CN105511807B - A kind of data storage and management method and system based on storage device - Google Patents
A kind of data storage and management method and system based on storage device Download PDFInfo
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- CN105511807B CN105511807B CN201510862542.4A CN201510862542A CN105511807B CN 105511807 B CN105511807 B CN 105511807B CN 201510862542 A CN201510862542 A CN 201510862542A CN 105511807 B CN105511807 B CN 105511807B
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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
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0656—Data buffering arrangements
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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
- 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
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0658—Controller construction arrangements
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Abstract
The invention discloses a kind of data storage and management methods and system based on storage device, comprise the following steps：Multiple data memory channels are set and each data memory channels are equipped with independent storage medium area；Data storage area and data buffer zone are provided in storage medium area；Multiple data memory channels are assigned as multiple data buffering group each other；Operation is written and read to each data memory channels successively in a manner of poll；When any one data memory channels is in " busy " state, the data buffer storage of the data buffer zones of data other data memory channels in buffering group each other as the data memory channels.Technical solution using the present invention, it is used as caching by opening up data buffer zone in storage medium, by other memory channels in same group as data buffer area, it effectively prevents because some memory channel busy the problem of entire storage device is caused to block, so as to greatly reduce the capacity cached in storage device, the area and cost of chip are reduced.
Description
Technical field
The invention belongs to store control field more particularly to a kind of data storage and management method based on storage device and be
System.
Background technology
Referring to Fig. 1, it show as the principle schematic of prior art storage device storage management, prior art storage device
The structure of storage management generally comprises controller, data buffer storage and multiple memory channels, and each memory channel sets storage logical
Road drive module is connected with storage medium.In the prior art, purpose of the storage medium only as data storage uses, controller
By the way that memory channel drive module is controlled to complete the reading and writing data to the storage medium of each memory channel, controller generally use
The mode of serial polling carries out reading and writing data to each memory channel respectively, once some memory channel is in " busy " state, needs
Wait the memory channel that could complete reading and writing data after recovering " free time " state, this is greatly lowered storage speed.In order to
Data rate memory is improved, usually first keeps in the data for distributing to the memory channel in caching, controller is able to continue pair
Next memory channel carries out data storage, after the operation of a cycle to be done, if the memory channel is restored to " free time "
During state, then temporary data in the buffer are distributed into the memory channel, and then complete the data storage of a polling cycle.
There are following defects for the storage management structure of the prior art：
1st, need to distribute for each memory channel and cache to keep in the data for distributing to the passage during passage " busy ", make required
Buffer memory capacity greatly increase, can substantially increase main control chip area and cost；
2nd, data buffer storage operation when memory channel is in " busy " state is completed by controller, so as to add controller
Expense, influence storage speed and efficiency.
Therefore for drawbacks described above present in currently available technology, it is really necessary to be studied, to provide a kind of scheme,
Solve defect in the prior art.
The content of the invention
In view of this, it is directly sharp it is necessory to provide a kind of data storage and management method and system based on storage device
With the storage medium of each memory channel data buffering each other, so as to greatly reduce the capacity cached in storage device.
In order to overcome the shortcomings of the prior art, the present invention provides following technical scheme：
A kind of data storage and management method based on storage device, comprises the following steps：
Multiple data memory channels are set, and each data memory channels, which are equipped with independent storage medium area and are equipped with storage, to be led to
Road drive module controls the reading and writing data in the storage medium area；
Data storage area and data buffer zone are provided in the storage medium area, the data storage area is used to store
The data message in the storage medium area is distributed to, the data buffer zone is for the temporary data for distributing to other storage medium areas
Information；
Multiple data memory channels are assigned as multiple data buffering group each other, each data each other buffering group by least 2
A data memory channels composition；
Operation is written and read to each data memory channels successively in a manner of poll；
When any one data memory channels is in " busy " state, data other data memory channels in buffering group each other
Data buffer storage of the data buffer zone as the data memory channels.
Preferably, when any one data memory channels is in " busy " state, the data of the data memory channels will be distributed to
Information be temporarily assigned to its belonging to same data each other buffering group and in " free time " state other data memory channels
And the data message is temporarily stored in the data buffer zone of the data memory channels of " free time " state；
When the data memory channels are changed into " free time " state from " busy " state, then the data buffer zone will be temporarily stored in
In data information memory to the data storage area of the memory channel.
Preferably, buffer control unit is also set up in the data each other buffering group, passes through the buffer control unit
Realize same data each other in buffering group between different data memory channel in " busy " state when data buffering each other.
Preferably, when data memory channels are written and read operation, when the buffer control unit knows that the data store
Passage is in " busy " state, and the buffer control unit finds one in " free time " state in affiliated data each other buffering group
Other data memory channels, and data message is kept in the data buffer zone of other memory channels to " free time " state；
The buffer control unit monitors the state of the data memory channels, once original data memory channels are from " busy " shape
When state is changed into " free time " state, the buffer control unit will be temporarily stored in the data buffer zone of other data memory channels
Data information memory is to the data storage area of the memory channel.
Preferably, it is arranged on multiple data memory channels of the data each other in buffering group staggered row on the basis of polling sequence
Row.
The defects of in order to overcome the prior art, the invention also provides a kind of data storage management systems based on storage device
System, including interface module, main control unit and multiple data memory channels, the multiple data memory channels are assigned to multiple
Data buffering group and buffering group is at least made of each data 2 data memory channels each other each other；Each data memory channels
Equipped with independent storage medium area and memory channel drive module, the memory channel drive module is used to that the storage to be controlled to be situated between
The reading and writing data in matter area；
The storage medium area is provided with data storage area and data buffer zone, and the data storage area distributes for storing
To the data message in the storage medium area, the data buffer zone is for the temporary data letter for distributing to other storage medium areas
Breath；
The interface module is used to obtain data message to be stored and the data message is sent to main control unit；
The main control unit is written and read operation to each data memory channels successively in a manner of poll, when any number
" busy " state is according to memory channel, the data buffer zone conduct of the data other data memory channels in buffering group each other
The data buffer storage of the data memory channels.
Preferably, the data also set up buffer control unit in buffering group each other, the buffer control unit with it is described
The memory channel drive module of each data memory channels is connected data in buffering group each other, by controlling the memory channel
Drive module realizes when any data memory channel is in " busy " state between each data memory channels data buffering each other.
Preferably, when data memory channels are written and read operation, when the buffer control unit knows that the data store
Passage is in " busy " state, and the buffer control unit finds one in " free time " state in affiliated data each other buffering group
Other data memory channels, and data message is kept in the data buffer zone of other memory channels to " free time " state；
The buffer control unit monitors the state of the data memory channels, once the data memory channels are changed into from " busy " state
During " free time " state, the buffer control unit leads to the data information memory being temporarily stored in the data buffer zone to the storage
The data storage area in road.
Preferably, the interface module is USB interface, IDE ata interfaces, SATA interface, SAS interfaces and PCI-E interface
In it is any.
Preferably, the storage medium area is flash media, SD card, mmc card, UFS memories or in the block of eMMC moulds
It is a kind of.
Compared with prior art, due to technical scheme, it is mutual that each memory channel is divided into multiple data
It is used as caching for buffering group and by opening up data buffer zone in storage medium, when any memory channel is in " busy " state,
It can effectively be prevented because some memory channel by the memory channel of other " free time " states in same group as data buffer area
Busy the problem of entire storage device is caused to block, and greatly reduce the capacity cached in entire storage device, reduce master control core
The area and cost of piece；By data, buffering group independent control data cache each other simultaneously, thus greatly reduce controller
Expense further improves data rate memory and efficiency.
Description of the drawings
Fig. 1 is the principle schematic of prior art storage device storage management.
Fig. 2 is a kind of flow diagram of the data storage and management method based on storage device of the present invention.
Fig. 3 is a kind of principle schematic of the data storage management system based on storage device of the present invention.
Fig. 4 is a kind of principle signal of another embodiment of the data storage management system based on storage device of the present invention
Figure.
Specific examples below will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
Below with reference to attached drawing, the invention will be further described.
Referring to Fig. 2, a kind of flow diagram of the data storage and management method based on storage device of the present invention, bag are shown
Include following steps：
Step 101：Multiple data memory channels are set, and each data memory channels are equipped with independent storage medium area and match somebody with somebody
Standby memory channel drive module controls the reading and writing data in the storage medium area；
Step 102：Data storage area and data buffer zone are provided in storage medium area, data storage area is used to store
The data message in the storage medium area is distributed to, data buffer zone is for the temporary data letter for distributing to other storage medium areas
Breath, data buffer zone Zhi Zhan storage mediums area is seldom a part of, and the data that usual controller distributes to memory channel every time are solid
Constant volume, such as 4K, 8K, 16K etc., the Spatial General 6 R of data buffer zone is 3 to 5 times of the fixed capacity, so as to ensure have
Enough memory spaces are as data buffering and speed.
Step 103：Multiple data memory channels are assigned as multiple data buffering group each other, each data buffering group each other
It is made of at least two data memory channels；Data data buffering each other between the data memory channels in buffering group each other.
Step 104：Storage control is written and read operation to each data memory channels successively in a manner of poll；
Step 105：When any one data memory channels is in " busy " state, other data of data each other in buffering group are deposited
Store up data buffer storage of the data buffer zone of passage as the data memory channels.
It is above-mentioned in step 105, when any one data memory channels is in " busy " state, it is logical that data storage will be distributed to
The data message in road be temporarily assigned to its belonging to same data each other buffering group and in " free time " state other data
The data message is simultaneously temporarily stored in the data buffer zone of the data memory channels of " free time " state by memory channel；
When the data memory channels are changed into " free time " state from " busy " state, then the data buffer zone will be temporarily stored in
In data information memory to the data storage area of the memory channel.
Referring to Fig. 3, a kind of principle schematic of the data storage management system based on storage device of the present invention, bag are shown
Interface module, main control unit and multiple data memory channels are included, multiple data memory channels are assigned to multiple data each other
Buffering group and buffering group is at least made of each data 2 data memory channels each other；Each data memory channels are equipped with independent
Storage medium area and memory channel drive module, memory channel drive module be used to control the reading and writing data in storage medium area；
Storage medium area is any one of flash media, SD card, mmc card, UFS memories or eMMC modules, is set
There are data storage area and data buffer zone, data storage area distributes to the data message in the storage medium area, data for storing
Buffering area is for the temporary data message for distributing to other storage medium areas；
Interface module is any in USB interface, IDE ata interfaces, SATA interface, SAS interfaces and PCI-E interface, is used
In acquisition data message to be stored and the data message is sent to main control unit.
Main control unit is written and read operation to each data memory channels successively in a manner of poll, when any one data is deposited
Storage passage is in " busy " state, data data of other data memory channels in buffering group as the data memory channels each other
Caching.
In a preferred embodiment, when any one data memory channels is in " busy " state, main control unit will divide
The data message of the dispensing data memory channels is temporarily assigned to and buffering group and in " empty each other of same data belonging to it
The data message is simultaneously temporarily stored in the data of the data memory channels of " free time " state by other data memory channels of spare time " state
In buffering area；When the data memory channels are changed into " free time " state from " busy " state, main control unit will be temporarily stored in data again
Data information memory in buffering area is to the data storage area of the memory channel.
Using above-mentioned technical proposal, it is used as caching by opening up data buffer zone in storage medium, and each storage is logical
Road is divided into multiple data buffering group each other, when any memory channel is in " busy " state, by other " free time " states in same group
Memory channel as data buffer area, so as to greatly reduce the capacity cached in entire storage device, reduce main control chip
Area and cost.
In order to further reduce the expense of storage control, storage speed and efficiency are further promoted.A kind of preferred
In embodiment, data also set up buffer control unit in buffering group each other, buffer control unit in data each other buffering group
The memory channel drive module of each data memory channels is connected, by the way that memory channel drive module is controlled to realize when any number
Data buffering each other between each data memory channels when being in " busy " state according to memory channel.
When data memory channels are written and read operation, when buffer control unit knows that the data memory channels are in " busy "
State, it is logical that buffer control unit finds other data storage in " free time " state in affiliated data each other buffering group
Road, and data message is kept in the data buffer zone of other memory channels to " free time " state；Buffer control unit monitors
The state of the data memory channels, when the data memory channels are changed into " free time " state from " busy " state, cushioning control
Unit is by the data information memory being temporarily stored in data buffer zone to the data storage area of the memory channel.
Using above-mentioned technical proposal, by the way that buffering group sets buffer control unit each other in data, Independent domination number is realized
According to caching, the expense of controller is thus greatly reduced, improves data rate memory and efficiency.
In order to further improve the speed of caching and efficiency, in a preferred embodiment, it is arranged on data and delays each other
The multiple data memory channels rushed in group are staggered on the basis of polling sequence, below with the data of 8 data memory channels
The technical solution is illustrated exemplified by storage management system.Referring to Fig. 4, a kind of data based on storage device of the present invention are shown
The principle schematic of storage management system another kind embodiment, including 8 data memory channels, and by 2 data memory channels
It is constructed as data buffering group each other.When carrying out data storage to memory channel, 8 storages of poll are logical successively for main control unit
Road, i.e., respectively from data memory channels 1, data memory channels 2 up to data memory channels 8 order be a polling cycle.It will
Data memory channels 1 and data memory channels 5 are constructed as the first data buffering group, data memory channels 2 and data storage each other
Passage 6 is constructed as the second data, and buffering group, data memory channels 3 and data memory channels 7 are constructed as the 3rd data each other each other
Buffering group, data memory channels 4 and data memory channels 8 are constructed as the first data buffering group each other, i.e., using polling sequence as base
Standard is staggered, and so obtains more caching process times, and memory channel is made to be in " busy " shape probability of state and is substantially reduced, from
And the storage that is polled for promoting main control unit more smooth operates, so as to improve the speed of caching and efficiency.Specifically, work as
When data memory channels 1 are in " busy " state, data memory channels 5 are as the temporary number for distributing to data memory channels 1 of caching
It is believed that breath；During main control unit polling data memory channel 2, data memory channels 3 and data memory channels 4, if herein
Period data memory channels 1 recover to " free time " state, and data memory channels 5 can be utilized temporary data message during this period
Data memory channels 1 are stored, so as to not influence the poll of the main control unit storage cycle.
The explanation of above example is only intended to help to understand method and its core concept of the invention.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Several improvement and modification, these improvement and modification are also fallen into the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
1. a kind of data storage and management method based on storage device, which is characterized in that comprise the following steps：
Multiple data memory channels are set, and each data memory channels are equipped with independent storage medium area and are equipped with memory channel drive
Dynamic model block controls the reading and writing data in the storage medium area；
Data storage area and data buffer zone are provided in the storage medium area, the data storage area distributes for storing
To the data message in the storage medium area, the data buffer zone is for the temporary data letter for distributing to other storage medium areas
Breath；
Multiple data memory channels are assigned as multiple data buffering group each other, each data each other buffering group by least two number
It is formed according to memory channel；
Operation is written and read to each data memory channels successively in a manner of poll；
When any one data memory channels is in " busy " state, the data of data other data memory channels in buffering group each other
Data buffer storage of the buffering area as the data memory channels.
2. the data storage and management method according to claim 1 based on storage device, which is characterized in that
When any one data memory channels is in " busy " state, the data message for distributing to the data memory channels is temporarily distributed
It gives same data belonging to it and buffering group and other data memory channels in " free time " state and believes the data each other
In the data buffer zone for ceasing the data memory channels for being temporarily stored in " free time " state；
When the data memory channels are changed into " free time " state from " busy " state, then will be temporarily stored in the data buffer zone
Data information memory is to the data storage area of the memory channel.
3. the data storage and management method according to claim 2 based on storage device, which is characterized in that in the data
Also set up buffer control unit in buffering group each other, by the buffer control unit realize same data each other in buffering group not
With data buffering each other when " busy " state is between data memory channels.
4. the data storage and management method according to claim 3 based on storage device, which is characterized in that
When data memory channels are written and read operation, when the buffer control unit knows that the data memory channels are in " busy "
State, the buffer control unit are found other data in " free time " state in affiliated data each other buffering group and are deposited
Passage is stored up, and data message is kept in the data buffer zone of other memory channels to " free time " state；
The buffer control unit monitors the state of the data memory channels, once the data memory channels change from " busy " state
For " free time " state when, the buffer control unit is by the data information memory being temporarily stored in the data buffer zone to the storage
The data storage area of passage.
5. the data storage and management method according to claim 1 or 2 based on storage device, which is characterized in that be arranged to
Multiple data memory channels of the data each other in buffering group are staggered on the basis of polling sequence.
6. a kind of data storage management system based on storage device, which is characterized in that including interface module, main control unit and
Multiple data memory channels, the multiple data memory channels are assigned to multiple data buffering group and each data are each other each other
Buffering group is at least made of 2 data memory channels；Each data memory channels are equipped with independent storage medium area and storage is logical
Road drive module, the memory channel drive module are used to control the reading and writing data in the storage medium area；
The storage medium area is provided with data storage area and data buffer zone, this is distributed in the data storage area for storing
The data message in storage medium area, the data buffer zone is for the temporary data message for distributing to other storage medium areas；
The interface module is used to obtain data message to be stored and the data message is sent to main control unit；
The main control unit is written and read operation to each data memory channels successively in a manner of poll, when any one data is deposited
Storage passage is in " busy " state, and the data buffer zone of the data other data memory channels in buffering group each other is as the number
According to the data buffer storage of memory channel.
7. the data storage management system according to claim 6 based on storage device, which is characterized in that the data are mutual
To also set up buffer control unit in buffering group, the buffer control unit is deposited with each data in the data each other buffering group
The memory channel drive module of storage passage is connected, by the way that the memory channel drive module is controlled to realize when any data stores
Data buffering each other between each data memory channels when passage is in " busy " state.
8. the data storage management system according to claim 7 based on storage device, which is characterized in that
When data memory channels are written and read operation, when the buffer control unit knows that the data memory channels are in " busy "
State, the buffer control unit are found other data in " free time " state in affiliated data each other buffering group and are deposited
Passage is stored up, and data message is kept in the data buffer zone of other memory channels to " free time " state；The cushioning control
The state of the unit monitors data memory channels, when the data memory channels are changed into " free time " state from " busy " state,
The buffer control unit stores the data of the data information memory being temporarily stored in the data buffer zone to the memory channel
Area.
9. the data storage management system according to claim 6 based on storage device, which is characterized in that the interface mould
Block is any in USB interface, IDE ata interfaces, SATA interface, SAS interfaces and PCI-E interface.
10. the data storage management system according to claim 6 based on storage device, which is characterized in that the storage
Dielectric area is any one of flash media, SD card, mmc card, UFS memories or eMMC modules.
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| CN112965669B (en) * | 2021-04-02 | 2022-11-22 | 杭州华澜微电子股份有限公司 | Data storage system and method |
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| US8977890B2 (en) * | 2012-08-31 | 2015-03-10 | Kabushiki Kaisha Toshiba | Memory system and control method |
| US9335952B2 (en) * | 2013-03-01 | 2016-05-10 | Ocz Storage Solutions, Inc. | System and method for polling the status of memory devices |
| JP6160294B2 (en) * | 2013-06-24 | 2017-07-12 | 富士通株式会社 | Storage system, storage apparatus, and storage system control method |
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| CN1981345A (en) * | 2004-05-27 | 2007-06-13 | 桑迪士克股份有限公司 | Configurable ready/busy control |
| US8266361B1 (en) * | 2009-01-28 | 2012-09-11 | Cypress Semiconductor Corporation | Access methods and circuits for devices having multiple buffers |
| CN102890618A (en) * | 2011-07-19 | 2013-01-23 | 杭州华澜微科技有限公司 | Storage expansion equipment with partitioned management |
| WO2013140656A1 (en) * | 2012-03-23 | 2013-09-26 | 株式会社日立ハイテクノロジーズ | Data processing device, semiconductor external view inspection device, and data volume increase alleviation method |
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