CN103279366B - Method based on solid state hard disc quick turn-on after solid state hard disc and power down - Google Patents
Method based on solid state hard disc quick turn-on after solid state hard disc and power down Download PDFInfo
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Abstract
A kind of solid state hard disc, rapid starting up after power-off, including: read module is from fixed position reading physics of failure block, and the marked region of the Physical Page sequentially read in the groove in addition to described physics of failure block in physical block obtains logical address；Judge module decision logic address is the most identical with the initial value of first order mapping table counterlogic block；More new module updates the physical block address in first order mapping table when logical address is identical with the initial value of first order mapping table counterlogic block；Searching module utilizes binary chop to find last Physical Page often organizing physical block one by one, and the most more new module updates the Physical Page information in first order mapping table according to last Physical Page of the bigger physical block of groove label；Recover module and boot up recovery according to the first order mapping table after updating and physics of failure block.The present invention recovers by concentrating first order mapping table, the efficiency recovered of starting shooting after effectively raising power down.
Description
Technical field
The present invention relates to computer and electronic information technical field, method based on solid state hard disc quick turn-on after particularly relating to solid state hard disc and power down.
Background technology
In solid-state memory system, the read-write least unit of flash memory (Nand Flash) granule is page (page), and the least unit wiped is block (block), and generally block is made up of 256 page.Because the characteristic of NAND Flash, need by FTL(Flash translation layer) NAND Flash Array is managed, thus realize the transparence to application layer operation, to ensure integrity and the correctness of user data under any situation.The general FTL that passes through maintains the logical address mapping table (L2P table) to physical address in internal memory, mainly there are two kinds of mapping methods: block maps (in units of block) and page maps (in units of page), main frame is it is seen that logical address, and its concrete data then exist in actual physical address.Three grades of mappings are that a kind of existing page maps the mixed-use developments method having again block to map.First order mapping table is that block mapping is left in internal memory, one logical block comprises several logical page addresses (main frame is paid close attention to), effect is the mapping that logical block arrives physical page address, label (meta) region of this Physical Page contain logical block in the position of up-to-date map information of all logical page (LPAGE)s；The second level and third level mapping table are page and map, leave in the meta space of Physical Page, the second level map be from first order map index to Physical Page read out, the position at the up-to-date map information place of logical block certain group logical page (LPAGE) interior can be indexed, the third level maps and indexes from the second level, can directly obtain the physical address at logical page (LPAGE) place.During each write operation, it is necessary to write in the middle of Physical Page after the map information after change is left in meta region.
When after solid state hard disc power down, leave the map information in internal memory in can lose, so needing after again powering on to recover these information, updating mapping table by the information of marked region (meta) on scanning Physical Page, after only returning to the situation before power down, just can carry out normal read-write operation.Existing technology mainly concentrates in the start recovery mapping page, and three grades of starts mapped recover to there is the biggest difference.
Summary of the invention
In view of this, it is necessary to a kind of method based on solid state hard disc quick turn-on after solid state hard disc and power down are provided.
The present invention provides a kind of solid state hard disc, rapid starting up after power-off, in wherein said solid state hard disc, storage has three grades of mapping tables, described three grades of mapping tables are the logical page (LPAGE) mapping table to Physical Page, including the slot value residing for logical block up-to-date map information place physical page address, Physical Page, and the state value of current groove, including: read module, judge module, more new module, search module and recover module.Read module, for reading physics of failure block from fixed position, the marked region of the Physical Page sequentially read in the groove in addition to described physics of failure block in physical block obtains logical address, and wherein, described physics of failure block is the physical block losing storage function；Judge module is for judging that described logical address is the most identical with the initial value of described first order mapping table counterlogic block；More new module is for updating the physical block address in described first order mapping table when described logical address is identical with the initial value of described first order mapping table counterlogic block；Search module for being found last Physical Page often organizing physical block one by one by binary chop, and update the Physical Page information of described first order mapping table according to last Physical Page of the bigger physical block of groove label；Recover module for booting up recovery according to the first order mapping table after described renewal and described physics of failure block.
The present invention is method based on solid state hard disc quick turn-on after providing a kind of power down, in wherein said solid state hard disc, storage has three grades of mapping tables, described three grades of mapping tables are the logical page (LPAGE) mapping table to Physical Page, including the slot value residing for logical block up-to-date map information place physical page address, Physical Page, and the state value of current groove: physics of failure block is read from fixed position, wherein, described physics of failure block is the physical block losing storage function；The marked region of the Physical Page sequentially read in the current groove in addition to described physics of failure block in physical block obtains logical address；Judge that described logical address is the most identical with the initial value of described first order mapping table counterlogic block；If described logical address is identical with the initial value of described first order mapping table counterlogic block, then update the physical block address in described first order mapping table；Last Physical Page often organizing physical block is found one by one by binary chop；And the Physical Page information of described first order mapping table is updated according to last Physical Page of the bigger physical block of groove label；Recovery is booted up according to the first order mapping table after described renewal.
Method based on solid state hard disc quick turn-on after the solid state hard disc of present invention offer and power down, recovers by concentrating first order mapping table, the efficiency recovered of starting shooting after effectively raising power down.
Accompanying drawing explanation
Fig. 1 is the module map of solid state hard disc in an embodiment of the present invention；
Fig. 2 is the method for salary distribution of data in solid state hard disc in the present invention；
Fig. 3 is the renewal schematic diagram of first order mapping table in the present invention；
Fig. 4 is to process the schematic diagram of the situation that power down occurs in garbage collection procedure in the present invention；
Fig. 5 is the flow chart of method based on solid state hard disc quick turn-on after power down in an embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, term " interior ", " outward ", " longitudinally ", " laterally ", " on ", D score, " top ", the orientation of the instruction such as " end " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention rather than requires that therefore the present invention must be not considered as limiting the invention with specific azimuth configuration and operation.
Refer to Fig. 1, Fig. 1 and show the module map of solid state hard disc 10 in an embodiment of the present invention.
In the present embodiment, solid state hard disc 10 includes read module 102, judge module 104, more new module 106, searches module 108, recovery module 110, erasing module 112, recycling module 114, memory module 116 and processor 118, wherein, memory module 116 is used for storing read module 102, judge module 104, more new module 106, searching module 108, recovery module 110, erasing module 112 and recycling module 114, and processor 118 is for performing each functional module in memory module 116.
In the present embodiment, solid state hard disc 10 is rapid starting up after power-off, in wherein said solid state hard disc, storage has three grades of mapping tables, described three grades of mapping tables are the logical page (LPAGE) mapping table to Physical Page, including the slot value residing for logical block up-to-date map information place physical page address, Physical Page, and the state value of current groove.
Read module 102, for reading physics of failure block, the marked region of the Physical Page sequentially read in the groove in addition to described physics of failure block in physical block from fixed position, obtains logical address, and wherein, described physics of failure block is the physical block losing storage function.
Judge module 104 is for judging that described logical address is the most identical with the initial value of described first order mapping table counterlogic block.
More new module 106 is for updating the physical block address in described first order mapping table when described logical address is identical with the initial value of described first order mapping table counterlogic block.
Search module 108 for being found last Physical Page often organizing physical block one by one by binary chop, and update described first order mapping table according to last Physical Page of the bigger physical block of groove label.
Recover module 110 for booting up recovery according to the first order mapping table after described renewal and described physics of failure block.
In the present embodiment, described judge module 104 is additionally operable to when the initial value of described logical address Yu described first order mapping table counterlogic block differs, it is judged that the flag bit of current groove is the most consistent with the flag bit in first order mapping table.
In the present embodiment, described more new module 106 is additionally operable to when the flag bit of described current groove is consistent with described first order mapping table, is the groove information in described marked region by the groove information updating in described first order mapping table.
In the present embodiment, described read module 102 is additionally operable to when the flag bit of current groove is inconsistent with the flag bit in first order mapping table, by reading the time size discrimination source physical block of record and purpose physical block in the normal writing process in the marked region in the first Physical Page in physical block, and read the logical address in the marked region in last Physical Page of described source physical block and last Physical Page of purpose physical block.
In the present embodiment, it is judged that whether the logical address that module 104 is additionally operable to judge in last Physical Page of described source physical block is equal to the logical address in last Physical Page of described purpose physical block.
In the present embodiment, erasing module 112 wipes described source physical block when the logical address in last Physical Page of described source physical block is equal to the logical address in last Physical Page of described purpose physical block.
In the present embodiment, garbage reclamation process is carried out later having powered on during logical address in last Physical Page more than described purpose physical block of the logical address in last Physical Page of described source physical block of recycling module 114.
Refer to Fig. 2, Fig. 2 and show in an embodiment of the present invention the method for salary distribution of data before power down.
In the present embodiment, physical block 0 is the physical block of solid state hard disc 10 to physical block N.Such as at (storage) district (LPA that is linked and packed, Link Pack Area) write during, a physical block can be all applied for from four grooves (bank), according to the page 0 from the page 0 of groove 0 to groove 3, the then page 1 of groove 0, the like, again apply for after one group of four physical block is write completely, according to three grades of principles mapped, the Physical Page of last write is the latest position depositing second level map information, so to find.
Refer to Fig. 3, Fig. 3 and show the renewal schematic diagram of first order mapping table in an embodiment of the present invention.
In the present embodiment, because a logical block may correspond to several groups of physics, so to determine who is first after whom, (certain first order maps in dial plate can comprise this information) is compared by comparing the groove label (Slot_idx) in the marked region in the Physical Page read out and status information (Sp_state), this adds when writing data, it is simply that be used for the recovery that powers on.
Refer to Fig. 4, Fig. 4 and show in an embodiment of the present invention the situation schematic diagram that in process garbage collection procedure, power down occurs.
In the present embodiment, garbage reclamation occurs in the case of physical block deficiency, (logical page (LPAGE) that this logical block is replicated is most to select some logical block, therefore the space spared is most) in all effective data-movings to another set physical block, if power down during this, two Sp_state different physical block groups will occur, so needing to distinguish according to record TIME in Meta, who be the source of garbage reclamation data-moving and who be destination.
In the present embodiment, often do a garbage reclamation, then the value of status information (Sp_state) is negated.
Refer to Fig. 5, Fig. 5 and show in an embodiment of the present invention the flow chart of method based on solid state hard disc 10 quick turn-on after power down.
In the present embodiment, in described solid state hard disc 10, storage has three grades of mapping tables, described three grades of mapping tables are the logical page (LPAGE) mapping table to Physical Page, including the slot value residing for logical block up-to-date map information place physical page address, Physical Page, and the state value of current groove.
In the present embodiment, after power down, method based on solid state hard disc quick turn-on comprises the following steps:
In step S202, read module 102 reads physics of failure block from fixed position, and wherein, described physics of failure block is the physical block losing storage function.
In step S204, the marked region of the Physical Page that read module 102 sequentially reads in the current groove in addition to described physics of failure block in physical block obtains logical address.
In step S206, it is judged that module 104 judges that described logical address is the most identical with the initial value of described first order mapping table counterlogic block.
If described logical address is identical with the initial value of described first order mapping table counterlogic block, then in step S208, more new module 106 updates the physical block address in described first order mapping table, groove label and status information.
In step S210, search module 108 and find, by binary chop, last Physical Page often organizing physical block one by one.
Described first order mapping table is updated according to last Physical Page of the bigger physical block of groove label in step S212, more new module 106.
In step S214, recover module 114 and boot up recovery according to the first order mapping table after described renewal.
In step S206, if the initial value of described logical address and described first order mapping table counterlogic block differs, then in step S216, it is judged that module 104 judges that the flag bit of current groove is the most consistent with the flag bit in first order mapping table.
If the flag bit of current groove is consistent with the flag bit in first order mapping table, then in step S218, the groove information of described marked region is deposited in described first order mapping table by more new module 106 with the greater in the groove information in described first order mapping table.Subsequently into step S210, do not repeat at this.
If the flag bit of current groove is inconsistent with the flag bit in first order mapping table, then in step S220, read module 102 is by reading the time size discrimination source physical block of record and purpose physical block in the normal writing process in the marked region in the first Physical Page in physical block.
In step S222, search module 108 and utilize binary chop to find out described source physical block and last Physical Page of described purpose physical block respectively.
In step S224, lookup module 108 reads the logical address in the marked region of last Physical Page of described source physical block and last Physical Page of purpose physical block.
In step S226, it is judged that module 104 judge the logical address of last Physical Page of described source physical block with whether the logical address of last Physical Page equal to described purpose physical block.
If the logical address of last Physical Page of described source physical block is equal to the logical address of last Physical Page of described purpose physical block, then in step S228, erasing module 112 wipes described source physical block.
If the logical address of last Physical Page of described source physical block is not equal to the logical address of last Physical Page of described purpose physical block, and it is greater than the logical address of last Physical Page of described purpose physical block, then in step S230, recycling module 114 carries out garbage reclamation process later having powered on.
The present invention is method based on solid state hard disc quick turn-on after providing the solid state hard disc 10 in embodiment and power down, recovers by concentrating first order mapping table, the efficiency recovered of starting shooting after effectively raising power down.
Although the present invention is described with reference to current better embodiment; but those skilled in the art will be understood that; above-mentioned better embodiment is only used for the present invention is described; not it is used for limiting protection scope of the present invention; any within the scope of the spirit and principles in the present invention; any modification of being done, equivalence replacement, improvement etc., within should be included in the scope of the present invention.
Claims (10)
1. a solid state hard disc, rapid starting up after power-off, in wherein said solid state hard disc, storage has three grades of mapping tables, three grades of mappings are that a kind of existing page maps the mixed-use developments method having again block to map, first order mapping table is that block mapping is left in internal memory, one logical block comprises several logical page addresses, and effect is the mapping that logical block arrives physical page address, the label meta region of this Physical Page contain logical block in the position of up-to-date map information of all logical page (LPAGE)s；The second level and the 3rd
Level mapping table is page and maps, and leaves in the meta space of Physical Page；Described three grades of mapping tables are the logical page (LPAGE) mapping table to Physical Page, including the slot value residing for logical block up-to-date map information place physical page address, Physical Page, and the state value of current groove, it is characterised in that described solid state hard disc includes:
Read module, for reading physics of failure block, the marked region of the Physical Page sequentially read in the groove in addition to described physics of failure block in physical block from fixed position, obtains logical address, and wherein, described physics of failure block is the physical block losing storage function；
Judge module, for judging that described logical address is the most identical with the initial value of the first order mapping table counterlogic block of described three grades of mapping tables；
More new module, for updating the physical block address in described first order mapping table when described logical address is identical with the initial value of described first order mapping table counterlogic block；
Searching module, often organize last Physical Page of physical block for utilizing binary chop to find one by one, wherein said more new module is additionally operable to last Physical Page of the physical block bigger according to groove label and updates the Physical Page information in described first order mapping table；
Recover module, for booting up recovery according to the first order mapping table after described renewal.
2. solid state hard disc as claimed in claim 1, it is characterized in that, described judge module is additionally operable to when the initial value of described logical address Yu described first order mapping table counterlogic block differs, it is judged that the flag bit of current groove is the most consistent with the flag bit in described first order mapping table.
3. solid state hard disc as claimed in claim 2, it is characterized in that, described read module is additionally operable to when the flag bit of current groove is inconsistent with the flag bit in described first order mapping table by reading the time size discrimination source physical block of record and purpose physical block in the normal writing process in the marked region in the first Physical Page in physical block, and reads the logical address in the marked region in last Physical Page of described source physical block and last Physical Page of described purpose physical block；
Whether the logical address that described judge module is additionally operable to judge in last Physical Page of described source physical block is equal to the logical address in last Physical Page of described purpose physical block.
4. solid state hard disc as claimed in claim 3, it is characterised in that also include:
Erasing module, wipes described source physical block when the logical address in last Physical Page of described source physical block is equal to the logical address in last Physical Page of described purpose physical block.
5. solid state hard disc as claimed in claim 4, it is characterised in that also include:
Recycling module, carries out garbage reclamation process when the logical address in last Physical Page of described source physical block is more than the logical address in last Physical Page of described purpose physical block after having powered on.
6. solid state hard disc as claimed in claim 2, it is characterized in that, it is the groove information in described marked region that described more new module is additionally operable to the groove information updating in described first order mapping table when the flag bit of described current groove is consistent with the flag bit in described first order mapping table.
7. method based on solid state hard disc quick turn-on after a power down, in wherein said solid state hard disc, storage has three grades of mapping tables, three grades of mappings are that a kind of existing page maps the mixed-use developments method having again block to map, first order mapping table is that block mapping is left in internal memory, one logical block comprises several logical page addresses, effect is the mapping that logical block arrives physical page address, the label meta region of this Physical Page contain logical block in the position of up-to-date map information of all logical page (LPAGE)s；The second level and third level mapping table are page and map, and leave in the meta space of Physical Page；Described three grades of mapping tables are the logical page (LPAGE) mapping table to Physical Page, including the slot value residing for logical block up-to-date map information place physical page address, Physical Page, and the state value of current groove, it is characterised in that said method comprising the steps of:
Read physics of failure block from fixed position, wherein, described physics of failure block is the physical block losing storage function；
The marked region of the Physical Page sequentially read in the current groove in addition to described physics of failure block in physical block, obtains logical address；
Judge that described logical address is the most identical with the initial value of the first order mapping table counterlogic block of described three grades of mapping tables；
If described logical address is identical with the initial value of described first order mapping table counterlogic block, then update the physical block address in described first order mapping table, groove label and status information；
Last Physical Page often organizing physical block is found one by one by binary chop；And
Last Physical Page according to the bigger physical block of groove label updates the Physical Page information of described first order mapping table；
Recovery is booted up according to the first order mapping table after described renewal and described physics of failure block.
8. method based on solid state hard disc quick turn-on after power down as claimed in claim 7, it is characterised in that also include:
If described logical address differs with the initial value of described first order mapping table counterlogic block, then judge that the flag bit of current groove is the most consistent with the flag bit in first order mapping table；
If the flag bit of current groove is consistent with the flag bit in first order mapping table, then the greater in the groove information of the groove information of described marked region and described first order mapping table is deposited in described first order mapping table.
9. method based on solid state hard disc quick turn-on after power down as claimed in claim 8, it is characterised in that also include:
If the flag bit of current groove is inconsistent with the flag bit in first order mapping table, then by reading the time size discrimination source physical block and purpose physical block recorded in the normal writing process of the marked region of the first Physical Page of physical block；
Read the logical address of the marked region of last Physical Page of described source physical block and last Physical Page of described purpose physical block；
Compare the logical address of last Physical Page of described source physical block and the logical address of last Physical Page of described purpose physical block；
If the logical address of last Physical Page of described source physical block is equal to the logical address of last Physical Page of described purpose physical block, then wipe described source physical block.
10. method based on solid state hard disc quick turn-on after power down as claimed in claim 9, it is characterised in that also include:
If the logical address of last Physical Page of described source physical block is more than the logical address of last Physical Page of described purpose physical block, then after having powered on, carry out garbage reclamation process.
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| CN112765006B (en) * | 2015-07-21 | 2024-09-03 | 北京忆恒创源科技股份有限公司 | Solid state disk log generation method and solid state disk thereof |
| CN106354658B (en) * | 2016-08-29 | 2019-02-01 | 成都三零嘉微电子有限公司 | A method of it reducing mapping table memory source in mixed-use developments algorithm and occupies |
| CN107301073B (en) * | 2017-06-23 | 2021-06-15 | 郑州云海信息技术有限公司 | Configuration information retrieval method and device based on solid state disk system |
| CN107632944B (en) * | 2017-09-22 | 2021-06-18 | 郑州云海信息技术有限公司 | Method and device for reading data |
| CN108804033B (en) * | 2018-05-18 | 2021-04-20 | 记忆科技(深圳)有限公司 | Full-disk scanning method and device based on power-off continuation, computer equipment and medium |
| CN111625393B (en) * | 2020-05-22 | 2022-06-17 | 浪潮电子信息产业股份有限公司 | L2P table verification method, device, equipment and readable storage medium |
| CN112100091B (en) * | 2020-09-17 | 2024-06-11 | 深圳佰维存储科技股份有限公司 | Two-level mapping table data mapping method and device, storage medium and electronic equipment |
| CN113094294B (en) * | 2021-04-12 | 2024-02-13 | 深圳忆联信息系统有限公司 | SSD abnormal power failure processing method, SSD abnormal power failure processing device, computer equipment and storage medium |
| CN116467224B (en) * | 2022-01-12 | 2023-10-31 | 联芸科技(杭州)股份有限公司 | L2P mapping table reconstruction method and solid state disk |
| CN115563026B (en) * | 2022-12-07 | 2023-04-14 | 合肥康芯威存储技术有限公司 | Mapping table reconstruction method and data storage device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819496A (en) * | 2012-08-16 | 2012-12-12 | 无锡紫芯集成电路系统有限公司 | Address translation method of flash FTL (Flash Translation Layer) |
| CN102902637A (en) * | 2012-11-19 | 2013-01-30 | 北京理工大学 | Solid-state hard disk data power-off protection method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8381018B2 (en) * | 2010-05-21 | 2013-02-19 | Mediatek Inc. | Method for data recovery for flash devices |
-
2013
- 2013-04-24 CN CN201310143545.3A patent/CN103279366B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819496A (en) * | 2012-08-16 | 2012-12-12 | 无锡紫芯集成电路系统有限公司 | Address translation method of flash FTL (Flash Translation Layer) |
| CN102902637A (en) * | 2012-11-19 | 2013-01-30 | 北京理工大学 | Solid-state hard disk data power-off protection method |
Non-Patent Citations (2)
| Title |
|---|
| A Superblock-based Flash Translation Layer for NAND Flash Memory;Jeong-UK Kang et al.;《ACM Transactions on Embedded Computing Systems》;20061031;第9卷(第4期);第161-170页 * |
| 固态硬盘的闪存转换层映射策略研究;侯奎;《中国优秀硕士学位论文全文数据库 信息科技辑》;20130315(第3期);I137-57 * |
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