CN105912279A - Solid-state storage recovery system and solid-state storage recovery method - Google Patents
Solid-state storage recovery system and solid-state storage recovery method Download PDFInfo
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- CN105912279A CN105912279A CN201610333032.2A CN201610333032A CN105912279A CN 105912279 A CN105912279 A CN 105912279A CN 201610333032 A CN201610333032 A CN 201610333032A CN 105912279 A CN105912279 A CN 105912279A
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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
- G06F3/0608—Saving storage space on storage systems
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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
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0652—Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket
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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
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0688—Non-volatile semiconductor memory arrays
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Abstract
The invention provides a solid-state storage recovery system and method. The system comprises a solid-state storage array, an interface module, a storage control module and a firmware module, wherein if to-be-written data does not belong to a set data type, the storage control module is set to write the to-be-written data into the solid-state storage array; and if the to-be-written data belongs to the set data type, the storage control module is set to write the to-be-written data into the firmware module and recover a physical storage unit matched with the to-be-written data in the solid-state storage array for wear leveling. By utilizing the system and method provided by the invention, the solid-state storage space recovery is facilitated.
Description
Technical field
The present invention relates to solid state storage technologies.Concrete, relate to reclaim the thing of solid storage device
The system and method in reason space.
Background technology
Solid storage device generally uses memory cell arrays to create non-volatile memories.Set at flash memory
In Bei, either single layer cell or multilevel-cell can serve as long-term storage device and realize.Single
Layer unit (SLC) only has a bit length, for current techniques available, supports about
The programming of 100000 times or erasing circulation operation.Multilevel-cell (MLC) has variable charge and more letter
Breath, but fault rate is higher compared with SLC.For MLC, a typical program/erase specification
It is currently 10000 circulation operations.In both of these case, wear-leveling algorithm is all carried out, with
Prevent the write operation performing to repeat in same memory cell block.
By using on a small quantity or distributing write operation in untapped unit, wear-leveling algorithm is permissible
Improve the write disposal ability of storage device.When available cell a large amount of in storage device are not utilized,
Wear-leveling algorithm runs effectively.Under these conditions, wear-leveling algorithm can be notable
Reduce the average time of write operation on each unit, thus improve the use time of solid storage device.
Summary of the invention
For current existing solid state memory space recovery method, there is no and can be fully solved this class problem
And meet the best approach of domain requirement.It is existing for solving that inventor proposes technical scheme
At least one aspect of problem in technology, thus overcome disadvantages mentioned above to promote solid state memory space
Reclaim.
According to solid-state storage recovery system provided by the present invention, comprising: solid-state storage array, institute
State solid-state storage array and there is the solid-state storage physical location for writing and read data；Interface module,
Described interface module is arranged to receive write order and data to be written；Storage control module, institute
State storage control module to be arranged to control the write to described solid-state storage array or reading；Firmware
Module, described firmware module is for storing the data identical with the data type of setting；Wherein, if
Described data to be written are not belonging to the data type set, and described storage control module is arranged to treat
The data of write are written to described solid-state storage array；If described data to be written belong to setting
Data type, then the data that storage control module is arranged to be written into are written to described firmware module,
And will solid-state storage array reclaim with the physical memory cell of data match to be written, for
Wear leveling.
In embodiments of the present invention, solid-state storage recovery system also includes mapping block, described in reflect
Penetrate module and be arranged to manage one or more mapping table, described mapping table records in solid-state storage array
Logical storage address maps to physical storage address.
In embodiments of the present invention, described mapping block can be read from described solid-state storage array
Fetch data, thus the mapping table in mapping block is updated.
In embodiments of the present invention, reflecting during described storage control module reads described mapping block
Firing table, to determine logical storage address and the physical storage address of described data to be written.
In embodiments of the present invention, described mapping block is stored in described solid-state storage array,
If data to be written belong to the data type of setting, then be stored in described solid-state storage array with
The entry of the mapping table that described data to be written match mutually is deleted, and reclaims this object of storage
Reason storage address.
A kind of solid-state storage recovery method also provided for according to the present invention, it comprises the steps: to receive
Writing commands and data to be written；Identify whether data to be written belong to the data type of setting；
If data to be written are not belonging to the data type set, then the data being written into are written to institute
State solid-state storage array；If data to be written belong to the data type of setting, then the number being written into
According to being written to firmware module, and physics with data match to be written in solid-state storage array is deposited
Storage unit reclaims, for wear leveling.
In embodiments of the present invention, wherein, the data write solid-state storage array being written into
Step, it is realized by mapping table, records logic storage in solid-state storage array in described mapping table
Address is to the mapping of physical storage address.
In embodiments of the present invention, wherein, described mapping table can be according in solid-state storage array
Data be updated.
In embodiments of the present invention, wherein, the data in described mapping table are utilized, to determine
State logical storage address and the physical storage address of data to be written.
In embodiments of the present invention, described mapping table is stored in solid-state storage array, if to be written
The data entered belong to the data type of setting, then be stored in treating with described in described solid-state storage array
The entry of the mapping table that the data of write match mutually is deleted, and reclaims the physical store storing this entry
Address.
Accompanying drawing explanation
From later in conjunction with the accompanying drawing description to embodiment, the exemplary embodiment of the present invention these and
/ or other aspects and advantage will become clear from and be easier to understand, in the accompanying drawings:, wherein:
Fig. 1 shows the embodiment of the solid-state storage recovery system according to the present invention；
Fig. 2 shows the another embodiment of the solid-state storage recovery system according to the present invention；
Fig. 3 shows the another embodiment of the solid-state storage recovery system according to the present invention；
Fig. 4 shows the flow chart of the solid-state storage recovery method according to the present invention；
Fig. 5 shows the schematic diagram of the address mapping scenarios according to the present invention.
Detailed description of the invention
The functional unit described in this manual has been labeled as module, in order to more specifically emphasize
Their realization.Such as, module may be implemented as hardware circuit, including customization VLSI circuit or door
Array, ready-made, shelf semiconductor such as logic chip, transistor or other discrete components；Equally,
Module can also at programmable hardware device (such as: gate array, programmable array logic, solid-state
Memory, programmable logic device etc.) realize.
Module also can be realized by different types of processor, for performing in software.Can perform
Code cover half block really can comprise logic or the physical block of one or more computer instruction, such as: quilt
Object, process or the function of tissue.While it is true, it is same to determine that the executable file of module need not be placed on
On one physical address, but can be made up of the content in the different memory cell of same storage, it is only necessary to
When diverse for this module instruction being joined logically together the when of needs, should be to realize being somebody's turn to do
The given application of module.
It is true that the module comprising executable code can be an instruction, it is possible to be a plurality of instruction,
Even can be distributed to different code segment, be present between different programs, it is possible to set across multiple storages
Standby.Equally, the operation data in module can be identified and explain, and can be in any suitable type
Data structure in, show with applicable form and combine.Performing data can be as single data
Collect collected, or be distributed to the different local of different storage device, or only have part as system
Electronic signal on system or network exists also possible.
Run through the reference meaning to " embodiment ", " embodiment ", or similar language in this specification
Taste a specific feature of the application example being at least included in the present invention, structure or with this embodiment
The feature described.Same, " in application example " that this specification uses or " should at one
With example " with similar language can but be not necessarily referring to same application example.
Additionally, feature described in the present invention, structure or characteristic can be in any suitable manner one
Be combined in individual or multiple application example use.In description subsequently, such as Programming Skills, software mould
Block, user's selection, network trading, data base querying, hardware chip, hardware module, hardware circuit
Etc. provide many details, for supporting thoroughly to understand the application example of the present invention.For him
In example, it is thus well known that structure, material or operation will not be described in detail again or show, to avoid
Related link of the present invention is confused.
Combine detailed description of the invention below by way of accompanying drawing the present invention is further detailed and illustrates,
It is noted that the feature shown in accompanying drawing does not indicates that technical scheme must include this feature,
Those skilled in the art can carry out deleting and increasing and be combined with each other according to actual conditions.
As Figure 1-3, it illustrates three kinds of different realities of the solid-state storage recovery system of the present invention
Execute mode.
Concrete, as it is shown in figure 1, it illustrates solid-state storage recovery system 130, comprising: solid-state
Storage array 140, described solid-state storage array has the solid-state storage thing for writing and read data
Reason unit；Interface module, described interface module is arranged to receive write order and data to be written；
Storage control module 142, described storage control module is arranged to control described solid-state storage array
Write or reading；Firmware module 138, described firmware module is for storage and the data type set
Identical data；Wherein, if described data to be written are not belonging to the data type set, described
The data that storage control module is arranged to be written into are written to described solid-state storage array 140；If
Described data to be written belong to the data type of setting, then storage control module is arranged to be written into
Data be written to described firmware module, and by solid-state storage array with data match to be written
Physical memory cell reclaim, for wear leveling.
Fig. 1 also show the computer equipment 110 interacted with the present invention, this computer equipment 110
Being written and read to solid-state storage recovery system 130, the access to solid-state storage array 140 simultaneously is managed
Control.According to the embodiment shown in Fig. 1, the solid-state storage recovery system of the present invention is by depositing solid-state
Storage array 140 reads and writes minimizing of number of times so that this system can provide faster access speed, right
The loss of solid-state storage array is minimum.
Additionally, computer equipment 110 is separately positioned with solid-state storage recovery system, illustrated in fig. 1
In embodiment, solid-state storage recovery system is arranged on the outside of computer equipment 110, but, this
Skilled person solid-state storage recovery system can also be arranged on computer equipment 110 inside or
Computer equipment 110 is arranged on the inside of solid-state storage recovery system 130 by person.In other words, ability
Above-mentioned parts can suitably be arranged by field technique personnel according to actual needs.
As it is shown in figure 1, firmware module 138 is separately positioned with solid-state storage array 140, but, ability
Field technique personnel can also use other set-up mode, such as, draws in solid-state storage array 140
Separate certain memory space and be used as firmware module 138.
In embodiments of the present invention, computer equipment 110 also can be as main or secondary storage mould
Block is applied in solid-state storage recovery system 130.Computer equipment 110 can produce and comprise read write command
Packet 120, thus packet 120 can be read and write.Solid-state storage recovery system 130 is by one
Individual interface module receives packet 120.
Seeing shown in accompanying drawing 2, according to another embodiment of the invention, interface module can include connecing
Mouth control module 132 and interface caching 134.Certainly those skilled in the art can also arrange other mould
Block is used for interface module.
Interface control module 132 can be configured to serve as processing equipment agreement, report computer equipment 110 or
The error of transmission of solid-state storage recovery system 130.It addition, interface control module 132 can be responsible for transmitting number
According to bag to computer equipment.
Data packet stream can be managed by interface caching 134 and be controlled.Interface caching can be deposited temporarily
Storage information, the most just packet are delivered to storage control module 142.
As it is shown on figure 3, it illustrates another embodiment of the invention, solid-state storage recovery system 130
Also include that mapping block 136, described mapping block 136 are arranged to manage one or more mapping table, reflect
Firing table records in solid-state storage array 140 logical storage address to the mapping of physical storage address.Reflect
Penetrate module and can read data from solid-state storage array, thus the mapping table in mapping block is carried out
Update.Storage control module 142 reads the mapping table in described mapping block, described to be written to determine
Enter logical storage address and the physical storage address of data.
Mapping block 136 can be stored in solid-state storage array 140, if data to be written belong to sets
Fixed data type, then be stored in described solid-state storage array matches with described data to be written
Mapping table entry be deleted, and reclaim store this entry physical storage address.
Here " data type of setting " is predefined data type, such as, conventional data
Type, i.e. technical staff can come data class according to different systems or different modes of operation
Type is set, so that it is as the data type solid-state storage recovery system in the present invention set
Middle use.
According to embodiment illustrated in fig. 3, storage control module 142 can allow access map module
136, firmware module 138 and solid-state storage array 140, thus provide read-write merit to computer equipment 110
Energy.In a particular embodiment, mapping block 136 can be stored in solid-state storage array 140,
Mapping block 136 includes the logical address accessing storage data.Mapping block 136 manages one or more
Mapping table, have recorded in solid-state storage array logical storage address to physical store ground in these mapping tables
Location maps.
In embodiment provided by the present invention, such as, in the case of performing write operation, Gu
State storage control module 142 communicates with mapping block 136, to determine described solid-state storage array
Can use in 140 is physically written address.Thus data to be written can be written into this solid storage device
Array 140, and logical storage address gathers to the mapping block 136 that is mapping through of physical storage address.
In an embodiment of the present invention, this storage control module 142 reads from this solid-state storage array 140
Map information, when needing equipment initialization, storage and more fresh information in operation and writing
Or mapping table is write the medium-term and long-term storage of solid-state storage array 140 by startup write operation.This mapping block energy
Enough realize wear-leveling algorithm every time when writing content in mapping table, can deposit in solid-state as required
Storage array 140 distributes different positions.
When by the data pattern that Data Matching is setting of write solid-state storage array, storage control module
142 can avoid being written to by Data duplication in solid-state storage array 140, only by the logic list of this storage
Unit is simply mapped on the storage position of the data pattern of this setting, such as on firmware module, it is possible to
To be additive method.
In embodiments of the present invention, the logical block of storage is mapped to one or more depositing
Storage space is put and can be realized by various means and method.Such as, corresponding to the data type of this setting
Particular code or physical store can be inserted in mapping table.Same, storage logical units
Entry also can delete from mapping table；This mapping table explicitly points out the logical block of this storage and contains
The pattern of the data type of this setting.
According to the embodiment of the present invention, the pattern of the data type of this setting can be stored in solid-state and deposits
In the Mode Areas of the data type of the setting of storage array 140, it is also possible to be stored in firmware module 138.
In the application, any kind of storage configures the pattern storage of the data type that can provide setting.
SDRAM is exactly typical case's application.Storage array external memory or generate set data type pattern from
And alleviate the input and output from solid-state storage array 140 and load.
According to the embodiment of the present invention, spare space is introduced for storage or the data of the setting of generation
The pattern of type is provided that the implementation being significantly better than prior art.Such as, make when the data related to
Be set data type, then when read-write operation performs, solid-state storage array 140 need not
Accessed.In another one application example, during read operation, if required mapping does not exists
Time in mapping table, the data type pattern of setting will be returned, thus reduce access (potential height
Stand-by period) solid-state storage array 140 and reduce the space needed for mapping table.
Additionally, this mapping block 136 can comprise the multiple logic address pointing to Same Physical address.
Point to Same Physical address and can eliminate the storage containing identical data pattern in solid-state storage array 140
Unit.Under requisite space minimum premise, this solid storage device can provide additional space to be used for
Wear-leveling algorithm or similar.
Additionally, present invention also offers a kind of solid-state storage recovery method, it comprises the steps: to connect
Receive writing commands and data to be written；Identify whether data to be written belong to the data type of setting；
If data to be written are not belonging to the data type set, then the data being written into are written to described solid
State storage array；If data to be written belong to the data type of setting, then the data being written into are write
Enter to firmware module, and by physical store list with data match to be written in solid-state storage array
Unit reclaims, for wear leveling.
Wherein, the step of the data write solid-state storage array being written into, it comes real by mapping table
Existing, described mapping table records logical storage address in solid-state storage array and maps to physical storage address.
Wherein, described mapping table can be updated according to the data in solid-state storage array.
Wherein, utilize the data in described mapping table, to determine that the logic of described data to be written stores
Address and physical storage address.
Described mapping table is stored in solid-state storage array, if data to be written belong to the data of setting
Type, then the mapping matched mutually with described data to be written being stored in described solid-state storage array
The entry of table is deleted, and reclaims the physical storage address storing this entry.
As shown in Figure 4, it illustrates the stream of a kind of embodiment according to method provided by the present invention
Cheng Tu.
Wherein, according to method provided by the present invention, as shown in Figure 4, solid-state storage recovery method,
It comprises the steps: to receive writing commands and data 210 to be written；Identify data to be written
Whether belong to the data type 220 of setting；If data to be written are not belonging to the data type set,
The data being then written into are written to described solid-state storage array 250；If data to be written belong to set
Fixed data type, then the data being written into are written to firmware module 230, and by solid-state storage battle array
In row, the physical memory cell with data match to be written reclaims, for wear leveling.
Wherein, the step of the data write solid-state storage array being written into, it comes real by mapping table
Existing, described mapping table records logical storage address in solid-state storage array and maps to physical storage address.
Wherein, described mapping table can be updated 280 according to the data in solid-state storage array.
Wherein, utilize the data in described mapping table, to determine that the logic of described data to be written stores
Address and physical storage address 260.
Described mapping table is stored in solid-state storage array, if data to be written belong to the data of setting
Type, then the mapping matched mutually with described data to be written being stored in described solid-state storage array
The entry of table is deleted, and reclaims the physical storage address 240 storing this entry.
The method according to the invention can also include add logical mappings 290 step, if with write
The mapping of data match does not exists, then logical mappings added in mapping table.
According to method provided by the present invention, the data type set by identification during write operation
Pattern and already present mapping, the method can make solid state memory space be recovered and reuse.At one
In application example, the pattern of the data type of this setting is at system model or whole data model storage
Zero layer；In Another Application example, the data that the pattern of the data type of this setting can also comprise
Consistent with the formatting algorithm from low-level.
If these data to be written contain the data type of setting, these logical storage addresses should
It is mapped to the pattern of the data type of setting.
Above-mentioned steps can realize in several ways.Such as, data class pattern correspondence set
Instruction or the physical storage address of formula are inserted in mapping table.It addition, the bar of the logical block of storage
Mesh can be deleted from mapping table, and this shows that it contains the data type pattern of setting.Particularly,
In an application example, this solid storage device confirms the logical address mapping to physical address, and
It is removed from mapping table.When logical storage address is removed, storage control module 142 will therewith
What the physical space of relativity regarded is available.
The mapping address that the storage physical location of the data type pattern being then mapped to setting is corresponding can
It is recycled for including realizing subsequently use during wear-leveling algorithm.According to reality provided by the present invention
Executing mode, above-mentioned recovery can not rely on any from external equipment, device drives or external interface
Recovery order occur.Device interior processes the ability reclaimed and provides a significant advantage, this feelings
Condition is particularly evident in plug and play scheme.
If the data type pattern set is unrecognized, then these data are write physics solid-state storage
Unit (block or sector).In application example, mapping table will be examined, for this logical block
Map and whether exist.If logical address exists to the mapping of physical address such that it is able to confirm logic
Be physically written position, this logical mappings will be updated, to reflect the physical address of these write data.
Do not exist if mapped, then logical mappings will be added in mapping table, in order to builds for newly written data
Vertical logical address is to the mapping of physical address.
Particularly, applicant indicate that, the step in said method not necessarily, people in the art
Member can choose the whole of the step in said method according to actual needs, it is also possible to selects a part to enter
Exercise use, the flow chart that Fig. 4 shows be one of the present invention preferred embodiment, it is not constituted
Limitation of the invention.
The process of principle and realization in order to be better understood from the mapping of the present invention, Fig. 5 gives this
The address of invention maps schematic diagram.By this schematic diagram, the present invention can be had by those skilled in the art
It is better understood upon.
As it is shown in figure 5, mapping scenarios containment mapping table 305, logical address mapping 310, solid-state storage
Physical location 320 and with to the firmware 330 that stores of data type set.Map multiple patrolling
Volume storage address is to Same Physical address or/and substitute storage address and can reduce and in storage array be
The physical store quantity of data storage allocation.
In the example shown in figure 5, logical address mapping 310a and 310b is associated with Same Physical simultaneously
Solid state storage elements 320a, logical address maps can point to storage alternate source, such as firmware 330.
In this example, logical address maps 310c and 310d as the data type pattern storage set or code
332 point to firmware address.For example, this pattern can be that such as storage control module 140 etc is raw
Become common-mode.In the data type pattern that external memory or the generation of physics solid metal block set, it is possible to
Future provides more free space for write operation and wear leveling process.
As it has been described above, described application example, it is intended for this area related personnel and understands use.So,
Native system and method are not restricted to lifted use-case in literary composition.
Claims (10)
1. a solid-state storage recovery system, comprising:
Solid-state storage array, described solid-state storage array has to be deposited for the solid-state writing and reading data
Storage physical location；
Interface module, described interface module is arranged to receive write order and data to be written；
Storage control module, described storage control module is arranged to control described solid-state storage array
Write or reading；
Firmware module, described firmware module is for storing the data identical with the data type of setting；
Wherein, if described data to be written are not belonging to the data type set, described storage controls
The data that module is arranged to be written into are written to described solid-state storage array；
If described data to be written belong to the data type of setting, then storage control module is arranged to
The data being written into are written to described firmware module, and by solid-state storage array with number to be written
Reclaim according to the physical memory cell matched, for wear leveling.
System the most according to claim 1, it also includes that mapping block, described mapping block set
It is set to manage one or more mapping table, described mapping table records logic storage in solid-state storage array
Address is to the mapping of physical storage address.
3., according to the system described in aforementioned any one claim, wherein, described mapping block can
From described solid-state storage array, read data, thus the mapping table in mapping block is updated.
4., according to the system described in aforementioned any one claim, described storage control module reads institute
State the mapping table in mapping block, deposit with the logical storage address and physics determining described data to be written
Storage address.
5., according to the system described in aforementioned any one claim, described mapping block is stored in described
In solid-state storage array, if data to be written belong to the data type of setting, then it is stored in described solid
The entry of the mapping table matched mutually with described data to be written in state storage array is deleted, and returns
The physical storage address of this entry is stored up in harvesting.
6. a solid-state storage recovery method, it comprises the steps:
Receive writing commands and data to be written；
Identify whether data to be written belong to the data type of setting；
If data to be written are not belonging to the data type set, then the data being written into are written to institute
State solid-state storage array；
If data to be written belong to the data type of setting, then the data being written into are written to firmware
Module, and will solid-state storage array reclaim with the physical memory cell of data match to be written,
For wear leveling.
Method the most according to claim 6, wherein, the data write solid-state storage being written into
The step of array, it is realized by mapping table, records in solid-state storage array and patrol in described mapping table
Collect the mapping to physical storage address of the storage address.
8., according to the method described in aforementioned any one claim, wherein, described mapping table can root
It is updated according to the data in solid-state storage array.
9., according to the method described in aforementioned any one claim, wherein, utilize in described mapping table
Data, to determine logical storage address and the physical storage address of described data to be written.
10., according to the method described in aforementioned any one claim, described mapping table is stored in solid-state and deposits
In storage array, if data to be written belong to the data type of setting, then it is stored in described solid-state storage
The entry of the mapping table matched mutually with described data to be written in array is deleted, and reclaims storage
The physical storage address of this entry.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106484323A (en) * | 2016-09-13 | 2017-03-08 | 郑州云海信息技术有限公司 | A kind of loss equalizing method of solid-state storage and system |
| CN109857239A (en) * | 2017-11-29 | 2019-06-07 | 浙江宇视科技有限公司 | Storage controlling method and device |
| CN112596667A (en) * | 2019-10-01 | 2021-04-02 | 阿里巴巴集团控股有限公司 | High throughput method and system for organizing NAND blocks and placing data for random writing in a solid state drive |
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