CN101625627A - Data read-in method, disc redundant array and controller thereof - Google Patents
Data read-in method, disc redundant array and controller thereof Download PDFInfo
- Publication number
- CN101625627A CN101625627A CN200910090724A CN200910090724A CN101625627A CN 101625627 A CN101625627 A CN 101625627A CN 200910090724 A CN200910090724 A CN 200910090724A CN 200910090724 A CN200910090724 A CN 200910090724A CN 101625627 A CN101625627 A CN 101625627A
- Authority
- CN
- China
- Prior art keywords
- physical disk
- magnetic disc
- unit
- logic
- logic magnetic
- 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.)
- Granted
Links
Images
Abstract
The embodiment of the invention relates to a data read-in method, a disc redundant array and a controller thereof, wherein the data read-in method comprises the following steps: receiving a read-in request message comprising data to be read in and a logical block address to be read in by the data; looking up a logical disc unit corresponding to the logical block address and an idle physical disc unit corresponding to the logical disc unit in a set logical independent disc redundant array RAID according to a mapping table; and reading the data to be read in into the idle physical disc unit. The embodiment of the invention can effectively improve the utilization rate of the disc.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of method of data, the controller and redundant arrays of inexpensive disks of redundant arrays of inexpensive disks of writing.
Background technology
How to increase the access speed of disk, how to prevent that data from losing because of the fault of disk, and how effectively to utilize disk space, be computer professional and user's puzzlement always, and the price of large capacity disc is very expensive, and the user is formed very big burden.
The generation of disk array technology solves these problems at one stroke.Redundant Array of Independent Disks (RAID) (Redundant Array of Independent Drive, hereinafter to be referred as: advantage RAID) is present in three aspects, i.e. availability (Availability), capacity (Capacity) and performance (Performance).In storage system, utilize the benefit of RAID technology to mainly contain following three kinds: the one, by a plurality of disks being organized together,, disk crosses over function so that being provided as a logical volume, and these a plurality of disks are called member's dish of RAID; The 2nd, be written in parallel to or read a plurality of disks by data being divided into a plurality of data blocks (Block), to improve the speed of visit disk, this performance is called as the concurrency of RAID; The 3rd, provide fault-tolerant ability by mirror image or verification operation.Select suitable RAID rank can satisfy the user according to actual conditions to storage system availability, capacity and performance demands.RAID rank commonly used has following several: NRAID, JBOD, RAID0, RAID1, RAID0+1, RAID3, RAID5 or the like.
Existing RAID technology makes up based on whole magnetic disk, even a RAID group has only been used a little space on the disk, this disk also can't be distributed to other RAID once more and organize, thereby causes the space availability ratio of disk lower.
Summary of the invention
The embodiment of the invention provides a kind of method of data, the controller and redundant arrays of inexpensive disks of redundant arrays of inexpensive disks of writing, and can effectively improve the space availability ratio of disk.
The embodiment of the invention provides a kind of method that writes data, comprising:
Receive write request message, comprise the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message;
In the logic Redundant Array of Independent Disks (RAID) RAID that is provided with, search logic magnetic disc unit corresponding and the idle physical disk unit corresponding according to mapping table with described logic magnetic disc unit with described LBA (Logical Block Addressing);
Described data to be written are write in the described idle physical disk unit.
The embodiment of the invention also provides a kind of controller of redundant arrays of inexpensive disks, comprising:
Receiver module is used to receive write request message, comprises the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message;
Search module, be used for searching logic magnetic disc unit corresponding and the idle physical disk unit corresponding at the logic Redundant Array of Independent Disks (RAID) RAID that is provided with described logic magnetic disc unit with described LBA (Logical Block Addressing) according to mapping table;
Writing module is used for described data to be written are write described idle physical disk unit.
The embodiment of the invention also provides a kind of redundant arrays of inexpensive disks, comprises controller and physical disk; Described controller is used to receive write request message, comprises the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message; In the logic Redundant Array of Independent Disks (RAID) RAID that is provided with, search logic magnetic disc unit corresponding and the idle physical disk unit corresponding according to mapping table with described logic magnetic disc unit with described LBA (Logical Block Addressing); Described data to be written are write in the described idle physical disk unit.
The embodiment of the invention is by being divided into disc unit with disk, disc unit is formed required logic RAID as required, and adopt distribution technique when writing, data to be written are write in the idle physical disk unit corresponding with logic magnetic disc unit among the logic RAID, effectively improved the space availability ratio of disk.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 writes the schematic flow sheet of method first embodiment of data for the present invention;
Fig. 2 writes the structural representation of mapping table among method first embodiment of data for the present invention;
Fig. 3 writes the schematic flow sheet of method second embodiment of data for the present invention;
Fig. 4 writes the physical disk synoptic diagram that is divided into the physical disk unit among method second embodiment of data for the present invention;
Fig. 5 writes the synoptic diagram of logic magnetic disc among method second embodiment of data for the present invention;
Fig. 6 is the structural representation of controller first embodiment of redundant arrays of inexpensive disks of the present invention;
Fig. 7 is the structural representation of controller second embodiment of redundant arrays of inexpensive disks of the present invention;
Fig. 8 is the structural representation of redundant arrays of inexpensive disks embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, the schematic flow sheet for the present invention writes method first embodiment of data can comprise the steps:
As shown in Figure 2, write the structural representation of mapping table among method first embodiment of data for the present invention, wherein, have 4 logic magnetic disc: LD0, LD1, LD2 and LD3, DU0:0 represents and corresponding idle physical disk unit, logic magnetic disc unit on the LD0, this free time physical disk cell distribution is on the 1st physical disk, DU1:0 represents and corresponding idle physical disk unit, logic magnetic disc unit on the LD1, this free time physical disk cell distribution is on the 2nd physical disk, DU6:0 represents and corresponding idle physical disk unit, logic magnetic disc unit on the LD2 that this free time physical disk cell distribution is on the 7th physical disk;
The embodiment of the invention is by being divided into disc unit with disk, disc unit is formed required logic RAID as required, and adopt distribution technique when writing, data to be written are write in the idle physical disk unit corresponding with logic magnetic disc unit among the logic RAID, effectively improved the space availability ratio of disk.
As shown in Figure 3, for the present invention writes the schematic flow sheet of method second embodiment of data, on the basis of technical scheme shown in Figure 1, being provided with of logic magnetic disc can comprise the steps: in the step 12
Physical disk is divided into the physical disk unit according to setting size;
Member according to required logic RAID is coiled quantity, and the physical disk dividing elements is coiled the logic magnetic disc of quantity for the member, thereby forms required logic RAID.
Concrete, as shown in Figure 4, write the physical disk synoptic diagram that is divided into the physical disk unit among method second embodiment of data for the present invention, suppose to have in the storage system 6 physical disks, be numbered from 0～5 respectively, that is, be numbered physical disk 0～physical disk 5.Storage system is divided into the physical disk unit according to setting each physical disk of big young pathbreaker, this sets size can be the integral multiple of the maximum configurable stripe depth of storage system, be generally the multiple of 1 megabit (MB), can carry out unique number for each physical disk unit this moment with " the physical disk element number in the physical disk numbering+physical disk ", for example: DU 2:0 represents No. 0 physical disk unit of No. 2, physical disk, No. 2 physical disk unit of DU 5:2 number expression physical disk 5.
In the present embodiment, logic magnetic disc comprise be evenly distributed on physical disk on corresponding logic magnetic disc unit, physical disk unit, wherein, be evenly distributed on member on the logic magnetic disc and coil the logic magnetic disc unit of quantity and constitute a logic magnetic disc band, the logic magnetic disc unit on the logic magnetic disc band is corresponding with physical disk unit on being evenly distributed on physical disk.Concrete, as shown in Figure 5, write the synoptic diagram of logic magnetic disc among method second embodiment of data for the present invention, have 7 physical disks in the system, LDU0 represents and is distributed in the 1st the logic magnetic disc unit that the physical disk unit on the physical disk is corresponding, LDU1 represents and is distributed in the 2nd the logic magnetic disc unit that the physical disk unit on the physical disk is corresponding ... LDU6 represents and is distributed in the 7th the logic magnetic disc unit that the physical disk unit on the physical disk is corresponding, wherein, each row logic disc unit is formed logic magnetic disc: LD0, LD1, LD2 and LD3, each row LDU forms logic magnetic disc band: LDS0, LDS1, LDS2 ...By layout, finally reach every row and the LDU that whenever lists all be evenly distributed in storage system in each physical disk on the physical disk unit corresponding.
As shown in Figure 3, on the basis of technical scheme shown in Figure 1, can also comprise after the step 13:
Step 31, when the idle physical disk unit corresponding with the logic magnetic disc unit breaks down, redistribute idle physical disk unit, and data to be written write in the idle physical disk unit of redistributing;
Step 32, modification mapping table make the logic magnetic disc unit corresponding with the idle physical disk unit of redistributing.
Present embodiment is by being divided into the physical disk unit with physical disk according to setting size, with the physical disk dividing elements is logic magnetic disc, when the user writes data, corresponding relation according to logic magnetic disc unit and physical disk unit, data are write in the idle physical disk unit, thereby adopt distribution technique when writing, effectively improved the space availability ratio of disk.
In addition, in the present embodiment, when the part sector turns bad of physical disk and when causing writing data failure, only need redistribute an idle disc unit, data are write in the disc unit of redistributing get final product, because the capacity of physical disk unit is less, so reorganization speed is than piece, thereby effectively improved reorganization speed.
As shown in Figure 6, the structural representation for controller first embodiment of redundant arrays of inexpensive disks of the present invention can comprise receiver module 61, search module 62 and writing module 63, wherein:
Writing module 63 is used for data to be written are write idle physical disk unit.
Present embodiment is divided into disc unit by disk, disc unit is formed required logic RAID as required, and adopt distribution technique when writing, by writing module 63 data to be written are write in the idle physical disk unit corresponding with logic magnetic disc unit among the logic RAID, effectively improved the space availability ratio of disk.
As shown in Figure 7, for the structural representation of controller second embodiment of redundant arrays of inexpensive disks of the present invention, on the basis of structural representation shown in Figure 6, present embodiment can also comprise module 71 is set, and is used to be provided with logic RAID; This is provided with module 71 can comprise physical disk dividing elements unit 711 and logic magnetic disc division unit 712, wherein:
Physical disk dividing elements unit 711 is used for physical disk is divided into the physical disk unit according to setting size;
Logic magnetic disc division unit 712 is used for coiling quantity according to the member of required logic RAID, and the physical disk dividing elements is coiled the logic magnetic disc of quantity for the member, thereby forms required logic RAID.
In the present embodiment, logic magnetic disc comprise be evenly distributed on physical disk on corresponding logic magnetic disc unit, physical disk unit, wherein, be evenly distributed on member on the logic magnetic disc and coil the logic magnetic disc unit of quantity and constitute a logic magnetic disc band, the logic magnetic disc unit on the logic magnetic disc band is corresponding with physical disk unit on being evenly distributed on physical disk.
The controller of present embodiment redundant arrays of inexpensive disks can also comprise recombination module 72 and mapping table modified module 73, wherein:
Mapping table modified module 73 is used to revise mapping table, makes the logic magnetic disc unit corresponding with the idle physical disk unit of redistributing.
In the present embodiment, physical disk dividing elements unit 711 is divided into the physical disk unit with physical disk according to setting size, logic magnetic disc division unit 712 is a logic magnetic disc with the physical disk dividing elements, when the user writes data, search module 62 and writing module 63 corresponding relation according to logic magnetic disc unit and physical disk unit, data are write in the idle physical disk unit, thereby adopt distribution technique when writing, effectively improved the space availability ratio of disk.
In addition, in the present embodiment, when the part sector turns bad of physical disk and when causing writing data failure, only need recombination module 72 to redistribute an idle disc unit, data are write in the disc unit of redistributing get final product, because the capacity of physical disk unit is less, so reorganization speed is very fast, thereby has effectively improved reorganization speed.
As shown in Figure 8, be the structural representation of redundant arrays of inexpensive disks embodiment of the present invention, can comprise controller 81 and physical disk 82;
Need to prove that controller 81 can comprise arbitrary module among the embodiment of controller of aforementioned redundant arrays of inexpensive disks, does not repeat them here.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, (Read-OnlyMemory, be called for short: (Random Access Memory is called for short: RAM) etc. read-only storage memory body ROM) or at random to store memory body.
It should be noted that at last: above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (10)
1, a kind of method that writes data is characterized in that, comprising:
Receive write request message, comprise the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message;
In the logic Redundant Array of Independent Disks (RAID) RAID that is provided with, search logic magnetic disc unit corresponding and the idle physical disk unit corresponding according to mapping table with described logic magnetic disc unit with described LBA (Logical Block Addressing);
Described data to be written are write in the described idle physical disk unit.
2, method according to claim 1 is characterized in that, the setting of described logic RAID comprises:
Physical disk is divided into the physical disk unit according to setting size;
Member according to required logic RAID is coiled quantity, is the logic magnetic disc that described member is coiled quantity with described physical disk dividing elements, thereby forms required logic RAID.
3, method according to claim 2, it is characterized in that: described logic magnetic disc comprise be evenly distributed on described physical disk on corresponding described logic magnetic disc unit, physical disk unit, wherein, be evenly distributed on described member on the described logic magnetic disc and coil the logic magnetic disc unit of quantity and constitute the logic magnetic disc band, the logic magnetic disc unit on the described logic magnetic disc band is corresponding with physical disk unit on being evenly distributed on described physical disk.
4, according to the arbitrary described method of claim 1-3, it is characterized in that, also comprise:
When the idle physical disk unit corresponding with described logic magnetic disc unit breaks down, redistribute idle physical disk unit, and described data to be written are write in the idle physical disk unit of redistributing;
Revise described mapping table, make described logic magnetic disc unit corresponding with the described idle physical disk unit of redistributing.
5, a kind of controller of redundant arrays of inexpensive disks is characterized in that, comprising:
Receiver module is used to receive write request message, comprises the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message;
Search module, be used for searching logic magnetic disc unit corresponding and the idle physical disk unit corresponding at the logic Redundant Array of Independent Disks (RAID) RAID that is provided with described logic magnetic disc unit with described LBA (Logical Block Addressing) according to mapping table;
Writing module is used for described data to be written are write described idle physical disk unit.
6, controller according to claim 5 is characterized in that, also comprises:
Module is set, is used to be provided with described logic RAID;
The described module that is provided with comprises:
Physical disk dividing elements unit is used for physical disk is divided into the physical disk unit according to setting size;
The logic magnetic disc division unit is used for coiling quantity according to the member of required logic RAID, is the logic magnetic disc that described member is coiled quantity with described physical disk dividing elements, thereby forms required logic RAID.
7, controller according to claim 6, it is characterized in that: described logic magnetic disc comprise be evenly distributed on described physical disk on corresponding described logic magnetic disc unit, physical disk unit, wherein, be evenly distributed on described member on the described logic magnetic disc and coil the logic magnetic disc unit of quantity and constitute a logic magnetic disc band, the logic magnetic disc unit on the described logic magnetic disc band is corresponding with physical disk unit on being evenly distributed on described physical disk.
8, according to the arbitrary described controller of claim 5-7, it is characterized in that, also comprise:
Recombination module is used for redistributing idle physical disk unit when the idle physical disk unit corresponding with described logic magnetic disc unit breaks down, and described data to be written is write in the idle physical disk unit of redistributing;
The mapping table modified module is used to revise described mapping table, makes described logic magnetic disc unit corresponding with the described idle physical disk unit of redistributing.
9, a kind of redundant arrays of inexpensive disks is characterized in that, comprises controller and physical disk;
Described controller is used to receive write request message, comprises the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message; In the logic Redundant Array of Independent Disks (RAID) RAID that is provided with, search logic magnetic disc unit corresponding and the idle physical disk unit corresponding according to mapping table with described logic magnetic disc unit with described LBA (Logical Block Addressing); Described data to be written are write in the described idle physical disk unit.
10, redundant arrays of inexpensive disks according to claim 9 is characterized in that, described controller comprises:
Receiver module is used to receive write request message, comprises the LBA (Logical Block Addressing) that data to be written and described data to be written will write in the described write request message;
Search module, be used for searching logic magnetic disc unit corresponding and the idle physical disk unit corresponding at the logic Redundant Array of Independent Disks (RAID) rank RAID that is provided with described logic magnetic disc unit with described LBA (Logical Block Addressing) according to mapping table;
Writing module is used for described data to be written are write described idle physical disk unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100907249A CN101625627B (en) | 2009-08-05 | 2009-08-05 | Data read-in method, disc redundant array and controller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100907249A CN101625627B (en) | 2009-08-05 | 2009-08-05 | Data read-in method, disc redundant array and controller thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101625627A true CN101625627A (en) | 2010-01-13 |
| CN101625627B CN101625627B (en) | 2012-03-21 |
Family
ID=41521484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100907249A Active CN101625627B (en) | 2009-08-05 | 2009-08-05 | Data read-in method, disc redundant array and controller thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101625627B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799533A (en) * | 2012-07-10 | 2012-11-28 | 浙江宇视科技有限公司 | Method and apparatus for shielding damaged sector of disk |
| CN103020550A (en) * | 2012-12-03 | 2013-04-03 | 记忆科技(深圳)有限公司 | Solid state disk and secure access method thereof as well as solid state disk system |
| WO2013149524A1 (en) * | 2012-04-01 | 2013-10-10 | 华为技术有限公司 | Method and system for writing data |
| WO2015085802A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Data storage method and storage apparatus |
| CN105739915A (en) * | 2014-12-29 | 2016-07-06 | 三星电子株式会社 | Stripe reconstituting method performed in storage system, and storage system |
| CN105843753A (en) * | 2015-02-02 | 2016-08-10 | Hgst荷兰公司 | Logical block address mapping for hard disk drives |
| CN107203442A (en) * | 2016-03-16 | 2017-09-26 | 伊姆西公司 | The assessment of the reconstruction performance of RAID |
| CN107291634A (en) * | 2016-03-31 | 2017-10-24 | 伊姆西公司 | The change of medium layer entrusted in storage device |
| CN107562380A (en) * | 2017-08-28 | 2018-01-09 | 郑州云海信息技术有限公司 | A kind of RAID2.0 data block distribution method and device |
| CN107665090A (en) * | 2016-07-27 | 2018-02-06 | 北京忆恒创源科技有限公司 | The method for realizing global abrasion equilibrium |
| CN107678694A (en) * | 2017-10-17 | 2018-02-09 | 深圳大普微电子科技有限公司 | RAID stripe method for reconstructing and solid-state disk |
| WO2018103533A1 (en) * | 2016-12-06 | 2018-06-14 | 华为技术有限公司 | Method, device, and equipment for fault handling |
| CN108228099A (en) * | 2017-12-27 | 2018-06-29 | 中国银联股份有限公司 | A kind of method and device of data storage |
| CN109213430A (en) * | 2017-06-30 | 2019-01-15 | 伊姆西Ip控股有限责任公司 | Memory management method and system |
| CN109213429A (en) * | 2017-06-30 | 2019-01-15 | 伊姆西Ip控股有限责任公司 | Memory management method and equipment |
| CN111435286A (en) * | 2019-01-14 | 2020-07-21 | 深圳市茁壮网络股份有限公司 | Data storage method, device and system |
| CN112748848A (en) * | 2019-10-29 | 2021-05-04 | 伊姆西Ip控股有限责任公司 | Method, apparatus and computer program product for storage management |
| CN113504876A (en) * | 2021-07-09 | 2021-10-15 | 杭州华澜微电子股份有限公司 | Data writing method and device, data reading method and device, and electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108733307B (en) * | 2017-04-17 | 2021-06-08 | 伊姆西Ip控股有限责任公司 | Storage management method, apparatus and computer readable medium |
-
2009
- 2009-08-05 CN CN2009100907249A patent/CN101625627B/en active Active
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013149524A1 (en) * | 2012-04-01 | 2013-10-10 | 华为技术有限公司 | Method and system for writing data |
| CN102799533B (en) * | 2012-07-10 | 2015-03-18 | 浙江宇视科技有限公司 | Method and apparatus for shielding damaged sector of disk |
| CN102799533A (en) * | 2012-07-10 | 2012-11-28 | 浙江宇视科技有限公司 | Method and apparatus for shielding damaged sector of disk |
| CN103020550A (en) * | 2012-12-03 | 2013-04-03 | 记忆科技(深圳)有限公司 | Solid state disk and secure access method thereof as well as solid state disk system |
| CN103020550B (en) * | 2012-12-03 | 2016-08-17 | 记忆科技(深圳)有限公司 | A kind of solid state hard disc and safety access method, solid state hard disk system |
| WO2015085802A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Data storage method and storage apparatus |
| CN105739915B (en) * | 2014-12-29 | 2020-01-07 | 三星电子株式会社 | Stripe reconstruction method executed in storage system and storage system |
| CN105739915A (en) * | 2014-12-29 | 2016-07-06 | 三星电子株式会社 | Stripe reconstituting method performed in storage system, and storage system |
| CN105843753A (en) * | 2015-02-02 | 2016-08-10 | Hgst荷兰公司 | Logical block address mapping for hard disk drives |
| CN105843753B (en) * | 2015-02-02 | 2019-11-05 | 西部数据技术公司 | Logical block address for hard disk drive maps |
| CN107203442B (en) * | 2016-03-16 | 2020-04-21 | 伊姆西Ip控股有限责任公司 | Method and equipment for evaluating reconstruction performance of redundant array of independent disks |
| CN107203442A (en) * | 2016-03-16 | 2017-09-26 | 伊姆西公司 | The assessment of the reconstruction performance of RAID |
| CN107291634B (en) * | 2016-03-31 | 2021-02-26 | 伊姆西公司 | Delegated media translation layer in storage devices |
| CN107291634A (en) * | 2016-03-31 | 2017-10-24 | 伊姆西公司 | The change of medium layer entrusted in storage device |
| CN107665090A (en) * | 2016-07-27 | 2018-02-06 | 北京忆恒创源科技有限公司 | The method for realizing global abrasion equilibrium |
| WO2018103533A1 (en) * | 2016-12-06 | 2018-06-14 | 华为技术有限公司 | Method, device, and equipment for fault handling |
| CN109213430B (en) * | 2017-06-30 | 2021-09-10 | 伊姆西Ip控股有限责任公司 | Storage management method and system |
| CN109213430A (en) * | 2017-06-30 | 2019-01-15 | 伊姆西Ip控股有限责任公司 | Memory management method and system |
| CN109213429A (en) * | 2017-06-30 | 2019-01-15 | 伊姆西Ip控股有限责任公司 | Memory management method and equipment |
| CN107562380A (en) * | 2017-08-28 | 2018-01-09 | 郑州云海信息技术有限公司 | A kind of RAID2.0 data block distribution method and device |
| CN107678694A (en) * | 2017-10-17 | 2018-02-09 | 深圳大普微电子科技有限公司 | RAID stripe method for reconstructing and solid-state disk |
| CN108228099A (en) * | 2017-12-27 | 2018-06-29 | 中国银联股份有限公司 | A kind of method and device of data storage |
| CN111435286A (en) * | 2019-01-14 | 2020-07-21 | 深圳市茁壮网络股份有限公司 | Data storage method, device and system |
| CN111435286B (en) * | 2019-01-14 | 2023-12-05 | 深圳市茁壮网络股份有限公司 | Data storage method, device and system |
| CN112748848A (en) * | 2019-10-29 | 2021-05-04 | 伊姆西Ip控股有限责任公司 | Method, apparatus and computer program product for storage management |
| CN113504876A (en) * | 2021-07-09 | 2021-10-15 | 杭州华澜微电子股份有限公司 | Data writing method and device, data reading method and device, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101625627B (en) | 2012-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101625627B (en) | Data read-in method, disc redundant array and controller thereof | |
| CN102622189B (en) | The device of Storage Virtualization, date storage method and system | |
| US5544339A (en) | Array of disk drives with redundant channels | |
| US11449226B2 (en) | Reorganizing disks and raid members to split a disk array during capacity expansion | |
| CN102880428B (en) | The creation method of distributed Redundant Array of Independent Disks (RAID) and device | |
| CN102819408B (en) | The implementation method of the RAID 0 of dynamic adjustment stripe depth and system | |
| US8244975B2 (en) | Command queue ordering by flipping active write zones | |
| US20100100668A1 (en) | Control method for logical strips based on multi-channel solid-state non-volatile storage device | |
| CN104050097A (en) | Selecting between non-volatile memory units having different minimum addressable data unit sizes | |
| CN108052655A (en) | Data write and read method | |
| US7890696B2 (en) | Command queue ordering with directional and floating write bands | |
| CN101494086B (en) | Memory device, controller and switching method for flash memory | |
| EP0871120A3 (en) | Method of storing data in a redundant group of disks and redundant array of disks | |
| CN101620517B (en) | Data-writing method and data-writing device | |
| CN104778018A (en) | Broad-strip disk array based on asymmetric hybrid type disk image and storage method of broad-strip disk array | |
| CN101833422A (en) | Data processing method and device for disk array | |
| CN103534688A (en) | Data recovery method, storage equipment and storage system | |
| CN102520885B (en) | Data management system for hybrid hard disk | |
| CN102169419A (en) | RAID (redundant array of independent disks) data block splitting and assembling method based on SATA (serial advanced technology attachment) controller | |
| CN103645862A (en) | Initialization performance improvement method of redundant arrays of inexpensive disks | |
| CN114036079B (en) | Mapping table compression method and system, memory controller, solid state disk and data reading method | |
| CN101369217B (en) | RAID level transforming method and apparatus | |
| CN106371950B (en) | Method and device for realizing RAID level conversion | |
| CN101997919B (en) | Storage resource management method and device | |
| CN102681918B (en) | Data storage and backup method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 611731 Chengdu high tech Zone, Sichuan, West Park, Qingshui River Patentee after: CHENGDU HUAWEI SYMANTEC TECHNOLOGIES Co.,Ltd. Address before: High tech Park No. 88 University of Electronic Science and technology of Sichuan province 611731 Chengdu Tianchen Road Patentee before: CHENGDU HUAWEI SYMANTEC TECHNOLOGIES Co.,Ltd. |
|
| CI01 | Publication of corrected invention patent application |
Correction item: Patentee|Address Correct: HUAWEI DIGITAL TECHNOLOGIES (CHENG DU) Co.,Ltd.|611731 Chengdu high tech Zone, Sichuan, West Park, Qingshui River False: CHENGDU HUAWEI SYMANTEC TECHNOLOGIES Co.,Ltd.|611731 Chengdu high tech Zone, Sichuan, West Park, Qingshui River Number: 08 Volume: 31 |
|
| ERR | Gazette correction | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220907 Address after: No. 1899 Xiyuan Avenue, high tech Zone (West District), Chengdu, Sichuan 610041 Patentee after: Chengdu Huawei Technologies Co.,Ltd. Address before: 611731 Qingshui River District, Chengdu hi tech Zone, Sichuan, China Patentee before: HUAWEI DIGITAL TECHNOLOGIES (CHENG DU) Co.,Ltd. |