-span upper limit; For the file often revised, the SLC/MLC of preferential long service life stores, without quickly reaching reaching the standard grade of service life; So, ensureing SSD access speed and while the life-span, its manufacturing cost is reduced.
Embodiment of the present invention mixing adopts different types of memory area in storage medium, under the premise ensureing readwrite performance, reduces manufacturing cost.
Fig. 2 is the schematic flow sheet of the date storage method of the embodiment of the present invention two, date storage method in this example is applied to electronic equipment, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; As in figure 2 it is shown, described date storage method comprises the following steps:
Step 201: when the target data of input being detected, resolves the attribute information of described target data; According to analysis result, it is judged that the type of described target data is the described first kind or described Second Type.
In the embodiment of the present invention, described electronic equipment can be notebook, main frame, all-in-one, server etc. Described electronic equipment includes storage medium and controller, and storage medium is for storing the data of electronic equipment, instruction etc., and controller is used for controlling electronic equipment read/write data in storage medium, and/or performs instruction in storage medium etc. Generally, storage medium and controller are integrally disposed, are formed and have the memorizer controlling function, such as SSD.
In the embodiment of the present invention, described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; The memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
Being generally NANDflash for the storage medium in SSD, SSD, for NANDflash, its storage medium is divided into three major types, respectively SLC, MLC and TLC. Wherein, each unit of SLC is 1 bit (bit), and read or write speed is fast, writes life-span length (being about 200,000 times), but price is also expensive. Each unit of MLC is 2bit, and read or write speed is moderate, writes the life-span general (being about 10,000 times), and price is also moderate. Each unit of TLC is 3bit, and read or write speed is slow, writes the life-span short (being about 1,000 times), and price is inexpensively. Visible, the difference of different types of memory area is mainly concentrated writing rate and writes on the life-span, general difference more than 20 times. The reading rate difference of different types of memory area is less, generally differs 2～4 times.
In the embodiment of the present invention, target data can be the arbitrary data in electronic equipment, for instance system file, application file, picture, video, document etc. After obtaining target data, the type of target data is judged.
In the embodiment of the present invention, the attribute information of described target data is carried out parsing refer to: mated with preset attribute information by the attribute information of target data, here, preset attribute information is a community set pre-set, when the attribute information of target data is any one in this community set, then target data is the target data of the first kind, otherwise, for the target data of Second Type. Here, the erasable frequency of the target data of the first kind is higher, for instance higher than predetermined threshold value; The erasable frequency of target data of Second Type is relatively low, for instance lower than predetermined threshold value.
For Windows operating system, operating system (OS, OperatingSystem) file major part is executable file and dynamic link library (including inside inside OS and application program), OS file is after creation, seldom it is modified, namely the erasable frequency of OS file is relatively low, belongs to the target data of Second Type. Except OS file, some product also has a special subregion, preserve system of dispatching from the factory and image file is installed, for the C dish of user is returned to factory state; The file of this subregion, after dispatching from the factory, does not have any amendment, and therefore, the file of this subregion belongs to the target data of Second Type. Additionally, the document content that user is created, it is necessary to often modifying, this partial content belongs to the target data of the first kind. Based on this, the attribute information of described target data being resolved, when the attribute characterization target data parsing target data is OS file or image file, then target data is the target data of the first kind, otherwise, for the target data of Second Type.
Step 202: for the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area.
In the embodiment of the present invention, the erasable frequency of target data of the first kind is higher, accordingly, it would be desirable to be the target data distribution higher memory area of memory property index of the first kind, i.e. and first kind memory area. So, user can realize, in first kind memory area, target data is carried out erasable operation rapidly, the reasonable employment readwrite performance of first kind memory area. The erasable frequency of target data of Second Type is relatively low, accordingly, it would be desirable to be the target data distribution relatively low memory area of memory property index of Second Type, i.e. and Equations of The Second Kind memory area. Target data is seldom carried out erasable operation by user in first kind memory area, but do not affect again user in first kind memory area, target data to be read, because the degree performance of different types of memory area is more or less the same, as such, it is possible to reduce manufacturing cost.
For NANDflash, in TLC, the file that preferential preservation OS file, the mirror image etc. that dispatches from the factory seldom can be modified; In SLC/MLC, the file that preferential preservation document files etc. is often modified. Specifically, in the AT order of SSD, increase the setting command to flash type priority. Before electronic equipment preloads (preload) OS, configuration flash type is TLC, and so, the flash that OS and system recovery picture (image) use is just based on TLC; After preloadOS completes, resetting flash type is SLC/MLC. By above-mentioned flow process, it is possible to mixing uses polytype flash effectively in SSD, while ensureing performance, reduce the manufacturing cost of SSD.
Step 203: on described first memory area, the target data of the described first kind is carried out read/write operation; The target data of described Second Type is carried out read/write operation by described second memory area.
In the embodiment of the present invention, the write performance of the first memory area is higher, therefore, on described first memory area, the target data of the described first kind is carried out read/write operation; The write performance of the second memory area is relatively low, therefore, on described second memory area, the target data of described Second Type is carried out read/write operation.
For NANDflash, for the file of very few modifications, preferential service life, short TLC stored, it is ensured that will not quickly reach its life-span upper limit; For the file often revised, the SLC/MLC of preferential long service life stores, without quickly reaching reaching the standard grade of service life; So, ensureing SSD access speed and while the life-span, its manufacturing cost is reduced.
Embodiment of the present invention mixing adopts different types of memory area in storage medium, under the premise ensureing readwrite performance, reduces manufacturing cost.
Fig. 3 is the schematic flow sheet of the date storage method of the embodiment of the present invention three, date storage method in this example is applied to electronic equipment, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; As it is shown on figure 3, described date storage method comprises the following steps:
Step 301: obtain target data, the type of described target data is judged.
In the embodiment of the present invention, described electronic equipment can be notebook, main frame, all-in-one, server etc. Described electronic equipment includes storage medium and controller, and storage medium is for storing the data of electronic equipment, instruction etc., and controller is used for controlling electronic equipment read/write data in storage medium, and/or performs instruction in storage medium etc. Generally, storage medium and controller are integrally disposed, are formed and have the memorizer controlling function, such as SSD.
In the embodiment of the present invention, described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; The memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
Being generally NANDflash for the storage medium in SSD, SSD, for NANDflash, its storage medium is divided into three major types, respectively SLC, MLC and TLC. Wherein, each unit of SLC is 1 bit (bit), and read or write speed is fast, writes life-span length (being about 300,000 times), but price is also expensive. Each unit of MLC is 2bit, and read or write speed is moderate, writes the life-span general (being about 10,000 times), and price is also moderate. Each unit of TLC is 3bit, and read or write speed is slow, writes the life-span short (being about 1,000 times), and price is inexpensively. Visible, the difference of different types of memory area is mainly concentrated writing rate and writes on the life-span, general difference more than 30 times. The reading rate difference of different types of memory area is less, generally differs 2～4 times.
In the embodiment of the present invention, target data can be the arbitrary data in electronic equipment, for instance system file, application file, picture, video, document etc. After obtaining target data, the type of target data is judged. Here, the type of target data is carried out judgement to refer to: judge whether target data is the data that the erasable frequency is higher, when the erasable frequency of target data is higher, for instance during higher than predetermined threshold value, then target data is the target data of the first kind; When the erasable frequency of target data is relatively low, for instance during lower than predetermined threshold value, then target data is the target data of Second Type.
For Windows operating system, operating system (OS, OperatingSystem) file major part is executable file and dynamic link library (including inside inside OS and application program), OS file is after creation, seldom it is modified, namely the erasable frequency of OS file is relatively low, belongs to the target data of Second Type. Except OS file, some product also has a special subregion, preserve system of dispatching from the factory and image file is installed, for the C dish of user is returned to factory state; The file of this subregion, after dispatching from the factory, does not have any amendment, and therefore, the file of this subregion belongs to the target data of Second Type. Additionally, the document content that user is created, it is necessary to often modifying, this partial content belongs to the target data of the first kind.
Step 302: for the target data of the first kind, the first logical address of correspondence is set for the target data of the described first kind in address mapping table; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence; Described first logical address characterizes the first memory area, and described second logical address characterizes described second memory area.
In the embodiment of the present invention, the erasable frequency of target data of the first kind is higher, accordingly, it would be desirable to be the target data distribution higher memory area of memory property index of the first kind, i.e. and first kind memory area. So, user can realize, in first kind memory area, target data is carried out erasable operation rapidly, the reasonable employment readwrite performance of first kind memory area. The erasable frequency of target data of Second Type is relatively low, accordingly, it would be desirable to be the target data distribution relatively low memory area of memory property index of Second Type, i.e. and Equations of The Second Kind memory area. Target data is seldom carried out erasable operation by user in first kind memory area, but do not affect again user in first kind memory area, target data to be read, because the degree performance of different types of memory area is more or less the same, as such, it is possible to reduce manufacturing cost.
For NANDflash, in TLC, the file that preferential preservation OS file, the mirror image etc. that dispatches from the factory seldom can be modified; In SLC/MLC, the file that preferential preservation document files etc. is often modified. Specifically, in the AT order of SSD, increase the setting command to flash type priority. Before electronic equipment preloads (preload) OS, configuration flash type is TLC, and so, the flash that OS and system recovery picture (image) use is just based on TLC; After preloadOS completes, resetting flash type is SLC/MLC. By above-mentioned flow process, it is possible to mixing uses polytype flash effectively in SSD, while ensureing performance, reduce the manufacturing cost of SSD.
In the embodiment of the present invention, by flash translation layer (FTL) (FTL, FlashTranslationLayer) the operation that the operation of flash memory is invented the independent sector to disk. FTL is present between file system and physical medium (flash memory), logical block addresses (LBA, LogicalBlockAddress) to all conversion work of physical block address (PBA, PhysicalBlockAddress), it is responsible for FTL. LBA is converted to PBA by FTL, is exactly the mapping of a kind of LBA to PBA in fact. When file system transmission instruction to write or to update a specific logical page (LPAGE), FTL is actually and writes data into a different free physical page and update mapping table (associated data of LBA and PBA), and " legacy data " that comprise on this page is labeled as engineering noise (data after renewal have been written into new PBA, and the data of old address just fail naturally). Exactly because the existence of FTL, operating system could operate SSD as HDD like that.
Based on this, FTL, for the target data of the first kind, arranges the first logical address of correspondence in address mapping table for the target data of the described first kind; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence. In this manner it is possible to the target data of the first kind is distributed at the first memory area, the target data of Second Type is distributed at the second memory area.
Step 303: on described first memory area, the target data of the described first kind is carried out read/write operation; The target data of described Second Type is carried out read/write operation by described second memory area.
In the embodiment of the present invention, the write performance of the first memory area is higher, therefore, on described first memory area, the target data of the described first kind is carried out read/write operation; The write performance of the second memory area is relatively low, therefore, on described second memory area, the target data of described Second Type is carried out read/write operation.
For NANDflash, for the file of very few modifications, preferential service life, short TLC stored, it is ensured that will not quickly reach its life-span upper limit; For the file often revised, the SLC/MLC of preferential long service life stores, without quickly reaching reaching the standard grade of service life; So, ensureing SSD access speed and while the life-span, its manufacturing cost is reduced.
Embodiment of the present invention mixing adopts different types of memory area in storage medium, under the premise ensureing readwrite performance, reduces manufacturing cost.
Fig. 4 is the schematic flow sheet of the date storage method of the embodiment of the present invention four, date storage method in this example is applied to electronic equipment, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; As shown in Figure 4, described date storage method comprises the following steps:
Step 401: obtain target data, the type of described target data is judged.
In the embodiment of the present invention, described electronic equipment can be notebook, main frame, all-in-one, server etc. Described electronic equipment includes storage medium and controller, and storage medium is for storing the data of electronic equipment, instruction etc., and controller is used for controlling electronic equipment read/write data in storage medium, and/or performs instruction in storage medium etc. Generally, storage medium and controller are integrally disposed, are formed and have the memorizer controlling function, such as SSD.
In the embodiment of the present invention, described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; The memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
Being generally NANDflash for the storage medium in SSD, SSD, for NANDflash, its storage medium is divided into three major types, respectively SLC, MLC and TLC. Wherein, each unit of SLC is 1 bit (bit), and read or write speed is fast, writes life-span length (being about 400,000 times), but price is also expensive. Each unit of MLC is 2bit, and read or write speed is moderate, writes the life-span general (being about 10,000 times), and price is also moderate. Each unit of TLC is 3bit, and read or write speed is slow, writes the life-span short (being about 1,000 times), and price is inexpensively. Visible, the difference of different types of memory area is mainly concentrated writing rate and writes on the life-span, general difference more than 40 times. The reading rate difference of different types of memory area is less, generally differs 2～4 times.
In the embodiment of the present invention, target data can be the arbitrary data in electronic equipment, for instance system file, application file, picture, video, document etc. After obtaining target data, the type of target data is judged. Here, the type of target data is carried out judgement to refer to: judge whether target data is the data that the erasable frequency is higher, when the erasable frequency of target data is higher, for instance during higher than predetermined threshold value, then target data is the target data of the first kind; When the erasable frequency of target data is relatively low, for instance during lower than predetermined threshold value, then target data is the target data of Second Type.
For Windows operating system, operating system (OS, OperatingSystem) file major part is executable file and dynamic link library (including inside inside OS and application program), OS file is after creation, seldom it is modified, namely the erasable frequency of OS file is relatively low, belongs to the target data of Second Type. Except OS file, some product also has a special subregion, preserve system of dispatching from the factory and image file is installed, for the C dish of user is returned to factory state; The file of this subregion, after dispatching from the factory, does not have any amendment, and therefore, the file of this subregion belongs to the target data of Second Type. Additionally, the document content that user is created, it is necessary to often modifying, this partial content belongs to the target data of the first kind.
Step 402: for the target data of the first kind, the first logical address of correspondence is set for the target data of the described first kind in address mapping table; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence; Described first logical address characterizes the first memory area, and described second logical address characterizes described second memory area.
In the embodiment of the present invention, the erasable frequency of target data of the first kind is higher, accordingly, it would be desirable to be the target data distribution higher memory area of memory property index of the first kind, i.e. and first kind memory area. So, user can realize, in first kind memory area, target data is carried out erasable operation rapidly, the reasonable employment readwrite performance of first kind memory area. The erasable frequency of target data of Second Type is relatively low, accordingly, it would be desirable to be the target data distribution relatively low memory area of memory property index of Second Type, i.e. and Equations of The Second Kind memory area. Target data is seldom carried out erasable operation by user in first kind memory area, but do not affect again user in first kind memory area, target data to be read, because the degree performance of different types of memory area is more or less the same, as such, it is possible to reduce manufacturing cost.
For NANDflash, in TLC, the file that preferential preservation OS file, the mirror image etc. that dispatches from the factory seldom can be modified; In SLC/MLC, the file that preferential preservation document files etc. is often modified. Specifically, in the AT order of SSD, increase the setting command to flash type priority. Before electronic equipment preloads (preload) OS, configuration flash type is TLC, and so, the flash that OS and system recovery picture (image) use is just based on TLC; After preloadOS completes, resetting flash type is SLC/MLC. By above-mentioned flow process, it is possible to mixing uses polytype flash effectively in SSD, while ensureing performance, reduce the manufacturing cost of SSD.
In the embodiment of the present invention, by flash translation layer (FTL) (FTL, FlashTranslationLayer) the operation that the operation of flash memory is invented the independent sector to disk. FTL is present between file system and physical medium (flash memory), logical block addresses (LBA, LogicalBlockAddress) to all conversion work of physical block address (PBA, PhysicalBlockAddress), it is responsible for FTL. LBA is converted to PBA by FTL, is exactly the mapping of a kind of LBA to PBA in fact. When file system transmission instruction to write or to update a specific logical page (LPAGE), FTL is actually and writes data into a different free physical page and update mapping table (associated data of LBA and PBA), and " legacy data " that comprise on this page is labeled as engineering noise (data after renewal have been written into new PBA, and the data of old address just fail naturally). Exactly because the existence of FTL, operating system could operate SSD as HDD like that.
Based on this, FTL, for the target data of the first kind, arranges the first logical address of correspondence in address mapping table for the target data of the described first kind; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence. In this manner it is possible to the target data of the first kind is distributed at the first memory area, the target data of Second Type is distributed at the second memory area.
Step 403: the target data of the described first kind is write described first memory area that described first logical address characterizes; And the first physical address of described first memory area is stored to described address mapping table, to set up described first logical address and the mapping relations of described first physical address in described address mapping table; The target data of described Second Type is write described second memory area that described second logical address type characterizes; And the second physical address of described second memory area is stored to described address mapping table, to set up described second logical address and the mapping relations of described second physical address in described address mapping table.
Below the write operation of target data is described in detail: when receiving the data writing instructions for the first logical address, target data is write in the first idle physical address, and the mapping relations of described first logical address Yu described first physical address are stored to address mapping table. When receiving the data writing instructions for the second logical address, target data is write in the second idle physical address, and the mapping relations of described second logical address Yu described second physical address are stored to address mapping table.
Here, described first logical address and the first physical address are all referring to the first memory area. Second logical address and the second physical address are all referring to the second memory area.
Step 404: according to described address mapping table, search first physical address corresponding with the first logical address of the target data of the described first kind; The target data of the described first kind is read from described first physical address; According to described address mapping table, search second physical address corresponding with the second logical address of the target data of described Second Type; The target data of described Second Type is read from described second physical address.
Below the write operation of target data is described in detail: when receiving the data reading instructions for the first logical address, searches first physical address corresponding with described first logical address according to described mapping table; Data are read from described first physical address. When receiving the data reading instructions for the second logical address, search second physical address corresponding with described second logical address according to described mapping table; Data are read from described second physical address.
Here, described first logical address and the first physical address are all referring to the first memory area. Second logical address and the second physical address are all referring to the second memory area.
In the embodiment of the present invention, the write performance of the first memory area is higher, therefore, on described first memory area, the target data of the described first kind is carried out read/write operation; The write performance of the second memory area is relatively low, therefore, on described second memory area, the target data of described Second Type is carried out read/write operation.
For NANDflash, for the file of very few modifications, preferential service life, short TLC stored, it is ensured that will not quickly reach its life-span upper limit; For the file often revised, the SLC/MLC of preferential long service life stores, without quickly reaching reaching the standard grade of service life; So, ensureing SSD access speed and while the life-span, its manufacturing cost is reduced.
Embodiment of the present invention mixing adopts different types of memory area in storage medium, under the premise ensureing readwrite performance, reduces manufacturing cost.
Fig. 5 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention five, as it is shown in figure 5, described electronic equipment has storage medium, described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Judging unit 51, is used for obtaining target data, and the type of described target data is judged;
Allocation units 52, for the target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
Operating unit 53, for carrying out read/write operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
It will be appreciated by those skilled in the art that the function that realizes of each unit in the electronic equipment shown in Fig. 5 can refer to the associated description of aforementioned data storage method and understands. The function of each unit in the electronic equipment shown in Fig. 5 can be realized by the program that runs on processor, it is possible to is realized by concrete logic circuit.
Fig. 6 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention six, and as shown in Figure 6, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Judging unit 61, is used for obtaining target data, and the type of described target data is judged;
Allocation units 62, for the target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
Operating unit 63, for carrying out read/write operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
Described judging unit 61 includes:
Resolve subelement 611, when being used for target data input being detected, the attribute information of described target data is resolved;
Judgment sub-unit 612, for according to analysis result, it is judged that the type of described target data is the described first kind or described Second Type.
It will be appreciated by those skilled in the art that the function that realizes of each unit in the electronic equipment shown in Fig. 6 can refer to the associated description of aforementioned data storage method and understands. The function of each unit in the electronic equipment shown in Fig. 6 can be realized by the program that runs on processor, it is possible to is realized by concrete logic circuit.
Fig. 7 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention seven, as it is shown in fig. 7, described electronic equipment has storage medium, described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Judging unit 71, is used for obtaining target data, and the type of described target data is judged;
Allocation units 72, for the target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
Operating unit 73, for carrying out read/write operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
Described allocation units 72, are additionally operable to the target data for the first kind, arrange the first logical address of correspondence in address mapping table for the target data of the described first kind; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence; Described first logical address characterizes described first memory area, and described second logical address characterizes described second memory area.
Described operating unit 73 includes:
Write operation subelement 731, for writing described first memory area that described first logical address characterizes by the target data of the described first kind; And the first physical address of described first memory area is stored to described address mapping table, to set up described first logical address and the mapping relations of described first physical address in described address mapping table; The target data of described Second Type is write described second memory area that described second logical address type characterizes; And the second physical address of described second memory area is stored to described address mapping table, to set up described second logical address and the mapping relations of described second physical address in described address mapping table.
Described operating unit 73 also includes:
Read operation subelement 732, for according to described address mapping table, searching first physical address corresponding with the first logical address of the target data of the described first kind; The target data of the described first kind is read from described first physical address; According to described address mapping table, search second physical address corresponding with the second logical address of the target data of described Second Type; The target data of described Second Type is read from described second physical address.
It will be appreciated by those skilled in the art that the function that realizes of each unit in the electronic equipment shown in Fig. 7 can refer to the associated description of aforementioned data storage method and understands. The function of each unit in the electronic equipment shown in Fig. 7 can be realized by the program that runs on processor, it is possible to is realized by concrete logic circuit.
Fig. 8 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention eight, and as shown in Figure 8, described electronic equipment has storage medium 80, and described storage medium 80 at least includes: first kind memory area 801, Equations of The Second Kind memory area 802; Described electronic equipment also includes:
Controller 81, is used for obtaining target data, and the type of described target data is judged; For the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area; The target data of the described first kind is carried out read/write operation by described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area 801 is higher than the memory property index of described Equations of The Second Kind memory area 802.
It will be appreciated by those skilled in the art that the function that realizes of each unit in the electronic equipment shown in Fig. 8 can refer to the associated description of aforementioned data storage method and understands.
Between technical scheme described in the embodiment of the present invention, when not conflicting, it is possible to combination in any.
In several embodiments provided by the present invention, it should be understood that disclosed method and smart machine, it is possible to realize by another way. Apparatus embodiments described above is merely schematic, such as, the division of described unit, it is only a kind of logic function to divide, actual can have other dividing mode when realizing, and as: multiple unit or assembly can be in conjunction with, or is desirably integrated into another system, or some features can ignore, or do not perform. It addition, the coupling each other of shown or discussed each ingredient or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, equipment or unit, it is possible to be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, it is also possible to be distributed on multiple NE; Part or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated in second processing unit, it is also possible to be that each unit is individually as a unit, it is also possible to two or more unit are integrated in a unit; Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ hardware adds the form of SFU software functional unit and realizes.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.
Claims (11)
1. a date storage method, is applied to electronic equipment, and described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described method includes:
Obtain target data, the type of described target data is judged;
For the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
The target data of the described first kind is carried out read/write operation by described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
2. date storage method according to claim 1, described acquisition target data, the type of described target data is judged, including:
When the target data of input being detected, the attribute information of described target data is resolved;
According to analysis result, it is judged that the type of described target data is the described first kind or described Second Type.
3. date storage method according to claim 1, the described target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area, including:
For the target data of the first kind, address mapping table arranges for the target data of the described first kind the first logical address of correspondence;
For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence;
Described first logical address characterizes described first memory area, and described second logical address characterizes described second memory area.
4. date storage method according to claim 3, described carries out write operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out write operation by described second memory area, including:
The target data of the described first kind is write described first memory area that described first logical address characterizes; And the first physical address of described first memory area is stored to described address mapping table, to set up described first logical address and the mapping relations of described first physical address in described address mapping table;
The target data of described Second Type is write described second memory area that described second logical address type characterizes; And the second physical address of described second memory area is stored to described address mapping table, to set up described second logical address and the mapping relations of described second physical address in described address mapping table.
5. date storage method according to claim 4, described carries out read operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out read operation by described second memory area, including:
According to described address mapping table, search first physical address corresponding with the first logical address of the target data of the described first kind; The target data of the described first kind is read from described first physical address;
According to described address mapping table, search second physical address corresponding with the second logical address of the target data of described Second Type; The target data of described Second Type is read from described second physical address.
6. an electronic equipment, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Judging unit, is used for obtaining target data, and the type of described target data is judged;
Allocation units, for the target data for the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area;
Operating unit, for carrying out read/write operation to the target data of the described first kind on described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
7. electronic equipment according to claim 6, described judging unit includes:
Resolve subelement, when being used for target data input being detected, the attribute information of described target data is resolved;
Judgment sub-unit, for according to analysis result, it is judged that the type of described target data is the described first kind or described Second Type.
8. electronic equipment according to claim 6, described allocation units, it is additionally operable to the target data for the first kind, address mapping table arranges for the target data of the described first kind the first logical address of correspondence; For the target data of Second Type, described address mapping table arranges for the target data of described Second Type the second logical address of correspondence; Described first logical address characterizes described first memory area, and described second logical address characterizes described second memory area.
9. electronic equipment according to claim 8, described operating unit includes:
Write operation subelement, for writing described first memory area that described first logical address characterizes by the target data of the described first kind; And the first physical address of described first memory area is stored to described address mapping table, to set up described first logical address and the mapping relations of described first physical address in described address mapping table; The target data of described Second Type is write described second memory area that described second logical address type characterizes; And the second physical address of described second memory area is stored to described address mapping table, to set up described second logical address and the mapping relations of described second physical address in described address mapping table.
10. electronic equipment according to claim 8, described operating unit also includes:
Read operation subelement, for according to described address mapping table, searching first physical address corresponding with the first logical address of the target data of the described first kind; The target data of the described first kind is read from described first physical address; According to described address mapping table, search second physical address corresponding with the second logical address of the target data of described Second Type; The target data of described Second Type is read from described second physical address.
11. an electronic equipment, described electronic equipment has storage medium, and described storage medium at least includes: first kind memory area, Equations of The Second Kind memory area; Described electronic equipment also includes:
Controller, is used for obtaining target data, and the type of described target data is judged; For the target data of the first kind, the target data for the described first kind distributes described first memory area; For the target data of Second Type, the target data for described Second Type distributes described second memory area; The target data of the described first kind is carried out read/write operation by described first memory area; The target data of described Second Type is carried out read/write operation by described second memory area;
Wherein, the memory property index of described first kind memory area is higher than the memory property index of described Equations of The Second Kind memory area.
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| CN110941398A (en) * | 2019-11-29 | 2020-03-31 | 维沃移动通信有限公司 | Data storage method and electronic equipment |
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| CN113452726B (en) * | 2020-03-24 | 2024-02-20 | 中兴通讯股份有限公司 | Data transmission method, terminal and computer readable storage medium |
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