CN107678691A - Controller data wiring method and device, task executing method - Google Patents
Controller data wiring method and device, task executing method Download PDFInfo
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- CN107678691A CN107678691A CN201710929463.XA CN201710929463A CN107678691A CN 107678691 A CN107678691 A CN 107678691A CN 201710929463 A CN201710929463 A CN 201710929463A CN 107678691 A CN107678691 A CN 107678691A
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- data
- controller
- storage device
- default storage
- write
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0658—Controller construction arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0727—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a storage system, e.g. in a DASD or network based storage system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Computer Security & Cryptography (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
The invention discloses a kind of controller data wiring method and device, method to include：Controller transfers data to default storage device when receiving the data to be write, and to write data into default storage device, system includes at least two controllers, and default storage device can transmit data respectively with each controller.Controller data wiring method and device of the present invention, controller are write data into default storage device, and when this controller breaks down, other controllers can read data from default storage device, so as to ensure that data are not lost；And write-in data are completed after the completion of data are write in default storage device, reduces write step compared with the conventional method, simplifies write-in flow.Invention additionally discloses a kind of task executing method.
Description
Technical field
The present invention relates to Data Protection Technologies field, more particularly to a kind of controller data wiring method and device.This
Invention further relates to a kind of task executing method.
Background technology
In the prior art, used in storage cluster system in order to ensure not lose data when single controller damages
Dual controller, data image is realized between the two controllers, i.e., the number of another controller has been backed up in one of controller
According to specially：When a controller front end interface writes data, while a phase is write into opposite terminal controller mirror memory
Same data, to realize the back-up job of data；When opposite terminal controller returns to the configured information that write-in is completed, current data is write
Enter flow and just calculate completion., it is necessary to which all writing completion in two side controllers just can confirm that write-in is completed under such writing mode,
So that write step is more, write-in flow is complicated.
The content of the invention
It is an object of the invention to provide a kind of controller data wiring method and device, overcomes in the prior art using more
During controller write data write step it is more, write flow complexity the problem of.The present invention also provides a kind of task executing method.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of controller data wiring method, including：
Controller is transferred to default storage device when receiving the data to be write, by the data, by the number
According to the default storage device is write, system includes at least two controllers, the default storage device and each control
Device processed can transmit data respectively.
Alternatively, including at least two default storage devices；
The controller is transferred to default storage device when receiving the data to be write, by the data to be included：
The controller is transferred to each default storage when receiving the data to be write, by the data and set respectively
It is standby, the data are respectively written into each default storage device.
Alternatively, the default storage device includes at least two ports, and each port and each controller are one by one
Corresponding, the controller writes data into the default storage device by the port.
Alternatively, the controller is connected by data channel with the port of the default storage device, and described
Default storage device carries out data transmission.
Alternatively, the data channel is high-speed data channel.
A kind of task executing method, including：
After the first controller breaks down, second controller reads from default storage device and write by first controller
Data entering, for performed task, system include at least two controllers, the default storage device respectively with it is each described
Controller can transmit data；
The second controller continues executing with task according to the data read.
A kind of controller data writing station, including at least two controllers and default storage device, the default storage
Equipment can transmit data respectively with each controller；
The controller includes writing module, for when the controller receives the data to be write, by the number
According to the default storage device is transferred to, the data are write into the default storage device；
The default storage device is used to write the data being transferred to.
Alternatively, including at least two default storage devices；
Said write module is specifically used for when the controller receives the data to be write, and the data are passed respectively
Each default storage device is defeated by, the data are respectively written into each default storage device.
Alternatively, the default storage device includes at least two ports, and each port and each controller are one by one
Corresponding, said write module writes data into the default storage device by the port.
Alternatively, the controller is connected by data channel with the port of the default storage device, and described
Default storage device carries out data transmission.
As shown from the above technical solution, controller data wiring method and device provided by the present invention, system are included extremely
Few two controllers, controller transfer data to default storage device, data are write when receiving the data to be write
Enter default storage device, the default storage device can transmit data respectively with each controller.Controller data write-in of the present invention
Method and device, controller are write data into default storage device, and when this controller breaks down, other controllers can be from
Default storage device reads data, so as to ensure that data are not lost；And after the completion of data are write in default storage device
Write-in data are completed, reduce write step compared with the conventional method, simplify write-in flow.
The present invention also provides a kind of task executing method, realizes after the failure of the first controller, automatically by second
Controller adapter execution task so that system does not interrupt the task of execution, ensure that the continuity of business.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of controller data wiring method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram for the controller data wiring method that an instantiation of the invention provides；
Fig. 3 is a kind of schematic diagram for controller data wiring method that further embodiment of this invention provides；
Fig. 4 is the schematic diagram for the controller data wiring method that the another instantiation of the present invention provides；
Fig. 5 is a kind of flow chart of task executing method provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of controller in a kind of controller data writing station provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
A kind of controller data wiring method provided in an embodiment of the present invention, including：Controller is receiving what is write
During data, the data are transferred to default storage device, the data are write into the default storage device, system includes
At least two controllers, the default storage device can transmit data respectively with each controller.
Fig. 1 is refer to, system includes at least two controllers 10, and controller 10 is connected and communicated with headend equipment,
The task that receiving front-end equipment issues, and end equipment issues instruction backward according to task, to perform task.In the specific implementation,
The quantity for the controller 10 that system includes can be set according to practical application request.Exemplary, Fig. 2 is refer to, can be in system
Two controllers 10 of middle setting, can make system equipment cost relatively low on the premise of system operation redundancy is ensured.
The default storage device 11 refer to can data storage equipment, for example can be hard disk, naturally it is also possible to be it
The storage device of its type, all falls in the scope of protection of the present invention.Default storage device 11 can transmit number respectively with each controller 10
According to that is, each controller 10 can transmit data to default storage device 11, write data into storage device, each controller 10 can also
Data are read from default storage device 11.
The data of writing controller are needed in the task that the data to be write refer to issue.Controller 10 passes through front end
Interface is connected with headend equipment, and when controller 10 receives the data write by front end interface, the data that will be write are transferred to
Default storage device 11, writes data into default storage device 11.
Therefore the present embodiment controller data wiring method, controller is write data into default storage device, when this control
When device processed breaks down, other controllers can read data from default storage device, so as to ensure that data are not lost, realize
Data protection；And write in default storage device after the completion of data and complete write-in data, subtracted compared with the conventional method
Lack write step, simplify write-in flow.
In the specific implementation, the default storage device 11 includes at least two ports, each port and each control
Device 10 processed corresponds, and the controller 10 writes data into the default storage device 11 by the port.Each controller
10 are connected with corresponding ports in default storage device 11, and controller 10 transfers data to pre- when receiving the data to be write
If storage device 11, storage device is write data into by corresponding ports；In addition, controller 10 obtains from default storage device 11
During data, data are read from default storage device 11 by corresponding ports.
Further, the controller 10 is connected by data channel with the port of default storage device 11, and pre-
If storage device 11 carries out data transmission.Preferably, the data of transmission can be encrypted for the data channel, so prevent
Leaking data, improve the security of data transfer.Preferably, the data channel can use high-speed data channel, high-speed data
Passage so as to improve the speed of data write-in, can be improved the service operation efficiency of system, improved production with high rate data transmission data
Product competitiveness.
A kind of controller data wiring method that further embodiment of this invention provides, including at least two default storages are set
Standby, method includes：Controller is transferred to each default storage when receiving the data to be write, by the data and set respectively
It is standby, the data are respectively written into each default storage device, system includes at least two controllers, described default
Storage device can transmit data respectively with each controller.
Fig. 3 is refer to, including two or more preset storage device 21, the default storage device 21 refers to can
The equipment of data storage, for example can be hard disk, naturally it is also possible to it is other types of storage device, protects model in the present invention
In enclosing.The quantity of default storage device can be set according to practical application request in actual applications.
System includes at least two controllers 20, and controller 20 is connected and communicated with headend equipment, and receiving front-end is set
Standby issuing for task, and end equipment issues instruction backward according to task, to perform task.In the specific implementation, system includes
The quantity of controller 20 can be set according to practical application request.
Wherein, each controller 20 can transmit data with each default storage device 21 respectively, i.e., each controller 20 can be to
Each default storage device 21 transmits data, writes data into each storage device, each controller 20 can also be from any one
Default storage device 21 reads data.
When controller 20 receives the data write by front end interface, wherein controller 20 is set by front end interface and front end
Standby connection, the data that will be write are transferred to each default storage device 21, write data into each default storage device 21 respectively.
The data to be write refer to the data that writing controller is needed in issuing for task.
Therefore the present embodiment controller data wiring method, the data that controller will write are written to default storage device
In, when this controller breaks down, other controllers can read the data of write-in from default storage device, data is not lost
Lose, realize data protection；In addition, the data that controller will write are written in multiple default storage devices, wherein one
Data can be obtained during individual storage device damage from other storage devices, redundancy is realized between each default storage device, further protects
Demonstrate,prove data not lose, improve the security of data.
In the specific implementation, presetting storage device 21 includes at least two ports, each port and each controller
20 correspond, and the controller 20 writes data into the default storage device 21 by port.For each default storage
Equipment 21, the port connection corresponding with default storage device 21 of each controller 20, controller 20 are receiving the number to be write
According to when transfer data to default storage device 21, write data into storage device 21 by corresponding ports；In addition, controller 20
When obtaining data from default storage device 21, data are read from default storage device 21 by corresponding ports.
Further, the controller 20 is connected by data channel with the port of the default storage device 21,
Carry out data transmission with default storage device 21.Preferably, the data of transmission can be encrypted for the data channel, so
Leaking data is prevented, improves the security of data transfer.Preferably, the data channel can use high-speed data channel, at a high speed
Data channel, so as to improve the speed of data write-in, can be improved the service operation efficiency of system, carried with high rate data transmission data
High product competitiveness.
In a kind of instantiation, Fig. 4, including two default storage devices 21 are refer to, system includes two controllers
20, each controller 20 is connected with each default storage device 21 respectively, by corresponding port in default storage device 21 to depositing
Store up equipment write-in data or read data from storage device, pass through high-speed data between controller 20 and default storage device 21
Channel transmission data.
Fig. 5 is refer to, the corresponding embodiment of the present invention also provides a kind of task executing method, including step：
S30：After the first controller breaks down, second controller reads from default storage device and controlled by described first
Device write-in, data for performed task, system include at least two controllers, the default storage device respectively with respectively
The controller can transmit data.
Fig. 1 is referred to, system includes at least two controllers 10, including at least the first controller and second controller, control
Device 10 processed is connected and communicated with headend equipment, the task that receiving front-end equipment issues, and according under task backward end equipment
Send instructions, to perform task.Default storage device 11 can transmit data respectively with each controller 10, i.e., each controller 10 can be to pre-
If storage device 11 transmits data, storage device is write data into, each controller 10 can also be read from default storage device 11
Data.Controller 10 is performed in task process, when receiving the data to be write, transfers data to default storage device
11, write default storage device 11.
After being broken down in performing task process, system monitoring breaks down first controller to the first controller, accuses
Know second controller, then second controller from default storage device 11 read by the first controller write-in, for performed
The data of business.
S31：The second controller continues executing with task according to the data read.
Second controller is according to from default storage device 11 is reading, data for performed task, adapter first
The task that controller performs, continues executing with task, so that not abort the mission, ensures the continuity of business.
Therefore the present embodiment task executing method, realize after the failure of the first controller, automatically by the second control
Device adapter execution task so that system does not interrupt the task of execution, ensure that the continuity of business.
In the present embodiment method, when including default storage device two or more described.First controller goes out
After existing failure, second controller can read from any one storage device in each default storage device and be write by the first controller
Data entering, for performed task, come adapter execution task.
Accordingly, Fig. 1 and Fig. 6 are refer to, the embodiment of the present invention also provides a kind of controller data writing station, including pre-
If the controller 10 of storage device 11 and at least two, the default storage device 11 can transmit number respectively with each controller 10
According to；
The controller 10 includes writing module 100, for when the controller receives the data to be write, by institute
State data and be transferred to the default storage device 11, the data are write into the default storage device 11；
The default storage device 11 is used to write the data being transferred to.
As can be seen that the present embodiment controller data writing station, including default storage device and at least two controllers,
The default storage device can transmit data respectively with each controller, and controller is when receiving the data to be write, by data
Default storage device is transferred to, to write data into default storage device.When this controller breaks down, other controllers can
Data are read from default storage device, so as to ensure that data are not lost, realize data protection；And in default storage device
Write-in data are completed after the completion of middle write-in data, reduces write step compared with the conventional method, simplifies write-in flow.
Refer to Fig. 3, a kind of controller data writing station that further embodiment of this invention provides, including at least two controls
Device 20 and at least two processed presets storage device 21, and the default storage device 21 can be transmitted respectively with each controller 20
Data；
The controller 20 includes writing module, described in when the controller receives the data to be write, inciting somebody to action
Data are transferred to each default storage device 21 respectively, and the data are respectively written into each default storage device 21；
The default storage device 21 is used to write the data being transferred to.
The present embodiment controller data writing station, including at least two default storage devices and at least two controllers,
When receiving the data to be write, the data that will be write are written in multiple default storage devices controller, when this control
When device breaks down, other controllers can read the data of write-in from default storage device, data is not lost, realize data
Protection；In addition, the data that controller will write are written in multiple default storage devices, a storage device damage wherein
The other storage devices of Shi Kecong obtain data, realize redundancy between each default storage device, further ensure data and do not lose,
Improve the security of data.
In the controller data writing station of various embodiments above description, in the specific implementation, the default storage is set
Standby to include at least two ports, each port and each controller one-to-one corresponding, said write module is by port by number
According to the default storage device of write-in.The port connection corresponding with default storage device of each controller, controller are being received and write
Default storage device is transferred data to during the data entered, storage device is write data into by corresponding ports；In addition, controller
When obtaining data from default storage device, data are read from default storage device by corresponding ports.
Further, the controller is connected by data channel with the port of the default storage device, and pre-
If storage device carries out data transmission.Preferably, the data of transmission are encrypted the data channel, so prevent data from letting out
Dew, improve the security of data transfer.Preferably, the data channel can use high-speed data channel, high-speed data channel energy
Enough with high rate data transmission data, so as to improve the speed of data write-in, the service operation efficiency of system is improved, improves product competition
Power.
It should be noted that controller data wiring method provided by the invention and device, task executing method can answer
It can be specifically storage cluster system for storage system, the service system of other species can also be applied to.
Detailed Jie has been carried out to controller data wiring method provided by the present invention and device, task executing method above
Continue.Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and repaiied
Decorations are also fallen into the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. controller data wiring method, it is characterised in that including：Controller is transferred to default storage device when receiving the data to be write, by the data, and the data are write Enter the default storage device, system includes at least two controllers, the default storage device and each controller Data can be transmitted respectively.
- 2. memory system data wiring method according to claim 1, it is characterised in that described default including at least two Storage device；The controller is transferred to default storage device when receiving the data to be write, by the data to be included：The controller is transferred to each default storage device respectively when receiving the data to be write, by the data, So that the data are respectively written into each default storage device.
- 3. the memory system data wiring method according to claims 1 or 2, it is characterised in that the default storage is set Standby to include at least two ports, each port corresponds with each controller, and the controller will by the port Data write the default storage device.
- 4. memory system data wiring method according to claim 3, it is characterised in that the controller is led to by data Road is connected with the port of the default storage device, is carried out data transmission with the default storage device.
- 5. memory system data wiring method according to claim 4, it is characterised in that the data channel is high speed number According to passage.
- A kind of 6. task executing method, it is characterised in that including：After the first controller breaks down, second controller reads from default storage device and write by first controller , data for performed task, system includes at least two controllers, the default storage device respectively with each control Device processed can transmit data；The second controller continues executing with task according to the data read.
- 7. a kind of controller data writing station, it is characterised in that described including default storage device and at least two controllers Default storage device can transmit data respectively with each controller；The controller includes writing module, for when the controller receives the data to be write, the data to be passed The default storage device is defeated by, the data are write into the default storage device；The default storage device is used to write the data being transferred to.
- 8. controller data writing station according to claim 7, it is characterised in that deposited including at least two described preset Store up equipment；Said write module is specifically used for when the controller receives the data to be write, and the data are transferred to respectively Each default storage device, the data are respectively written into each default storage device.
- 9. according to the controller data writing station described in claim 7 or 8, it is characterised in that the default storage device Including at least two ports, each port corresponds with each controller, and said write module will by the port Data write the default storage device.
- 10. controller data writing station according to claim 9, it is characterised in that the controller is led to by data Road is connected with the port of the default storage device, is carried out data transmission with the default storage device.
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| CN201710929463.XA CN107678691A (en) | 2017-10-09 | 2017-10-09 | Controller data wiring method and device, task executing method |
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| CN201710929463.XA CN107678691A (en) | 2017-10-09 | 2017-10-09 | Controller data wiring method and device, task executing method |
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| CN103049220A (en) * | 2012-12-19 | 2013-04-17 | 华为技术有限公司 | Storage control method, storage control device and solid-state storage system |
| CN103049218A (en) * | 2012-12-11 | 2013-04-17 | 华为技术有限公司 | Data storage method and controller |
| CN103077123A (en) * | 2013-01-15 | 2013-05-01 | 华为技术有限公司 | Data writing and reading methods and devices |
| US20140006687A1 (en) * | 2012-06-30 | 2014-01-02 | Huawei Technologies Co., Ltd. | Data Cache Apparatus, Data Storage System and Method |
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2017
- 2017-10-09 CN CN201710929463.XA patent/CN107678691A/en active Pending
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| US20140006687A1 (en) * | 2012-06-30 | 2014-01-02 | Huawei Technologies Co., Ltd. | Data Cache Apparatus, Data Storage System and Method |
| CN103049218A (en) * | 2012-12-11 | 2013-04-17 | 华为技术有限公司 | Data storage method and controller |
| CN103049220A (en) * | 2012-12-19 | 2013-04-17 | 华为技术有限公司 | Storage control method, storage control device and solid-state storage system |
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Application publication date: 20180209 |