CN103455437A - Data storage device and data storage device operation method - Google Patents
Data storage device and data storage device operation method Download PDFInfo
- Publication number
- CN103455437A CN103455437A CN2012102778916A CN201210277891A CN103455437A CN 103455437 A CN103455437 A CN 103455437A CN 2012102778916 A CN2012102778916 A CN 2012102778916A CN 201210277891 A CN201210277891 A CN 201210277891A CN 103455437 A CN103455437 A CN 103455437A
- Authority
- CN
- China
- Prior art keywords
- page
- logical
- address mapping
- group
- physical address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000013500 data storage Methods 0.000 title abstract 7
- 238000013507 mapping Methods 0.000 claims abstract description 116
- 239000000470 constituent Substances 0.000 claims description 11
- 239000003550 marker Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000012937 correction Methods 0.000 description 4
- 101100481702 Arabidopsis thaliana TMK1 gene Proteins 0.000 description 3
- 101100481704 Arabidopsis thaliana TMK3 gene Proteins 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
Images
Abstract
A data storage device and an operation method thereof. The data storage device comprises a flash memory and a controller. The flash memory provides a data storage space and a logical-physical address mapping. The logical-to-physical address mapping provides a group index and a plurality of groups of logical-to-physical address mapping tables divided by groups. Each unit in the group index corresponds to a group and points to the logical-physical address mapping table of the corresponding group. The plurality of logical-to-physical address mapping tables indicate how the host address is mapped to the data storage space. The controller executes firmware to configure the data storage space to store data indicated by the host and to establish the logical-to-physical address mapping in the flash memory.
Description
Technical field
The present invention is relevant for data memory device and its method of operating, the data memory device that to be particularly to take flash memory be Storage Media.
Background technology
Now data memory device often for example, with flash memory (, non-and lock flash memory/NAND flash) for Storage Media.
Along with the technology development, the capacity of flash memory significantly promotes; The management information in data storing space wherein-for example, the logical-physical address mapping table-also more and more huger, manageability not.
Summary of the invention
The present invention discloses a kind of data memory device and data memory device method of operating.
A data memory device of realizing according to one embodiment of the present invention comprises a flash memory and a controller.This flash memory provides a data storing space and logical-physical address mapping.Many groups logical-physical address mapping table that this logical-physical address mapping provides a group group index and divides according to group.The corresponding group of constituent parts in this group's index, point to the logical-physical address mapping table of corresponding group.Above-mentioned many group logical-physical address mapping tables indicate the host side address and how to map to this data storing space.This controller is carried out a firmware, configures this data storing space to store the indicated data of host side and to set up above-mentioned logical-physical address mapping in this flash memory.
The data memory device method of operating that another embodiment is realized according to the present invention comprises: in flash configuration one a data storing space of a data memory device, to store the indicated data of host side; And, in this flash memory, provide a logical-physical address mapping.Many groups logical-physical address mapping table that this logical-physical address mapping provides a group group index and divides according to group.The corresponding group of constituent parts in this group's index, point to the logical-physical address mapping table of corresponding group.Above-mentioned many group logical-physical address mapping tables indicate the mapping in host side address to this data storing space.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, special embodiment below, and coordinate appended diagram, be described in detail as follows.
The accompanying drawing explanation
The data memory device 100 that Fig. 1 diagram realizes according to one embodiment of the present invention;
The structure of Fig. 2 A diagram one flash memory;
" host page " of Fig. 2 B diagram host side definition and the corresponding relation of " Physical Page " of flash memory;
Fig. 3 illustrates this case disclosed group index and the mode of operation of many groups logical-physical address mapping table of dividing according to group;
Fig. 4 illustrates the correction technique of logical-physical address mapping H2F; And
Fig. 5 is with the Data Update flow process of flowchart illustrations one destination host page.
The main element symbol description
100 ~ data memory device;
102 ~ host side;
104 ~ flash memory;
106 ~ controller;
108 ~ random access memory;
110 ~ data storing space;
200 ~ flash memory;
BLK1, BLK2 ... BLKK ~ block;
F2H ~ physics-logical address mapping table;
Group1 ... Group3, Group_1H2F ... GroupN_H2F ~ logical-physical address mapping table;
GroupIndex ~ group's index;
Group's index before GroupIndexOld ~ correction;
GroupIndexNew ~ revised group index/group's index upgrade page;
Group under GroupOld ~ corresponding destination host page is the logical-physical address mapping table before revising;
Group under GroupNew ~ corresponding destination host page is revised logical-physical address mapping table/logical-physical address mapping table refresh page;
H2F ~ logical-physical address mapping table;
HPage, Hpage1 ... Hpage9 ~ host page;
HPage_Old, Hpage_New ~ destination host page is revised forward and backward data;
NF_BLK_1 ... NF_BLK_10 ~ block;
P1, P2 ... PM ~ page;
Page1 ~ original page;
Page2 ~ refresh page;
PageA ... PageM ~ page;
PhysicalPage ~ Physical Page; And
S502 ... S510 ~ step.
Embodiment
The data memory device 100 that Fig. 1 diagram realizes according to one embodiment of the present invention, can be controlled by host side 102.
Many groups logical-physical address mapping table Group1_H2F, Group2_H2F that this logical-physical address mapping H2F provides a group group index GroupIndex and divides according to group ... GroupN_H2F.
The corresponding group of constituent parts in the index GroupIndex of group, point to the logical-physical address mapping table of corresponding group.As shown in the figure, corresponding one first group of the index GroupIndex of group the first unit, point to logical-physical address mapping table Group1_H2F; Corresponding one second group of the index GroupIndex of group the second unit, point to logical-physical address mapping table Group2_H2F; Same rule, a corresponding N group of index GroupIndex N unit of group, point to logical-physical address mapping table GroupN_H2F.
Logical-physical address mapping table Group1_H2F, Group2_H2F ... GroupN_H2F divides group to indicate the mapping in host side address (from host side 102) to this data storing space 110.For example, logical-physical address mapping table Group1_H2F system indicates the mapping in host side address (for example, the host side address of the first scope) to the data storing space 110 of the first group; Logical-physical address mapping table Group2_H2F indicates the mapping in host side address (for example, the host side address of the second scope) to the data storing space 110 of the second group; Same rule, logical-physical address mapping table GroupN_H2F indicates the mapping in host side address (for example, the host side address of N scope) to the data storing space 110 of N group.
The structure of Fig. 2 A diagram one flash memory.Flash memory 200 comprises a plurality of blocks (blocks) BLK1, BLK2 ... BLKK.Each block comprises multipage (pages)-for example, block BLK1 comprises a page P1, P2 ... PM.The corresponding relation of the host page Hpage of Fig. 2 B diagram host side definition and Physical Page (being Fig. 2 A defined " the page ") PhysicalPage of flash memory.Host page Hpage can equate (for example, being all 16KB) with the size of Physical Page PhysicalPage.A host page Hpage need configure a Physical Page PhysicalPage.
Based on Fig. 2 A and Fig. 2 B technology, many groups logical-physical address mapping table Group1_H2F, the Group2_H2F shown in Fig. 1 ... the constituent parts of GroupN_H2F can a corresponding host page and can a block label and corresponding this host page of one page labeled marker be stored in which page of which block in this data storing space 110.The constituent parts of the index GroupIndex of group also can comprise a block label and one page label, and the logical-physical address mapping table system that indicates this corresponding group of unit is stored in which page of which block.In addition, the physics in random access memory 108-logical address mapping table F2H can be used for the mapping of the page of immediate updating one flash memory to host page-indicate " Physical Page " is to map to which " host page ".
Based on Fig. 2 A, Fig. 2 B definition, Fig. 3 illustrates this case disclosed group index and the mode of operation of many groups logical-physical address mapping table of dividing according to group.
As shown in the figure, the defined host page Hpage1 of host side system is stored in block NF_BLK_1, the page PageA of flash memory, host page Hpage2 system is stored in block NF_BLK_2, the page PageB of flash memory, and host page Hpage3 system is stored in block NF_BLK_3, the page PageC of flash memory.Institute's exposure technology classifies as one first group by host page Hpage1, Hpage2 and Hpage3, and the page PageD of configuration block NF_BLK_4 stores a logical-physical address mapping table Group1, wherein: the first unit points to block NF_BLK_1, page PageA to indicate the data storing space of host page Hpage1; The second unit points to block NF_BLK_2, page PageB to indicate the data storing space of host page Hpage2; The 3rd unit points to block NF_BLK_3, page PageC to indicate the data storing space of host page Hpage3.
In addition, institute's exposure technology more configures the page PageE storage a group group index GroupIndex of block NF_BLK_5.As shown in the figure, the first unit of the index GroupIndex of group, to should the first group, points to block NF_BLK_4, page PageD, indicates this logical-physical address mapping table Group1.Can corresponding other groups as for the index GroupIndex of group other unit.For example, corresponding one second group of the second unit of the index GroupIndex of group, point to block NF_BLK_6, page PageF, indicates a logical-physical address mapping table Group2; The logical-physical address mapping table Group2 provide a plurality of indexs, the data storing position of pointing to a plurality of host page of this second group (comprises, point to block NF_BLK_8, page PageH and PageI, to indicate respectively the data storing space of host page Hpage4 and Hpage5, and point to block NF_BLK_9, page PageJ, to indicate the data storing space of host page Hpage6).Corresponding one the 3rd group of the index GroupIndex of group the 3rd unit, point to block NF_BLK_7, page PageG, indicates a logical-physical address mapping table Group3; The logical-physical address mapping table Group3 provide a plurality of indexs, the data storing position of pointing to a plurality of host page of the 3rd group (comprises, point to block NF_BLK_10, page PageK, PageL and PageM, to indicate respectively the data storing space of host page Hpage7, Hpage8 and Hpage9).Special declaration, according to disclosed rule, the host page data of same group may be interspersed in a plurality of blocks (as being dispersed in three host page Hpage1, Hpage2, the Hpage3 data of three block NF_BLK_1, NF_BLK_2 and NF_BLK_3 or three host page Hpage4, Hpage5 being stored by two block NF_BLK_8 and NF_BLK_9 and Hpage5 data), perhaps, the host page data of same group can concentrate on single block (as concentrate on single block NF_BLK_10 three host page Hpage7, Hpage8, Hpage9 data).
Consult Fig. 3 illustrated embodiment, if host page Hpage1 is read in the host side indication, the controller of data memory device can be analyzed this host page Hpage1, learns that host page Hpage belongs to one first group.Controller can be inquired about the index GroupIndex of group, finds out wherein unit that should the first group, according to index wherein, seeks obtaining logical-physical address mapping table Group1.Controller can learn that host page Hpage1 data storing is in the page PageA of block NF_BLK_1 according to this unit of respective hosts page Hpage1 in logical-physical address mapping table Group1.Thus, the read operation of host page Hpage1 can be realized.Institute's exposure technology is the mapping relations to physical address with the Index Establishment logical address more than two stratum.
Disclosed logical-physical address mapping H2F technology is conducive to the flash memory of managing mass.Fig. 4 illustrates the correction technique of this logical-physical address mapping H2F.
Consult Fig. 4, the previous data Hpage_Old of destination host page system is stored in an original page Page1, and the index provided by the unit of logical-physical address mapping table Group_Old indicates.This logical-physical address mapping table Group_Old is that the index that a unit provides in the index GoupIndexOld of group indicates.
About the Data Update of this destination host page, the new configuration of institute's exposure technology one refresh page Page2 stores the data HPage_New after this destination host web update, original page Page1 be denoted as invalid.In addition, the new configuration of institute's exposure technology one logical-physical address mapping table refresh page Group_New, store revised logical-physical address mapping table (same label is Group_New).The logical-physical address mapping table Group_New index that wherein a unit provides means that, to this refresh page Page2, it is invalid that logical-physical address mapping table Group_Old is labeled thereupon.In addition, institute's exposure technology newly configures a group group index refresh page GroupIndexNew, stores the group's index (same label is GroupIndexNew) after upgrading.The index GroupIndexNew of the group index that wherein a unit provides means that it is invalid that the index GroupIndexOld of group is labeled thereupon to this logical-physical address mapping table Group_New.Sum up it, disclosed logical-physical address mapping H2F can realize the mapping correction of this destination host page to Physical Page by two pages of spaces of new configuration (inserting the revised index GroupIndexNew of group and logical-physical address mapping table Group_New), program is quite simple and easy, is applicable to jumbo flash memory and uses.
In one embodiment, refresh page Page2 configures to after this destination host page, these mapping relations can first be recorded in the physics of random access memory (Fig. 1 label 108)-logical address mapping table F2H, when inserting data HPage_New to flash memory with reference to, in addition, also can be with reference to use when setting up described logical-physical address mapping H2F.
In one embodiment, institute's exposure technology can first be copied to random access memory 108 by the data HPage_Old of the original page Page1 of the previous mapping of this destination host page and do the data renewal, then according to physics-logical address mapping table F2H, it is stored to refresh page Page2.Logical-physical address mapping table Group_Old also can first be copied to random access memory 108 and make data and upgrade, then is stored to flash memory and is Group_New.The index GroupIndexOld of group also can first be copied to random access memory 108 and make data and upgrade, then is stored to flash memory and is GroupIndexNew.
Fig. 5 is with the Data Update flow process of flowchart illustrations one destination host page.Step S502 is in flash configuration one refresh page (corresponding diagram 4 refresh page Page2), to upgrade the data of a destination host page.Step S504 revises this stored physics of random access memory (label 108 of corresponding diagram 1)-logical address mapping table F2H, to record this refresh page Page2 system this destination host page of mapping.Step S506 is copied to this random access memory 108 by the data HPage_Old of an original page (the original page Page1 of corresponding diagram 4) of the previous mapping of this destination host page and is updated to data HPage_New, then is stored to this refresh page Page2 according to this physics-logical address mapping table F2H.Step S508 for the group under this destination host page configures a logical-physical address mapping table refresh page (Group_New of corresponding diagram 4), points to this refresh page Page2 with a unit wherein in this flash memory.Step S510 is at this flash configuration a group group index refresh page (GroupIndexNew of corresponding diagram 4), with a unit wherein, points to this logical-physical address mapping table refresh page Group_New.
Step S508 can comprise that old logical-physical address mapping table (corresponding diagram 4Group_Old) first is copied to random access memory 108 does the data renewal, then is stored to logical-physical address mapping table refresh page Group_New.Step S510 can comprise that the old index GroupIndexOld of group first is copied to random access memory 108 does the data renewal, then is stored to the index upgrade page GroupIndexNew of group.
The above operation about logical-physical address mapping table FH all can the firmware mode, transfers to controller 106 and carries out and realize.
In addition; although the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention, and those skilled in the art without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying claims person of defining.
Claims (12)
1. a data memory device comprises:
One flash memory, provide a data storing space and logical-physical address mapping, wherein:
Many groups logical-physical address mapping table that this logical-physical address mapping provides a group group index and divides according to group;
The corresponding group of constituent parts in this group's index, point to the logical-physical address mapping table of corresponding group; And
Above-mentioned many group logical-physical address mapping tables indicate the mapping in host side address to this data storing space; And
One controller, carry out a firmware, configures this data storing space to store the indicated data of host side and to set up above-mentioned logical-physical address mapping in this flash memory.
2. data memory device as claimed in claim 1, wherein, this flash memory comprises a plurality of blocks, and above-mentioned block comprises multipage separately.
3. data memory device as claimed in claim 2, the wherein corresponding host page of the constituent parts of above-mentioned logical-physical address mapping table and where be stored in this data storing space with a block label and corresponding this host page of one page labeled marker.
4. data memory device as claimed in claim 3, wherein the constituent parts of above-mentioned group index with a block label, with one page label, point to the logical-physical address mapping table of corresponding group.
5. data memory device as claimed in claim 4 also comprises:
One random access memory, which host page record one physics-logical address mapping table under this controller of carrying out this firmware is controlled, map to the page system of this flash memory of immediate updating.
6. data memory device as claimed in claim 5, wherein:
When this controller upgrades the data of a destination host page at this flash configuration one refresh page, also revise this stored physics of this random access memory-logical address mapping table, to record this refresh page system this destination host page of mapping, and, this controller more is copied to the data of an original page of the previous mapping of this destination host page this random access memory and does after data are upgraded to be stored to this refresh page according to this physics-logical address mapping table, and configure a logical-physical address mapping table refresh page and point to this refresh page with a unit wherein for the group to should the destination host page in this flash memory, and point to this logical-physical address mapping table refresh page at this flash configuration a group group index refresh page and with a unit wherein.
7. a data memory device method of operating comprises:
In flash configuration one a data storing space of a data memory device, to store the indicated data of host side; And
Provide a logical-physical address mapping in this flash memory, wherein:
Many groups logical-physical address mapping table that this logical-physical address mapping provides a group group index and divides according to group;
The corresponding group of constituent parts in this group's index, point to the logical-physical address mapping table of corresponding group; And
Above-mentioned many group logical-physical address mapping tables indicate the mapping in host side address to this data storing space.
8. data memory device method of operating as claimed in claim 7, wherein, this flash memory comprises a plurality of blocks, and above-mentioned block comprises multipage separately.
9. data memory device method of operating as claimed in claim 8, the wherein corresponding host page of the constituent parts of above-mentioned logical-physical address mapping table and where be stored in this data storing space with a block label and corresponding this host page of one page labeled marker.
10. data memory device method of operating as claimed in claim 9, wherein the constituent parts of above-mentioned group index with a block label, with one page label, point to the logical-physical address mapping table of corresponding group.
11. data memory device method of operating as claimed in claim 10 also comprises:
Record one physics-logical address mapping table in a random access memory, with the page system of this flash memory of immediate updating, map to which host page.
12., as claim 11 a described data memory device method of operating, also comprise:
In this flash configuration one refresh page, to upgrade the data of a destination host page;
Revise this stored physics of this random access memory-logical address mapping table, to record this refresh page system this destination host page of mapping;
The data of one original page of the previous mapping of this destination host page are copied to this random access memory to be done after data are upgraded to be stored to this refresh page according to this physics-logical address mapping table;
For the group to should the destination host page configures a logical-physical address mapping table refresh page, with a unit wherein, point to this refresh page in this flash memory; And
At this flash configuration a group group index refresh page, with a unit wherein, point to this logical-physical address mapping table refresh page.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101119266 | 2012-05-30 | ||
| TW101119266A TWI544334B (en) | 2012-05-30 | 2012-05-30 | Data storage device and operating method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103455437A true CN103455437A (en) | 2013-12-18 |
Family
ID=49737832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102778916A Pending CN103455437A (en) | 2012-05-30 | 2012-08-06 | Data storage device and data storage device operation method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103455437A (en) |
| TW (1) | TWI544334B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461384A (en) * | 2014-11-28 | 2015-03-25 | 华为技术有限公司 | Data write-in method and storage device |
| CN104750616A (en) * | 2013-12-26 | 2015-07-01 | 慧荣科技股份有限公司 | Data storage device and flash memory control method |
| CN105426315A (en) * | 2014-09-02 | 2016-03-23 | 慧荣科技股份有限公司 | Method for maintaining entity storage comparison table and device using same |
| CN106598876A (en) * | 2015-10-15 | 2017-04-26 | 慧荣科技股份有限公司 | Data storage device and data maintenance method thereof |
| CN106649144A (en) * | 2015-10-29 | 2017-05-10 | 爱思开海力士有限公司 | Data storage device and operating method thereof |
| CN107430546A (en) * | 2015-06-26 | 2017-12-01 | 华为技术有限公司 | A kind of file updating method and storage device |
| CN107943711A (en) * | 2016-10-12 | 2018-04-20 | 慧荣科技股份有限公司 | Data storage device and data maintenance method thereof |
| CN108073359A (en) * | 2016-11-15 | 2018-05-25 | 慧荣科技股份有限公司 | Operation method of data storage device |
| CN108153480A (en) * | 2016-12-05 | 2018-06-12 | 北京京存技术有限公司 | A kind of data processing method based on NAND flash, storage device |
| CN108733580A (en) * | 2014-09-05 | 2018-11-02 | 慧荣科技股份有限公司 | Method for scheduling read commands |
| CN109144886A (en) * | 2017-06-27 | 2019-01-04 | 慧荣科技股份有限公司 | Data storage device |
| CN109521944A (en) * | 2017-09-18 | 2019-03-26 | 慧荣科技股份有限公司 | data storage device and data storage method |
| CN109671458A (en) * | 2017-10-17 | 2019-04-23 | 联发科技股份有限公司 | The method of management flash memory module and relevant flash controller |
| CN111338562A (en) * | 2018-12-18 | 2020-06-26 | 慧荣科技股份有限公司 | Data storage device and data processing method |
| CN111596859A (en) * | 2019-02-20 | 2020-08-28 | 慧荣科技股份有限公司 | Data storage device and data processing method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI604307B (en) * | 2014-10-31 | 2017-11-01 | 慧榮科技股份有限公司 | Data storage device and flash memory control method |
| TWI546666B (en) | 2014-11-03 | 2016-08-21 | 慧榮科技股份有限公司 | Data storage device and flash memory control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090164733A1 (en) * | 2007-12-21 | 2009-06-25 | Mips Technologies, Inc. | Apparatus and method for controlling the exclusivity mode of a level-two cache |
| CN101714065A (en) * | 2009-11-24 | 2010-05-26 | 西安奇维测控科技有限公司 | Method for managing mapping information of flash controller |
| WO2011031689A1 (en) * | 2009-09-14 | 2011-03-17 | Oracle International Corporation | Caching data between a database server and a storage system |
| TW201113702A (en) * | 2009-10-02 | 2011-04-16 | Via Tech Inc | Data storage device and method |
| CN102332290A (en) * | 2010-05-24 | 2012-01-25 | 慧荣科技股份有限公司 | Apparatuses for managing and accessing flash memory module |
| US20120054419A1 (en) * | 2010-08-27 | 2012-03-01 | Via Technologies, Inc. | Memory device and operating method thereof |
-
2012
- 2012-05-30 TW TW101119266A patent/TWI544334B/en active
- 2012-08-06 CN CN2012102778916A patent/CN103455437A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090164733A1 (en) * | 2007-12-21 | 2009-06-25 | Mips Technologies, Inc. | Apparatus and method for controlling the exclusivity mode of a level-two cache |
| WO2011031689A1 (en) * | 2009-09-14 | 2011-03-17 | Oracle International Corporation | Caching data between a database server and a storage system |
| TW201113702A (en) * | 2009-10-02 | 2011-04-16 | Via Tech Inc | Data storage device and method |
| CN101714065A (en) * | 2009-11-24 | 2010-05-26 | 西安奇维测控科技有限公司 | Method for managing mapping information of flash controller |
| CN102332290A (en) * | 2010-05-24 | 2012-01-25 | 慧荣科技股份有限公司 | Apparatuses for managing and accessing flash memory module |
| US20120054419A1 (en) * | 2010-08-27 | 2012-03-01 | Via Technologies, Inc. | Memory device and operating method thereof |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9684568B2 (en) | 2013-12-26 | 2017-06-20 | Silicon Motion, Inc. | Data storage device and flash memory control method |
| CN104750616A (en) * | 2013-12-26 | 2015-07-01 | 慧荣科技股份有限公司 | Data storage device and flash memory control method |
| CN104750625A (en) * | 2013-12-26 | 2015-07-01 | 慧荣科技股份有限公司 | Data storage device and flash memory control method |
| CN104750616B (en) * | 2013-12-26 | 2019-08-06 | 慧荣科技股份有限公司 | Data memory device and method for controlling flash memory |
| US9842030B2 (en) | 2013-12-26 | 2017-12-12 | Silicon Motion, Inc. | Data storage device and flash memory control method |
| CN104750625B (en) * | 2013-12-26 | 2017-10-03 | 慧荣科技股份有限公司 | Data memory device and method for controlling flash memory |
| US9727271B2 (en) | 2013-12-26 | 2017-08-08 | Silicon Motion, Inc. | Data storage device and flash memory control method |
| CN105426315A (en) * | 2014-09-02 | 2016-03-23 | 慧荣科技股份有限公司 | Method for maintaining entity storage comparison table and device using same |
| CN105426315B (en) * | 2014-09-02 | 2018-05-15 | 慧荣科技股份有限公司 | Method for maintaining entity storage comparison table and device using same |
| CN108733580A (en) * | 2014-09-05 | 2018-11-02 | 慧荣科技股份有限公司 | Method for scheduling read commands |
| CN104461384A (en) * | 2014-11-28 | 2015-03-25 | 华为技术有限公司 | Data write-in method and storage device |
| CN104461384B (en) * | 2014-11-28 | 2017-11-24 | 华为技术有限公司 | A kind of method for writing data and storage device |
| WO2016082559A1 (en) * | 2014-11-28 | 2016-06-02 | 华为技术有限公司 | Data writing method and storage device |
| CN107430546B (en) * | 2015-06-26 | 2020-04-21 | 华为技术有限公司 | File updating method and storage device |
| CN107430546A (en) * | 2015-06-26 | 2017-12-01 | 华为技术有限公司 | A kind of file updating method and storage device |
| CN106598876B (en) * | 2015-10-15 | 2020-02-14 | 慧荣科技股份有限公司 | Data storage device and data maintenance method thereof |
| CN106598876A (en) * | 2015-10-15 | 2017-04-26 | 慧荣科技股份有限公司 | Data storage device and data maintenance method thereof |
| CN106649144B (en) * | 2015-10-29 | 2021-03-12 | 爱思开海力士有限公司 | Data storage device and operation method thereof |
| CN106649144A (en) * | 2015-10-29 | 2017-05-10 | 爱思开海力士有限公司 | Data storage device and operating method thereof |
| CN107943711A (en) * | 2016-10-12 | 2018-04-20 | 慧荣科技股份有限公司 | Data storage device and data maintenance method thereof |
| CN108073359B (en) * | 2016-11-15 | 2021-01-08 | 慧荣科技股份有限公司 | Operation method of data storage device |
| CN108073359A (en) * | 2016-11-15 | 2018-05-25 | 慧荣科技股份有限公司 | Operation method of data storage device |
| CN108153480A (en) * | 2016-12-05 | 2018-06-12 | 北京京存技术有限公司 | A kind of data processing method based on NAND flash, storage device |
| TWI672590B (en) * | 2017-06-27 | 2019-09-21 | 慧榮科技股份有限公司 | Data storage device |
| US10437737B2 (en) | 2017-06-27 | 2019-10-08 | Silicon Motion, Inc. | Data storage device |
| CN109144886A (en) * | 2017-06-27 | 2019-01-04 | 慧荣科技股份有限公司 | Data storage device |
| CN109144886B (en) * | 2017-06-27 | 2022-11-11 | 慧荣科技股份有限公司 | Data storage device |
| CN109521944A (en) * | 2017-09-18 | 2019-03-26 | 慧荣科技股份有限公司 | data storage device and data storage method |
| CN109521944B (en) * | 2017-09-18 | 2022-09-30 | 慧荣科技股份有限公司 | Data storage device and data storage method |
| CN109671458A (en) * | 2017-10-17 | 2019-04-23 | 联发科技股份有限公司 | The method of management flash memory module and relevant flash controller |
| CN111338562A (en) * | 2018-12-18 | 2020-06-26 | 慧荣科技股份有限公司 | Data storage device and data processing method |
| CN111338562B (en) * | 2018-12-18 | 2023-06-09 | 慧荣科技股份有限公司 | Data storage device and data processing method |
| CN111596859A (en) * | 2019-02-20 | 2020-08-28 | 慧荣科技股份有限公司 | Data storage device and data processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201348958A (en) | 2013-12-01 |
| TWI544334B (en) | 2016-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103455437A (en) | Data storage device and data storage device operation method | |
| TWI516935B (en) | Data storage device and flash memory control method | |
| CN107111450B (en) | Disk partition stitching and rebalancing using partition tables | |
| CN102693184B (en) | Handling dynamic and static data for a system having a non-volatile memory | |
| US20140136767A1 (en) | Memory system having memory controller with cache memory and nvram and method of operating same | |
| CN109376123B (en) | Method for managing files, distributed storage system and management node | |
| CN104423894B (en) | Data memory device and method for controlling flash memory | |
| US11003625B2 (en) | Method and apparatus for operating on file | |
| CN103678145A (en) | Data storage device and flash memory control method | |
| KR101631348B1 (en) | Metadata redundancy schemes for non-volatile memories | |
| EP2530612B1 (en) | Mount-time unmapping of unused logical addresses in non-volatile memory systems | |
| US20130326121A1 (en) | Data-storage device and flash memory control method | |
| CN103646063B (en) | A kind of spaceborne high speed document management system | |
| US9928166B2 (en) | Detecting hot spots through flash memory management table snapshots | |
| CN102999431A (en) | Weave sequence counter for non-volatile memory systems | |
| CN103744614A (en) | Method for accessing solid state disc and solid state disc thereof | |
| CN103996412A (en) | Power-fail protection method applied to intelligent-card nonvolatile memories | |
| CN104079613A (en) | Method and system for multiple tenants to share application program objects | |
| CN103970787A (en) | Incremental updating and crawling technology | |
| US10083181B2 (en) | Method and system for storing metadata of log-structured file system | |
| WO2016106757A1 (en) | Method for managing storage data, storage manager and storage system | |
| CN104268097A (en) | Metadata processing method and system | |
| CN104199687A (en) | Method and device for processing data in virtual machine system | |
| CN103412779A (en) | Patch file system implementation method of embedded real-time operating system | |
| JP2004062851A (en) | Storage system for directly and redundantly writable nonvolatile memory without needing use of redundant field, and writing method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |