CN109783034A - A kind of method and its system promoting disk array treatment effeciency - Google Patents
A kind of method and its system promoting disk array treatment effeciency Download PDFInfo
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- CN109783034A CN109783034A CN201910111518.5A CN201910111518A CN109783034A CN 109783034 A CN109783034 A CN 109783034A CN 201910111518 A CN201910111518 A CN 201910111518A CN 109783034 A CN109783034 A CN 109783034A
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Abstract
The present invention relates to a kind of methods and its system for promoting disk array treatment effeciency；Wherein, the method for disk array treatment effeciency is promoted, comprising the following steps: S1, disk array carry out write operation, data carried out storage transmission；Data are carried out exclusive or processing by S2, and for a part of data conversion at parity data, remaining data keep former data；NAND is written in former data by S3, and parity data is linked into even-odd check waiting list；S4 judges whether host is idle；If so, into S6；If it is not, then entering S5；S5, judges whether even-odd check queue writes all over；If so, into S6；Continue to judge if it is not, then returning；S6 writes parity data in NAND, and discharges even-odd check queue.The present invention improves the efficiency of disk array, reduces the write-in of invalid data, to reduce SSD loss, extends the service life of NAND, being capable of preferably meet demand.
Description
Technical field
The present invention relates to solid state hard disk technical fields, more specifically refer to a kind of side for promoting disk array treatment effeciency
Method and its system.
Background technique
As the technology of SSD develops, tradition 2D Nand is replaced using TLC and with 3D Nand Flash in SSD
The ratio of Flash is higher and higher.Although new technology reduces solid state hard disk cost, it is more next that data stability is also brought along at the same time
Poorer negative effect；The importance of RAID (disk array) is wherein added with regard to especially prominent.
The definition of RAID be " it is cheap and with fault-tolerant ability disk array ", it can improve storage performance and can
By property, the main parallel processing and redundancy for utilizing I/O, nowadays RAID technique is widely applied in storage.
But the RAID technique used now is that the data of NAND will be written, and is handled and is calculated by RAID
Data and Parity data are written in NAND together again for Parity (even-odd check) data, ineffective, are unable to satisfy demand.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of method for promoting disk array treatment effeciency is provided
And its system.
To achieve the above object, the present invention is used in lower technical solution:
A method of promoting disk array treatment effeciency, comprising the following steps:
S1, disk array carry out write operation, data are carried out storage transmission；
Data are carried out exclusive or processing by S2, and for a part of data conversion at parity data, remaining data keep former number
According to；
NAND is written in former data by S3, and parity data is linked into even-odd check waiting list；
S4 judges whether host is idle；If so, into S6；If it is not, then entering S5；
S5, judges whether even-odd check queue writes all over；If so, into S6；Continue to judge if it is not, then returning；
S6 writes parity data in NAND, and discharges even-odd check queue.
Its further technical solution are as follows: the S1 includes:
S11, disk array carry out write operation；
Data are carried out storage transmission by S12.
Its further technical solution are as follows: the S3 includes:
NAND is written in former data by S31；
Parity data is linked into even-odd check waiting list by S32.
Its further technical solution are as follows: the S6 includes:
S61 writes parity data in NAND；
S62 discharges even-odd check queue.
A kind of system promoting disk array treatment effeciency, including memory cell is write, processing unit writes sheet member, and first sentences
Disconnected unit, second judgment unit, and write-in releasing unit；
It is described to write memory cell, write operation is carried out for disk array, data are subjected to storage transmission；
The processing unit, for data to be carried out exclusive or processing, a part of data conversion is left at parity data
Data keep former data；
Described to write sheet member, for NAND to be written in former data, parity data is linked into even-odd check waiting list；
First judging unit, for judging whether host is idle；
The second judgment unit, for judging whether even-odd check queue writes all over；
Said write releasing unit for writing parity data in NAND, and discharges even-odd check queue.
Its further technical solution are as follows: the memory cell of writing includes writing module and storage transmission module；
The writing module carries out write operation for disk array；
The storage transmission module, for data to be carried out storage transmission.
Its further technical solution are as follows: the sheet member of writing includes writing module and is linked into module；
The write module, for NAND to be written in former data；
It is described to be linked into module, for parity data to be linked into even-odd check waiting list.
Its further technical solution are as follows: said write releasing unit includes even-odd check writing module and release module；
The even-odd check writing module, for writing parity data in NAND；
The release module, for discharging even-odd check queue.
Compared with the prior art, the invention has the advantages that: the workflow by optimizing disk array improves magnetic
The efficiency of disk array, reduces the write-in of invalid data, to reduce SSD loss, extends the service life of NAND, can be preferably
Meet demand.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of method flow diagram for promoting disk array treatment effeciency of the present invention；
Fig. 2 is a kind of system block diagram for promoting disk array treatment effeciency of the present invention.
10 write 11 writing module of memory cell
12 storage 20 processing units of transmission module
30 write first 31 writing modules of sheet
32 are linked into 40 first judging unit of module
Releasing unit is written in 50 second judgment units 60
61 even-odd check writing module, 62 release module
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
Such as Fig. 1 to specific embodiment shown in Fig. 2, wherein the invention discloses a kind of promotion disk array treatment effeciencies
Method, comprising the following steps:
S1, disk array carry out write operation, data are carried out storage transmission；
Data are carried out exclusive or processing by S2, and for a part of data conversion at parity data, remaining data keep former number
According to；
NAND is written in former data by S3, and parity data is linked into even-odd check waiting list；
S4 judges whether host is idle；If so, into S6；If it is not, then entering S5；
S5, judges whether even-odd check queue writes all over；If so, into S6；Continue to judge if it is not, then returning；
S6 writes parity data in NAND, and discharges even-odd check queue.
Wherein, the S1 includes:
S11, disk array carry out write operation；
Data are carried out storage transmission by S12.
Wherein, the S3 includes:
NAND is written in former data by S31；
Parity data is linked into even-odd check waiting list by S32.
Further, the S6 includes:
S61 writes parity data in NAND；
S62 discharges even-odd check queue.
The present invention is relative to present RAID processing method, difference: the odd even school that script is written with former data
It tests data and carries out caching process, temporarily different former data are written in NAND together, but hang in even-odd check queue, and will count
According to parity data is labeled as, Host Idle or queue is waited to be written in NAND again when being occupied full, it can be with by this method
The effective parity data for reducing write-in NAND, if being invalid data when due to the data not error correction, to improve
The working efficiency of RAID, while the number of data write-in NAND is also relatively reduced, the loss of NAND is reduced, NAND is extended
Service life.
As shown in Fig. 2, the invention also discloses a kind of systems for promoting disk array treatment effeciency, including write memory cell
10, processing unit 20 writes sheet member 30, the first judging unit 40, second judgment unit 50, and write-in releasing unit 60；
It is described to write memory cell 10, write operation is carried out for disk array, data are subjected to storage transmission；
The processing unit 20, for data to be carried out exclusive or processing, a part of data conversion is remained at parity data
Under data keep former data；
Described to write sheet member 30, for NAND to be written in former data, parity data is linked into even-odd check waiting list
In；
First judging unit 40, for judging whether host is idle；
The second judgment unit 50, for judging whether even-odd check queue writes all over；
Said write releasing unit 60 for writing parity data in NAND, and discharges even-odd check queue.
Wherein, the memory cell 10 of writing includes writing module 11 and storage transmission module 12；
The writing module 11 carries out write operation for disk array；
The storage transmission module 12, for data to be carried out storage transmission.
Wherein, the sheet member 30 of writing includes writing module 31 and is linked into module 32；
The write module 31, for NAND to be written in former data；
It is described to be linked into module 32, for parity data to be linked into even-odd check waiting list.
Wherein, said write releasing unit 60 includes even-odd check writing module 61 and release module 62；
The even-odd check writing module 61, for writing parity data in NAND；
The release module 62, for discharging even-odd check queue.
The present invention improves the efficiency of disk array, reduces the write-in of invalid data, to reduce SSD loss, extends
It service life of NAND, being capable of preferably meet demand.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (8)
1. a kind of method for promoting disk array treatment effeciency, which comprises the following steps:
S1, disk array carry out write operation, data are carried out storage transmission；
Data are carried out exclusive or processing by S2, and for a part of data conversion at parity data, remaining data keep former data；
NAND is written in former data by S3, and parity data is linked into even-odd check waiting list；
S4 judges whether host is idle；If so, into S6；If it is not, then entering S5；
S5, judges whether even-odd check queue writes all over；If so, into S6；Continue to judge if it is not, then returning；
S6 writes parity data in NAND, and discharges even-odd check queue.
2. a kind of method for promoting disk array treatment effeciency according to claim 1, which is characterized in that the S1 packet
It includes:
S11, disk array carry out write operation；
Data are carried out storage transmission by S12.
3. a kind of method for promoting disk array treatment effeciency according to claim 1, which is characterized in that the S3 packet
It includes:
NAND is written in former data by S31；
Parity data is linked into even-odd check waiting list by S32.
4. a kind of method for promoting disk array treatment effeciency according to claim 1, which is characterized in that the S6 packet
It includes:
S61 writes parity data in NAND；
S62 discharges even-odd check queue.
5. a kind of system for promoting disk array treatment effeciency, which is characterized in that including writing memory cell, processing unit writes sheet
Member, the first judging unit, second judgment unit, and write-in releasing unit；
It is described to write memory cell, write operation is carried out for disk array, data are subjected to storage transmission；
The processing unit, for data to be carried out exclusive or processing, a part of data conversion is at parity data, remaining number
According to the former data of holding；
Described to write sheet member, for NAND to be written in former data, parity data is linked into even-odd check waiting list；
First judging unit, for judging whether host is idle；
The second judgment unit, for judging whether even-odd check queue writes all over；
Said write releasing unit for writing parity data in NAND, and discharges even-odd check queue.
6. a kind of system for promoting disk array treatment effeciency according to claim 5, which is characterized in that described to write deposit receipt
Member includes writing module and storage transmission module；
The writing module carries out write operation for disk array；
The storage transmission module, for data to be carried out storage transmission.
7. a kind of system for promoting disk array treatment effeciency according to claim 5, which is characterized in that described to write sheet
Member includes writing module and is linked into module；
The write module, for NAND to be written in former data；
It is described to be linked into module, for parity data to be linked into even-odd check waiting list.
8. a kind of system for promoting disk array treatment effeciency according to claim 5, which is characterized in that said write is released
Putting unit includes even-odd check writing module and release module；
The even-odd check writing module, for writing parity data in NAND；
The release module, for discharging even-odd check queue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910111518.5A CN109783034B (en) | 2019-02-12 | 2019-02-12 | Method and system for improving processing efficiency of disk array |
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| CN201910111518.5A CN109783034B (en) | 2019-02-12 | 2019-02-12 | Method and system for improving processing efficiency of disk array |
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| CN109783034B CN109783034B (en) | 2022-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897495A (en) * | 2020-07-28 | 2020-11-06 | 深圳忆联信息系统有限公司 | Implementation method and device for improving SSD writing performance, computer equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103186438A (en) * | 2013-04-02 | 2013-07-03 | 浪潮电子信息产业股份有限公司 | Method of improving disk array data reconstruction efficiency |
| CN104956311A (en) * | 2013-10-09 | 2015-09-30 | 株式会社日立制作所 | Storage system and storage control method |
| US9891826B1 (en) * | 2014-09-24 | 2018-02-13 | SK Hynix Inc. | Discard command support in parity based redundant array of flash memory disk |
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- 2019-02-12 CN CN201910111518.5A patent/CN109783034B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186438A (en) * | 2013-04-02 | 2013-07-03 | 浪潮电子信息产业股份有限公司 | Method of improving disk array data reconstruction efficiency |
| CN104956311A (en) * | 2013-10-09 | 2015-09-30 | 株式会社日立制作所 | Storage system and storage control method |
| US9891826B1 (en) * | 2014-09-24 | 2018-02-13 | SK Hynix Inc. | Discard command support in parity based redundant array of flash memory disk |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897495A (en) * | 2020-07-28 | 2020-11-06 | 深圳忆联信息系统有限公司 | Implementation method and device for improving SSD writing performance, computer equipment and storage medium |
| CN111897495B (en) * | 2020-07-28 | 2023-07-04 | 深圳忆联信息系统有限公司 | Implementation method, device, computer equipment and storage medium for improving SSD writing performance |
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