CN103425605A - Solid-state disk power failure protection and quick start method and system - Google Patents
Solid-state disk power failure protection and quick start method and system Download PDFInfo
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- CN103425605A CN103425605A CN201310319537XA CN201310319537A CN103425605A CN 103425605 A CN103425605 A CN 103425605A CN 201310319537X A CN201310319537X A CN 201310319537XA CN 201310319537 A CN201310319537 A CN 201310319537A CN 103425605 A CN103425605 A CN 103425605A
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Abstract
The invention belongs to the field of data security and provides a solid-state disk power failure protection and quick start method and system. The method includes the steps that an address mapping subarea used for storing logic and physical address mapping tables is formed in a solid-state disk, address mapping updating tables are established in a memory, and the logic and physical address mapping tables are established in the address mapping subarea of the solid-state disk; in the process of data operation of the solid-state disk, logic and physical address mapping relations are written into the address mapping updating tables; in power failure of a system, the address mapping updating tables in the memory are saved into the address mapping subarea of the solid-state disk. Therefore, the solid-state disk power failure protection and quick start method and system can improve data security of the solid-state disk and quicken start of the solid-state disk.
Description
Technical field
The present invention relates to the data security field, more particularly relate to a kind of power-off protection of solid state disk and quick start method, system.
Background technology
Solid state hard disc (Solid State Disk is called for short SSD) is a kind of permanent memory, and it is the same with flash memory, volatile memory and Synchronous Dynamic Random Access Memory (SDRAM) etc., can be used as the computing machine External memory equipment.It is fast that solid state hard disc has read or write speed, low-power consumption, noiselessness, anti-vibration, low in calories, volume is little, the advantage that working range is large, be widely used in the fields such as military affairs, vehicle-mounted, industry control, video monitoring, network monitoring, the network terminal, electric power, medical treatment, aviation etc., navigator.
Solid state hard disc is used flash translation layer (FTL) (FTL) that address mapping table (being logical address and physical address map relation) is provided, and when solid state hard disc powers on, need to read this address mapping table.In large capacity solid state disk, address mapping table also can be larger, reaches hundreds of MB or several GB, when powered-off fault, is difficult to this table is write in solid state hard disc rapidly.In order to improve the solid state hard disc data security, usually adopt large bulk capacitance that sufficient electric weight is provided, free writing address mapping table while making the solid state hard disc power down.But, along with the solid state hard disc capacity constantly increases, this scheme needs larger electric capacity, so have obvious defect, solid state hard disc hardware has been proposed to lot of challenges.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide a kind of power-off protection of solid state disk and quick start method, system, can improve the startup of solid state hard disc data security and quickening solid state hard disc.
To achieve these goals, the invention provides a kind of power-off protection of solid state disk and quick start method, comprising:
Divide the mapping of the address for a stored logic physical address mapping table subregion in solid state hard disc,
Set up address map updating table in internal memory, and in the described logical physical address mapping table of the address of described solid state hard disc mapping partition creating;
When solid state hard disc carries out data manipulation, the logical physical address mapping relation is write in the map updating table of described address;
When system power failure, the address map updating table in described internal memory is saved in the address mapping subregion of described solid state hard disc.
According to power-off protection of solid state disk of the present invention and quick start method, the step that the logical physical address mapping relation is write in the map updating table of described address also comprises afterwards:
When the address map updating table size in described internal memory and/or address map updating table quantity surpass predetermined threshold value, the address map updating table in described internal memory is saved in the address mapping subregion of solid state hard disc.
According to power-off protection of solid state disk of the present invention and quick start method, described method also comprises:
When system powers on, according to logical physical address mapping table and described address map updating table in address mapping subregion, upgrade described logical physical address mapping table.
According to power-off protection of solid state disk of the present invention and quick start method, described method also comprises:
When the system normal shutdown, according to the quantity of map updating table in address in described internal memory and size, determine address map updating table in described internal memory is write in the address mapping subregion of described solid state hard disc or upgrades logical physical address mapping table in described address mapping subregion according to address map updating table in described internal memory.
According to power-off protection of solid state disk of the present invention and quick start method, divide a step for the subregion of stored logic physical address mapping table in solid state hard disc,
Described partition size is determined by address mapping mode and solid state hard disc amount of capacity; The solid state hard disc capacity is larger, and described subregion is larger.
Corresponding a kind of power-off protection of solid state disk and the quick start system of providing of the present invention, described system comprises:
The partition management module, for dividing the mapping of the address for a stored logic physical address mapping table subregion at solid state hard disc;
The address mapping table administration module, for setting up address map updating table at internal memory and shining upon the described logical physical address mapping table of partition creating in the address of described solid state hard disc, and, for when solid state hard disc carries out data manipulation, the logical physical address mapping relation is write in the map updating table of described address;
The power down protection module, during for system power failure, be saved to the address map updating table in described internal memory in the address mapping subregion of described solid state hard disc.
According to power-off protection of solid state disk of the present invention and quick start system; when described address mapping table administration module also surpasses predetermined threshold value for the address map updating table size when described internal memory and/or address map updating table quantity, the address map updating table in described internal memory is saved in the address mapping subregion of solid state hard disc.
According to power-off protection of solid state disk of the present invention and quick start system; described system also comprises the startup module; for when system powers on, according to logical physical address mapping table and described address map updating table in address mapping subregion, upgrade described logical physical address mapping table.
According to power-off protection of solid state disk of the present invention and quick start system; described power down module is also for when the system normal shutdown, according to the quantity of map updating table in address in described internal memory and size, determines address map updating table in described internal memory is write in the address mapping subregion of described solid state hard disc or upgrades logical physical address mapping table in described address mapping subregion according to address map updating table in described internal memory.
According to power-off protection of solid state disk of the present invention and quick start system, described address mapping partition size is determined by address mapping mode and solid state hard disc amount of capacity; The solid state hard disc capacity is larger, and described address mapping subregion is larger.
The present invention divides one for preserving the address mapping subregion of logical physical address mapping table in solid state hard disc, and create address map updating table in internal memory, when carrying out data manipulation, the address map updating table of only revising in internal memory gets final product, and the address mapping subregion that the address map updating table in internal memory is saved to solid state hard disc when system power failure gets final product.Because the address map updating table in internal memory is little a lot of with respect to the logical physical address mapping table, although the capacitances to supply power limited time of solid state hard disc, but because the address map updating table data of not preserving are very little, the address map updating table that system will not preserved if having time writes in the address mapping subregion of solid state hard disc, there do not is the situation of power down information loss of data, improved data security; Owing to the situation of loss of data can not occur, power on and only need scan address mapping subregion to get final product, and do not need to carry out the data recovery, the solid state hard disc power-on time may be less than 1 second, has reduced the start-up time of solid state hard disc.Whereby, the present invention can improve the startup of solid state hard disc data security and quickening solid state hard disc.
The accompanying drawing explanation
The theory diagram that Fig. 1 is power-off protection of solid state disk of the present invention and quick start system;
The process flow diagram that Fig. 2 is power-off protection of solid state disk of the present invention and quick start method.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of power-off protection of solid state disk of the present invention and quick start system 100, this system 100 comprises: partition management module 10, address mapping table administration module 20, power down protection module 30 and startup module 40.Wherein this system can be built in the software and/or hardware of solid state hard disc.Module can be used as and comprises that gate array, semiconductor or other hardware circuits implement, and module also can be in enforcement in programmable hardware device (such as field programmable gate array, programmable logic array, programmable logic device) etc.Module also can in software, implement with by various types of processors from execution, if the part of module or module is implemented in software, software section is stored on one or more computer-readable mediums.
Address mapping table administration module 20, for setting up address map updating table at internal memory and shining upon partition creating logical physical address mapping table in the address of solid state hard disc, and for when solid state hard disc carries out data manipulation, by logical physical address mapping relation writing address map updating table.For example when data, write fashionablely, address mapping relation is write direct in the map updating table of address.
Power down protection module 30, during for system power failure, be saved to the address map updating table in internal memory in the address mapping subregion of described solid state hard disc.
Start module 40, for when system powers on, according to logical physical address mapping table and address map updating table in address mapping subregion, upgrade the logical physical address mapping table.
The present invention divides for preserving the address mapping subregion of logical physical address mapping table in solid state hard disc, and create address map updating table in internal memory, when carrying out data manipulation, the address map updating table of only revising in internal memory gets final product, and the address mapping subregion that the address map updating table in internal memory is saved to solid state hard disc when system power failure gets final product.Because the address map updating table in internal memory is little a lot of with respect to the logical physical address mapping table, although the capacitances to supply power limited time of solid state hard disc, but because the address map updating table data of not preserving are very little, the address map updating table that system will not preserved if having time writes in the address mapping subregion of solid state hard disc, there do not is the situation of power down information loss of data, improved data security; Owing to the situation of loss of data can not occur, power on and only need scan address mapping subregion to get final product, and do not need to carry out the data recovery, the solid state hard disc power-on time may be less than 1 second, has reduced the start-up time of solid state hard disc.Whereby, the present invention can improve the startup of solid state hard disc data security and quickening solid state hard disc.
Preferably, when address map updating table size and/or address map updating table quantity surpass predetermined threshold value, address mapping table administration module 20 is saved to the address map updating table in internal memory in the address mapping subregion of solid state hard disc.This threshold value data volume that the solid state hard disc capacitances to supply power time can transmit according to power down the time is determined.Thereby the address map updating table quantity of the preservation in internal memory and size in a default scope, can guarantee if having time all address map updating tables all to be saved to when power down in the address mapping subregion of solid state hard disc all the time, have improved data security.In addition, in the situation that not power down of system, when address map updating table is saved to the address mapping subregion of solid state hard disc, in the logical physical address mapping table that address map updating table is updated to address mapping subregion that can be synchronous, during the address map updating table that perhaps address is shone upon to subregion within a default time period is updated to the logical physical address mapping table, to guarantee the real-time of logical physical address mapping table.
Preferably; power down protection module 30 is also for when the system normal shutdown, according to the quantity of map updating table in address in internal memory and size, determines address map updating table in internal memory is write in the address mapping subregion of solid state hard disc or according to logical physical address mapping table in address map updating table scheduler mapping subregion in internal memory.Concrete, when the system normal shutdown, if the quantity of the address mapping table in internal memory or size surpass default threshold value, cause only this address mapping table to be saved in the unused time section in address mapping subregion, so for guaranteeing data security, only this address map updating table is saved in address mapping subregion, and according to address map updating table, does not upgrade the logical physical address mapping table; Perhaps during the system normal shutdown, if the quantity of the address mapping table in internal memory or size do not surpass default threshold value (negligible amounts or the size that are the address mapping table in internal memory are less), this address mapping table can be saved in the unused time section in address mapping subregion, and upgrade the logical physical address mapping table according to address map updating table.
According to an Application Example of the present invention, when solid state hard disc carries out data when writing, the address map updating table that address mapping table administration module 20 is revised in internal memory, in internal memory, the size of address map updating table or quantity surpass default threshold value, the address map updating table in internal memory is saved in the address mapping subregion of solid state hard disc, and in real time or within the default time period according to the renewal logical physical address mapping table of this address map updating table.When the system exception power down; power down protection module 30 is saved to the address map updating table in internal memory in the address mapping subregion of solid state hard disc; quantity and big or small remaining in a default threshold value due to the address map updating table in internal memory; within the solid state hard disc capacitances to supply power time period; can fully the address map updating table in internal memory be saved in the address mapping subregion of solid state hard disc, guarantee data security.When the system normal shutdown, power down protection module 30 is determined address map updating table in internal memory is write in the address mapping subregion of solid state hard disc or according to logical physical address mapping table in address map updating table scheduler mapping subregion in internal memory according to the quantity of map updating table in address in internal memory and size.
As shown in Figure 2, the present invention also provides a kind of power-off protection of solid state disk and quick start method, and it is by system 100 realizations as shown in Figure 1, and the method comprises:
Step S201 divides the mapping of the address for a stored logic physical address mapping table subregion in solid state hard disc.Mapping partition size in address is determined by address mapping mode and solid state hard disc amount of capacity; The solid state hard disc capacity is larger, and address mapping subregion is larger.This step realizes by partition management module 10.
Step S202 sets up address map updating table in internal memory, and in the address of solid state hard disc mapping partition creating logical physical address mapping table.This step realizes by address mapping table administration module 20.
Step S203, when solid state hard disc carries out data manipulation, by logical physical address mapping relation writing address map updating table.This step realizes by address mapping table administration module 20.
Step S204, when system power failure, be saved to the address map updating table in internal memory in the address mapping subregion of solid state hard disc.This step realizes by power down protection module 30.
Preferably, the method also comprises: when system powers on, according to logical physical address mapping table and described address map updating table in address mapping subregion, upgrade described logical physical address mapping table.
Preferably, the method also comprises: when the system normal shutdown, according to the quantity of map updating table in address in described internal memory and size, determine address map updating table in described internal memory is write in the address mapping subregion of described solid state hard disc or upgrades logical physical address mapping table in described address mapping subregion according to address map updating table in described internal memory.
Preferably, after step S203, also comprise: when the address map updating table size in internal memory and/or address map updating table quantity surpass predetermined threshold value, the address map updating table in internal memory is saved in the address mapping subregion of solid state hard disc.
In sum, the present invention divides one for preserving the address mapping subregion of logical physical address mapping table in solid state hard disc, and create address map updating table in internal memory, when carrying out data manipulation, the address map updating table of only revising in internal memory gets final product, and the address mapping subregion that the address map updating table in internal memory is saved to solid state hard disc when system power failure gets final product.Because the address map updating table in internal memory is little a lot of with respect to the logical physical address mapping table, although the capacitances to supply power limited time of solid state hard disc, but because the address map updating table data of not preserving are very little, the address map updating table that system will not preserved if having time writes in the address mapping subregion of solid state hard disc, there do not is the situation of power down information loss of data, improved data security; Owing to the situation of loss of data can not occur, power on and only need scan address mapping subregion to get final product, and do not need to carry out the data recovery, the solid state hard disc power-on time may be less than 1 second, has reduced the start-up time of solid state hard disc.Whereby, the present invention can improve the startup of solid state hard disc data security and quickening solid state hard disc.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a power-off protection of solid state disk and quick start method, is characterized in that, comprising:
Divide the mapping of the address for a stored logic physical address mapping table subregion in solid state hard disc,
Set up address map updating table in internal memory, and in the described logical physical address mapping table of the address of described solid state hard disc mapping partition creating;
When solid state hard disc carries out data manipulation, the logical physical address mapping relation is write in the map updating table of described address;
When system power failure, the address map updating table in described internal memory is saved in the address mapping subregion of described solid state hard disc.
2. power-off protection of solid state disk according to claim 1 and quick start method, is characterized in that, the step that the logical physical address mapping relation is write in the map updating table of described address also comprises afterwards:
When the address map updating table size in described internal memory and/or address map updating table quantity surpass predetermined threshold value, the address map updating table in described internal memory is saved in the address mapping subregion of solid state hard disc.
3. power-off protection of solid state disk according to claim 1 and quick start method, is characterized in that, described method also comprises:
When system powers on, according to logical physical address mapping table and described address map updating table in address mapping subregion, upgrade described logical physical address mapping table.
4. power-off protection of solid state disk according to claim 1 and quick start method, is characterized in that, described method also comprises:
When the system normal shutdown, according to the quantity of map updating table in address in described internal memory and size, determine address map updating table in described internal memory is write in the address mapping subregion of described solid state hard disc or upgrades logical physical address mapping table in described address mapping subregion according to address map updating table in described internal memory.
5. power-off protection of solid state disk according to claim 1 and quick start method, is characterized in that, divides a step for the subregion of stored logic physical address mapping table in solid state hard disc,
Described partition size is determined by address mapping mode and solid state hard disc amount of capacity; The solid state hard disc capacity is larger, and described subregion is larger.
6. a power-off protection of solid state disk and quick start system, is characterized in that, described system comprises:
The partition management module, for dividing the mapping of the address for a stored logic physical address mapping table subregion at solid state hard disc;
The address mapping table administration module, for setting up address map updating table at internal memory and shining upon the described logical physical address mapping table of partition creating in the address of described solid state hard disc, and, for when solid state hard disc carries out data manipulation, the logical physical address mapping relation is write in the map updating table of described address;
The power down protection module, during for system power failure, be saved to the address map updating table in described internal memory in the address mapping subregion of described solid state hard disc.
7. power-off protection of solid state disk according to claim 6 and quick start system; it is characterized in that; when described address mapping table administration module also surpasses predetermined threshold value for the address map updating table size when described internal memory and/or address map updating table quantity, the address map updating table in described internal memory is saved in the address mapping subregion of solid state hard disc.
8. power-off protection of solid state disk according to claim 6 and quick start system; it is characterized in that; described system also comprises the startup module; for when system powers on, according to logical physical address mapping table and described address map updating table in address mapping subregion, upgrade described logical physical address mapping table.
9. power-off protection of solid state disk according to claim 6 and quick start system; it is characterized in that; described power down module is also for when the system normal shutdown, according to the quantity of map updating table in address in described internal memory and size, determines address map updating table in described internal memory is write in the address mapping subregion of described solid state hard disc or upgrades logical physical address mapping table in described address mapping subregion according to address map updating table in described internal memory.
10. power-off protection of solid state disk according to claim 6 and quick start system, is characterized in that, described address mapping partition size is determined by address mapping mode and solid state hard disc amount of capacity; The solid state hard disc capacity is larger, and described address mapping subregion is larger.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104809037A (en) * | 2015-05-13 | 2015-07-29 | 深圳芯邦科技股份有限公司 | Rapid starting method and device for eMMC based on special page |
| CN105224478A (en) * | 2015-09-25 | 2016-01-06 | 联想(北京)有限公司 | A kind of formation of mapping table, renewal and restoration methods and electronic equipment |
| CN106033319A (en) * | 2015-03-11 | 2016-10-19 | 广明光电股份有限公司 | A method of dynamic establishment of a translation layer of a solid state drive |
| CN106155579A (en) * | 2015-04-27 | 2016-11-23 | 广明光电股份有限公司 | The method of solid state hard disc dynamic storing conversion layer data |
| CN109189605A (en) * | 2018-07-23 | 2019-01-11 | 杭州电子科技大学 | A kind of power-off protection of solid state disk method |
| US10289544B2 (en) | 2016-07-19 | 2019-05-14 | Western Digital Technologies, Inc. | Mapping tables for storage devices |
| CN110286850A (en) * | 2019-05-15 | 2019-09-27 | 青岛镕铭半导体有限公司 | Wiring method, restoration methods and the solid state hard disk of solid state hard disk metadata |
| CN111913669A (en) * | 2020-08-07 | 2020-11-10 | 深圳忆联信息系统有限公司 | SSD power-down speed improving method and device, computer equipment and storage medium |
| CN112698986A (en) * | 2020-12-25 | 2021-04-23 | 北京浪潮数据技术有限公司 | Data recovery method, device and related equipment |
| CN115543865A (en) * | 2022-11-25 | 2022-12-30 | 成都佰维存储科技有限公司 | Power failure protection method and device, readable storage medium and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090055578A1 (en) * | 2007-08-24 | 2009-02-26 | Samsung Electronics Co., Ltd. | Apparatus using flash memory as storage and method of operating the same |
| CN102789431A (en) * | 2012-06-29 | 2012-11-21 | 记忆科技(深圳)有限公司 | Data protection method and system |
| 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) |
| CN102929805A (en) * | 2012-10-19 | 2013-02-13 | 浪潮电子信息产业股份有限公司 | Power-down protection method for cache data in memory system |
-
2013
- 2013-07-26 CN CN201310319537XA patent/CN103425605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090055578A1 (en) * | 2007-08-24 | 2009-02-26 | Samsung Electronics Co., Ltd. | Apparatus using flash memory as storage and method of operating the same |
| CN102789431A (en) * | 2012-06-29 | 2012-11-21 | 记忆科技(深圳)有限公司 | Data protection method and system |
| 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) |
| CN102929805A (en) * | 2012-10-19 | 2013-02-13 | 浪潮电子信息产业股份有限公司 | Power-down protection method for cache data in memory system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033319A (en) * | 2015-03-11 | 2016-10-19 | 广明光电股份有限公司 | A method of dynamic establishment of a translation layer of a solid state drive |
| CN106155579A (en) * | 2015-04-27 | 2016-11-23 | 广明光电股份有限公司 | The method of solid state hard disc dynamic storing conversion layer data |
| CN104809037B (en) * | 2015-05-13 | 2018-04-13 | 深圳芯邦科技股份有限公司 | Quick start method and device of the eMMC based on special page |
| CN104809037A (en) * | 2015-05-13 | 2015-07-29 | 深圳芯邦科技股份有限公司 | Rapid starting method and device for eMMC based on special page |
| CN105224478B (en) * | 2015-09-25 | 2019-01-22 | 北京联想核芯科技有限公司 | A kind of formation of mapping table, update and restoration methods and electronic equipment |
| CN105224478A (en) * | 2015-09-25 | 2016-01-06 | 联想(北京)有限公司 | A kind of formation of mapping table, renewal and restoration methods and electronic equipment |
| US10289544B2 (en) | 2016-07-19 | 2019-05-14 | Western Digital Technologies, Inc. | Mapping tables for storage devices |
| CN109189605A (en) * | 2018-07-23 | 2019-01-11 | 杭州电子科技大学 | A kind of power-off protection of solid state disk method |
| CN110286850A (en) * | 2019-05-15 | 2019-09-27 | 青岛镕铭半导体有限公司 | Wiring method, restoration methods and the solid state hard disk of solid state hard disk metadata |
| CN110286850B (en) * | 2019-05-15 | 2023-05-09 | 镕铭微电子(济南)有限公司 | Writing method and recovery method of metadata of solid state disk and solid state disk |
| CN111913669A (en) * | 2020-08-07 | 2020-11-10 | 深圳忆联信息系统有限公司 | SSD power-down speed improving method and device, computer equipment and storage medium |
| CN111913669B (en) * | 2020-08-07 | 2023-04-28 | 深圳忆联信息系统有限公司 | SSD power-down speed improving method and device, computer equipment and storage medium |
| CN112698986A (en) * | 2020-12-25 | 2021-04-23 | 北京浪潮数据技术有限公司 | Data recovery method, device and related equipment |
| CN115543865A (en) * | 2022-11-25 | 2022-12-30 | 成都佰维存储科技有限公司 | Power failure protection method and device, readable storage medium and electronic equipment |
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