CN105511807A - Data storage management method and system based on storage equipment - Google Patents
Data storage management method and system based on storage equipment Download PDFInfo
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- CN105511807A CN105511807A CN201510862542.4A CN201510862542A CN105511807A CN 105511807 A CN105511807 A CN 105511807A CN 201510862542 A CN201510862542 A CN 201510862542A CN 105511807 A CN105511807 A CN 105511807A
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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 data storage management method and system based on storage equipment; the method comprises the following steps: setting a plurality of data storage channels respectively having an independent storage medium zone; setting a data storage zone and a data buffer zone in the storage medium zone; distributing the plurality of data storage channels into a plurality of data interactive buffer groups; doing read-write operations for each data storage channel in a polling mode; when one data storage channel is busy, other data buffer zones of other data storage channels in the data interactive buffer group can serve as data buffer memory of the data storage channel. The data buffer zones are arranged in the storage medium as buffer memory; other storage channels in the same group serve as the data buffer zone, thus effectively solving the problems that one busy storage channel will cause whole storage equipment blocking, greatly reducing buffer memory capacity in the storage equipment, and reducing chip area and cost.
Description
Technical field
The invention belongs to storage control field, particularly relate to a kind of data storage and management method based on memory device and system.
Background technology
See Fig. 1, be depicted as the principle schematic for the storage administration of prior art memory device, the structure of prior art memory device storage administration generally comprises controller, data buffer storage and multiple memory channel, and each memory channel arranges memory channel driver module and is connected with storage medium.In prior art, the object that storage medium only stores as data uses, controller completes the reading and writing data of the storage medium to each memory channel by control store channels drive module, controller adopts the mode of serial polling to carry out reading and writing data to each memory channel respectively usually, once certain memory channel is in " doing " state, need to wait for that this memory channel just can complete reading and writing data after recovering " free time " state, this just greatly reduces storage speed.In order to improve data rate memory, usually first the data temporary storage of this memory channel will be distributed to in buffer memory, controller is continued to carry out data storage to next memory channel, after the operation of one-period to be done, if when this memory channel returns to " free time " state, again temporary data are in the buffer distributed to this memory channel, and then the data completing a polling cycle store.
There is following defect in the storage administration structure of prior art:
1, need, for each memory channel distributes the data that buffer memory distributes to when temporary passage " do " this passage, required buffer memory capacity to be increased greatly, can the obviously area of increase main control chip and cost;
2, data buffer storage operation when memory channel is in " doing " state is completed by controller, thus adds the expense of controller, affects storage speed and efficiency.
Therefore, for the above-mentioned defect existed in currently available technology, be necessary to study in fact, to provide a kind of scheme, solve the defect existed in prior art.
Summary of the invention
In view of this, necessaryly provide a kind of data storage and management method based on memory device and system, directly utilize the storage medium data buffering each other of each memory channel, thus greatly reduce the capacity of buffer memory in memory device.
In order to overcome the defect that prior art exists, the invention provides following technical scheme:
Based on a data storage and management method for memory device, comprise the following steps:
Arrange multiple data memory channels, each data memory channels is provided with independently storage medium district be equipped with memory channel driver module to control the reading and writing data in this storage medium district;
In described storage medium district, be provided with data storage area and data buffer, described data storage area is used for storage allocation to the data message in this storage medium district, and described data buffer is used for the temporary data message distributing to other storage medium districts;
Multiple data memory channels is assigned as multiple data buffering group each other, each data each other buffering group are made up of at least 2 data memory channels;
Successively read-write operation is carried out to each data memory channels in the mode of poll;
When any one data memory channels is in " doing " state, the data buffer of other data memory channels of data each other in buffering group is as the data buffer storage of this data memory channels.
Preferably, when any one data memory channels is in " doing " state, the data message distributing to this data memory channels is temporarily distributed to and data same belonging to it buffering group and be in other data memory channels of " free time " state and this data message be temporarily stored in the data buffer of the data memory channels of this " free time " state each other;
When this data memory channels is " free time " state from " doing " state transfer, then the data storage area of the data information memory in described data buffer to this memory channel will be temporarily stored in.
Preferably, in described data each other buffering group, also buffer control unit is set, realizes same data are in " doing " state each other in buffering group between different pieces of information memory channel time data buffering each other by described buffer control unit.
Preferably, when data memory channels carries out read-write operation, when described buffer control unit state of knowing that this data memory channels is in " doing ", described buffer control unit finds other data memory channels that is in " free time " state in affiliated data each other buffering group, and data message is kept in the data buffer of other memory channels to this " free time " state;
Described buffer control unit monitors the state of this data memory channels, be " free time " state once original data memory channels from " hurrying " state transfer, described buffer control unit by the data information memory that is temporarily stored in the data buffer of other data memory channels to the data storage area of this memory channel.
Preferably, being arranged on the multiple data memory channels of data each other in buffering group is that benchmark is staggered with polling sequence.
In order to overcome the defect of prior art, the invention allows for a kind of data storage management system based on memory device, comprise interface module, main control unit and multiple data memory channels, described multiple data memory channels be assigned to multiple data each other buffering group and each data each other buffering group be at least made up of 2 data memory channels; Each data memory channels is provided with independently storage medium district and memory channel driver module, and described memory channel driver module is for controlling the reading and writing data in described storage medium district;
Described storage medium district is provided with data storage area and data buffer, and described data storage area is used for storage allocation to the data message in this storage medium district, and described data buffer is used for the temporary data message distributing to other storage medium districts;
Described interface module is for obtaining data message to be stored and this data message being sent to main control unit;
Described main control unit carries out read-write operation to each data memory channels successively in the mode of poll, when any one data memory channels is in " doing " state, the data buffer of other data memory channels of described data each other in buffering group is as the data buffer storage of this data memory channels.
Preferably, described data also arrange buffer control unit in buffering group each other, described buffer control unit and described data each other in buffering group the memory channel driver module of each data memory channels be connected, to realize when arbitrary data memory channels is in " doing " state between each data memory channels data buffering each other by controlling described memory channel driver module.
Preferably, when data memory channels carries out read-write operation, when described buffer control unit state of knowing that this data memory channels is in " doing ", described buffer control unit finds other data memory channels that is in " free time " state in affiliated data each other buffering group, and data message is kept in the data buffer of other memory channels to this " free time " state; Described buffer control unit monitors the state of this data memory channels, be " free time " state once this data memory channels from " hurrying " state transfer, described buffer control unit will be temporarily stored in the data storage area of the data information memory in described data buffer to this memory channel.
Preferably, described interface module is any one in USB interface, IDEATA interface, SATA interface, SAS interface and PCI-E interface.
Preferably, described storage medium district is any one in flash media, SD card, mmc card, UFS storer or eMMC module.
Compared with prior art, due to technical scheme of the present invention, each memory channel is divided into multiple data buffering group by opening up data buffer as buffer memory at storage medium each other, when arbitrary memory channel is in " doing " state, can by the memory channel with other " free time " states in group as data buffer area, effectively prevent because the busy problem causing whole memory device to block of some memory channels, and greatly reduce the capacity of buffer memory in whole memory device, reduce area and the cost of main control chip; Simultaneously by data each other buffering group Independent domination number according to buffer memory, thus greatly reduce the expense of controller, improve data rate memory and efficiency further.
Accompanying drawing explanation
Fig. 1 is the principle schematic of prior art memory device storage administration.
Fig. 2 is the schematic flow sheet of a kind of data storage and management method based on memory device of the present invention.
Fig. 3 is the principle schematic of a kind of data storage management system based on memory device of the present invention.
Fig. 4 is the principle schematic of the another kind of embodiment of a kind of data storage management system based on memory device of the present invention.
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Below with reference to accompanying drawing, the invention will be further described.
See Fig. 2, be depicted as the schematic flow sheet of a kind of data storage and management method based on memory device of the present invention, comprise the following steps:
Step 101: multiple data memory channels is set, each data memory channels is provided with independently storage medium district be equipped with memory channel driver module to control the reading and writing data in this storage medium district;
Step 102: be provided with data storage area and data buffer in storage medium district, data storage area is used for storage allocation to the data message in this storage medium district, data buffer is used for the temporary data message distributing to other storage medium districts, Zhi Zhan storage medium district, data buffer is seldom a part of, the data that memory channel distributed to by usual controller are at every turn fixed capacities, such as 4K, 8K, 16K etc., the Spatial General 6 R of data buffer is 3 to 5 times of this fixed capacity, thus ensures enough storage spaces as data buffering and speed.
Step 103: multiple data memory channels is assigned as multiple data buffering group each other, each data each other buffering group are made up of at least 2 data memory channels; Data buffering each other between the data memory channels of data each other in buffering group.
Step 104: memory controller carries out read-write operation to each data memory channels successively in the mode of poll;
Step 105: when any one data memory channels is in " doing " state, the data buffer of other data memory channels of data each other in buffering group is as the data buffer storage of this data memory channels.
In step 105 above-mentioned, when any one data memory channels is in " doing " state, the data message distributing to this data memory channels is temporarily distributed to and data same belonging to it buffering group and be in other data memory channels of " free time " state and this data message be temporarily stored in the data buffer of the data memory channels of this " free time " state each other;
When this data memory channels is " free time " state from " doing " state transfer, then the data storage area of the data information memory in described data buffer to this memory channel will be temporarily stored in.
See Fig. 3, be depicted as the principle schematic of a kind of data storage management system based on memory device of the present invention, comprise interface module, main control unit and multiple data memory channels, multiple data memory channels be assigned to multiple data each other buffering group and each data each other buffering group be at least made up of 2 data memory channels; Each data memory channels is provided with independently storage medium district and memory channel driver module, and memory channel driver module is used for the reading and writing data of control store dielectric area;
Storage medium district is any one in flash media, SD card, mmc card, UFS storer or eMMC module, it is provided with data storage area and data buffer, data storage area is used for storage allocation to the data message in this storage medium district, and data buffer is used for the temporary data message distributing to other storage medium districts;
Interface module is any one in USB interface, IDEATA interface, SATA interface, SAS interface and PCI-E interface, for obtaining data message to be stored and this data message being sent to main control unit.
Main control unit carries out read-write operation to each data memory channels successively in the mode of poll, and when any one data memory channels is in " doing " state, data other data memory channels each other in buffering group are as the data buffer storage of this data memory channels.
In a preferred embodiment, when any one data memory channels is in " doing " state, the data message distributing to this data memory channels is temporarily distributed to and data same belonging to it buffering group and be in other data memory channels of " free time " state and be temporarily stored in by this data message in the data buffer of the data memory channels of this " free time " state each other by main control unit; When this data memory channels is " free time " state from " hurrying " state transfer, main control unit again by the data information memory that is temporarily stored in data buffer to the data storage area of this memory channel.
Adopt technique scheme, by opening up data buffer as buffer memory at storage medium, and each memory channel is divided into multiple data buffering group each other, during state that arbitrary memory channel is in " hurrying ", by the memory channel with other " free time " states in group as data buffer area, thus greatly reduce the capacity of buffer memory in whole memory device, reduce area and the cost of main control chip.
In order to reduce the expense of memory controller further, promote storage speed and efficiency further.In a preferred embodiment, data also arrange buffer control unit in buffering group each other, buffer control unit and data each other in buffering group the memory channel driver module of each data memory channels be connected, to realize when arbitrary data memory channels is in " doing " state between each data memory channels data buffering each other by control store channels drive module.
When data memory channels carries out read-write operation, when buffer control unit state of knowing that this data memory channels is in " doing ", buffer control unit finds other data memory channels that is in " free time " state in affiliated data each other buffering group, and data message is kept in the data buffer of other memory channels to this " free time " state; Buffer control unit monitors the state of this data memory channels, be " free time " state once this data memory channels from " hurrying " state transfer, buffer control unit by the data information memory that is temporarily stored in data buffer to the data storage area of this memory channel.
Adopt technique scheme, by data each other buffering group buffer control unit is set, realize Independent domination number according to buffer memory, thus greatly reduce the expense of controller, improve data rate memory and efficiency.
In order to improve speed and the efficiency of buffer memory further, in a preferred embodiment, being arranged on the multiple data memory channels of data each other in buffering group is that benchmark is staggered with polling sequence, illustrates this technical scheme below for the data storage management system of 8 data memory channels.See Fig. 4, be depicted as the principle schematic of the another kind of embodiment of a kind of data storage management system based on memory device of the present invention, comprise 8 data memory channels, and 2 data memory channels are constructed as data buffering group each other.When carrying out data to memory channel and storing, main control unit is poll 8 memory channels successively, namely respectively from data memory channels 1, data memory channels 2 until the order of data memory channels 8 is a polling cycle.Data memory channels 1 and data memory channels 5 are constructed as the first data buffering group each other, data memory channels 2 and data memory channels 6 are constructed as the second data buffering group each other, data memory channels 3 and data memory channels 7 are constructed as the 3rd data buffering group each other, data memory channels 4 and data memory channels 8 are constructed as the first data buffering group each other, namely be that benchmark is staggered with polling sequence, such acquisition more caching process time, make memory channel be in " doing " shape probability of state greatly to reduce, thus the poll that carries out promoting main control unit more smooth stores operation, thus improve speed and the efficiency of buffer memory.Be specially, when data memory channels 1 is in " doing " state, data memory channels 5 keeps in the data message distributing to data memory channels 1 as buffer memory; During main control unit polling data memory channel 2, data memory channels 3 and data memory channels 4, if data memory channels 1 returns to " free time " state during this period, data memory channels 5 can utilize this period by temporary data information memory to data memory channels 1, thus does not affect the poll memory cycle of main control unit.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. based on a data storage and management method for memory device, it is characterized in that, comprise the following steps:
Arrange multiple data memory channels, each data memory channels is provided with independently storage medium district be equipped with memory channel driver module to control the reading and writing data in this storage medium district;
In described storage medium district, be provided with data storage area and data buffer, described data storage area is used for storage allocation to the data message in this storage medium district, and described data buffer is used for the temporary data message distributing to other storage medium districts;
Multiple data memory channels is assigned as multiple data buffering group each other, each data each other buffering group are made up of at least 2 data memory channels;
Successively read-write operation is carried out to each data memory channels in the mode of poll;
When any one data memory channels is in " doing " state, the data buffer of other data memory channels of data each other in buffering group is as the data buffer storage of this data memory channels.
2. the data storage and management method based on memory device according to claim 1, is characterized in that,
When any one data memory channels is in " doing " state, the data message distributing to this data memory channels is temporarily distributed to and data same belonging to it buffering group and be in other data memory channels of " free time " state and this data message be temporarily stored in the data buffer of the data memory channels of this " free time " state each other;
When this data memory channels is " free time " state from " doing " state transfer, then the data storage area of the data information memory in described data buffer to this memory channel will be temporarily stored in.
3. the data storage and management method based on memory device according to claim 2, it is characterized in that, in described data each other buffering group, also buffer control unit is set, realizes same data are in " doing " state each other in buffering group between different pieces of information memory channel time data buffering each other by described buffer control unit.
4. the data storage and management method based on memory device according to claim 3, is characterized in that,
When data memory channels carries out read-write operation, when described buffer control unit state of knowing that this data memory channels is in " doing ", described buffer control unit finds other data memory channels that is in " free time " state in affiliated data each other buffering group, and data message is kept in the data buffer of other memory channels to this " free time " state;
Described buffer control unit monitors the state of this data memory channels, be " free time " state once this data memory channels from " hurrying " state transfer, described buffer control unit will be temporarily stored in the data storage area of the data information memory in described data buffer to this memory channel.
5. the data storage and management method based on memory device according to claim 1 and 2, is characterized in that, being set to the multiple data memory channels of data each other in buffering group is that benchmark is staggered with polling sequence.
6. the data storage management system based on memory device, it is characterized in that, comprise interface module, main control unit and multiple data memory channels, described multiple data memory channels be assigned to multiple data each other buffering group and each data each other buffering group be at least made up of 2 data memory channels; Each data memory channels is provided with independently storage medium district and memory channel driver module, and described memory channel driver module is for controlling the reading and writing data in described storage medium district;
Described storage medium district is provided with data storage area and data buffer, and described data storage area is used for storage allocation to the data message in this storage medium district, and described data buffer is used for the temporary data message distributing to other storage medium districts;
Described interface module is for obtaining data message to be stored and this data message being sent to main control unit;
Described main control unit carries out read-write operation to each data memory channels successively in the mode of poll, when any one data memory channels is in " doing " state, the data buffer of other data memory channels of described data each other in buffering group is as the data buffer storage of this data memory channels.
7. the data storage management system based on memory device according to claim 6, it is characterized in that, described data also arrange buffer control unit in buffering group each other, described buffer control unit and described data each other in buffering group the memory channel driver module of each data memory channels be connected, to realize when arbitrary data memory channels is in " doing " state between each data memory channels data buffering each other by controlling described memory channel driver module.
8. the data storage management system based on memory device according to claim 7, is characterized in that,
When data memory channels carries out read-write operation, when described buffer control unit state of knowing that this data memory channels is in " doing ", described buffer control unit finds other data memory channels that is in " free time " state in affiliated data each other buffering group, and data message is kept in the data buffer of other memory channels to this " free time " state; Described buffer control unit monitors the state of this data memory channels, be " free time " state once this data memory channels from " hurrying " state transfer, described buffer control unit will be temporarily stored in the data storage area of the data information memory in described data buffer to this memory channel.
9. the data storage management system based on memory device according to claim 6, is characterized in that, described interface module is any one in USB interface, IDEATA interface, SATA interface, SAS interface and PCI-E interface.
10. the data storage management system based on memory device according to claim 6, is characterized in that, described storage medium district is any one in flash media, SD card, mmc card, UFS storer or eMMC module.
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