CN109600436A - A kind of distribution iscsi service implementing method, system and relevant apparatus - Google Patents
A kind of distribution iscsi service implementing method, system and relevant apparatus Download PDFInfo
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Abstract
A kind of distribution iscsi service implementing method provided herein, comprising: read the nodal information of all nodes in distributed memory system；The destination client controlled in destination node sends connection request to the server-side of other all nodes according to nodal information；Wherein, destination node is any node in distributed memory system；The response message that server-side is sent is received using destination client, establishes the unidirectional connection between destination node and other all nodes；The connection request sent using the client that the destination service end in destination node receives other all nodes；It controls destination service end and sends response message to client, establish being bi-directionally connected between destination node and other all nodes.The method achieve iscsi distributed in distributed memory system services.The application also provides a kind of distribution iscsi service realization system, distributed memory system and computer readable storage medium, all has above-mentioned beneficial effect.
Description
Technical field
This application involves technical field of memory, in particular to a kind of distribution iscsi service implementing method, system, distribution
Formula storage system and computer readable storage medium.
Background technique
Memory block business is externally provided currently, servicing in distributed memory system using iscsi.Wherein, iscsi technology
It is the SCSI command collection that can be run on the upper layer of IP agreement used for hardware device, this instruction set may be implemented
SCSI protocol is run on ip networks, can be routed on such as high speed gigabit Ethernet.
But on each node of distributed memory system, iscsi service is all independent deployment, once host node goes out
Now abnormal, then the iscsi service of each node all will be unable to work normally in entire distributed memory system.
Therefore, how to realize distributed iscsi service in distributed memory system, and then even if occur in host node different
In the case where often, it is skill that those skilled in the art need to solve that the iscsi of distributed memory system service, which can also work normally,
Art problem.
Summary of the invention
The purpose of the application is to provide a kind of distribution iscsi service implementing method, system, distributed memory system and meter
Calculation machine readable storage medium storing program for executing can be realized distributed iscsi service in distributed memory system, and then even if go out in host node
Now in the case where exception, the iscsi service of distributed memory system can also be worked normally.
In order to solve the above technical problems, the application provides a kind of distribution iscsi service implementing method, comprising:
Read the nodal information of all nodes in distributed memory system；
The destination client controlled in destination node is sent according to the nodal information to the server-side of other all nodes
Connection request；Wherein, the destination node is any node in the distributed memory system；
Receive the response message that the server-side is sent using the destination client, establish the destination node with it is described
Unidirectional connection between other all nodes；
The connection sent using the client that the destination service end in the destination node receives other all nodes
Request；
Control the destination service end to the client send response message, establish the destination node and it is described other
Being bi-directionally connected between all nodes.
Preferably, the destination client in the control destination node is according to the nodal information to other all nodes
Server-side sends connection request, comprising:
Control the destination client creation destination client sub thread in the destination node；
The service using the destination client sub thread according to from the nodal information to other all nodes
End sends the connection request.
Preferably, the destination service end using in the destination node receives the client of other all nodes
The connection request of transmission, comprising:
Control the destination service end creation destination service terminal thread in the destination node；
The company sent using the client that the destination service terminal thread receives other all nodes
Connect request.
Preferably, it establishes after being bi-directionally connected between the destination node and other described all nodes, further includes:
To be bi-directionally connected described between the destination node and other described all nodes corresponding information and it is described its
The nodal information of his all nodes is bound and is recorded into the destination node.
The application also provides a kind of distribution iscsi service realization system, comprising:
Nodal information read module, for reading the nodal information of all nodes in distributed memory system；
Connection request send control module, for control the destination client in destination node according to the nodal information to
The server-side of other all nodes sends connection request；Wherein, the destination node is appointing in the distributed memory system
One node；
Unidirectional connection establishment module, for receiving the response message that the server-side is sent using the destination client,
Establish the unidirectional connection between the destination node and other described all nodes；
Connection request receiving module, for receiving other described all sections using the destination service end in the destination node
The connection request that the client of point is sent；
It is bi-directionally connected and establishes module, send response message to the client for controlling the destination service end, establish
Being bi-directionally connected between the destination node and other described all nodes.
Preferably, the connection request sends control module, comprising:
Destination client sub thread creates control unit, for controlling the wound of the destination client in the destination node
Build destination client sub thread；
Connection request transmission unit, for using the destination client sub thread according to the nodal information to it is described its
The server-side of his all nodes sends the connection request.
Preferably, the connection request receiving module, comprising:
Destination service terminal thread creation control unit, for controlling the wound of the destination service end in the destination node
Build destination service terminal thread；
Connection request receiving unit, for receiving the institute of other all nodes using the destination service terminal thread
State the connection request of client transmission.
Preferably, distribution iscsi services realization system further include:
Information logging modle, for will be bi-directionally connected described between the destination node and other described all nodes pair
The nodal information of the information and other all nodes answered is bound and is recorded into the destination node.
The application also provides a kind of distributed memory system, comprising:
Memory and processor；Wherein, the memory is for storing computer program, and the processor is for executing institute
The step of distributed iscsi service implementing method described above is realized when stating computer program.
The application also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has computer
The step of program, the computer program realizes distributed iscsi service implementing method described above when being executed by processor.
A kind of distribution iscsi service implementing method provided herein, comprising:
Read the nodal information of all nodes in distributed memory system；Control destination node in destination client according to
The nodal information sends connection request to the server-side of other all nodes；Wherein, the destination node is the distribution
Any node in storage system；The response message that the server-side is sent is received using the destination client, described in foundation
Unidirectional connection between destination node and other described all nodes；Institute is received using the destination service end in the destination node
State the connection request that the client of other all nodes is sent；It controls the destination service end and sends to respond to the client and disappear
Breath, establishes being bi-directionally connected between the destination node and other described all nodes.
This method after the nodal information of all nodes, not only establishes destination node in reading distributed memory system
The connection relationship of the server-side of destination client and other all nodes, also set up the destination node destination service end and its
Connection relationship between the client of his all nodes realizes distributed iscsi service in distributed memory system, in turn
Even if the iscsi service of distributed memory system can also work normally in the case where exception occurs in host node.The application also mentions
For a kind of distribution iscsi service realization system, distributed memory system and computer readable storage medium, all having above-mentioned has
Beneficial effect, details are not described herein.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of distribution iscsi service implementing method provided by the embodiment of the present application；
Fig. 2 is a kind of accelio component structure diagram provided by the embodiment of the present application；
Fig. 3 is a kind of structural block diagram of distribution iscsi service realization system provided by the embodiment of the present application.
Specific embodiment
The core of the application is to provide a kind of distribution iscsi service implementing method, can be realized distributed memory system
In distributed iscsi service, and then even if the iscsi of distributed memory system takes in the case where exception occurs in host node
Business can also work normally.Another core of the application is to provide a kind of distribution iscsi service realization system, distributed storage system
System and computer readable storage medium.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Memory block business is externally provided currently, servicing in distributed memory system using iscsi.But in distribution
On each node of storage system, iscsi service is all independent deployment, once exception occurs in host node, then entire distribution is deposited
The iscsi service of each node all will be unable to work normally in storage system.The embodiment of the present application can be realized distributed storage system
Distributed iscsi service in system, and then even if in the case where exception occurs in host node, the iscsi of distributed memory system
Service can also work normally, specific referring to FIG. 1, Fig. 1 is that a kind of distribution iscsi service provided by the embodiment of the present application is real
The flow chart of existing method, distribution iscsi service implementing method specifically include:
S101, the nodal information for reading all nodes in distributed memory system；
The embodiment of the present application deploys improved accelio component on each node in distributed memory system,
Main improvement is multiple processing modules to be increased on the basis of original accelio component, and then realize distributed storage system
The iscsi operation layer distribution connection of each node in system, that is, realize distributed iscsi service.Wherein, improved
Accelio component mainly increases nodal information processing module, client and server-side on the basis of original accelio component
Message processing module, session management module, as shown in Fig. 2, Fig. 2 is a kind of accelio component provided by the embodiment of the present application
Structural schematic diagram.Wherein, nodal information processing module saves the nodal information of each node；Client and server-side Message Processing mould
Block provides client request transmission interface to application layer and server-side handles request interface, is responsible for receiving disappearing for application layer transmitting
Breath, package request data send request of data, receive request, the data that encapsulation is got, send response, receive response, Xiang Ying
With the return data of layer；Session management module is responsible for managing whole system connection network, the pin of foundation, multi-connection including multi-connection
Ruin and connection status detection, connecting detection module for detecting the state that client connect with server-side, be used for client and
Server-side judges whether connection can be used before the message is transmitted.The embodiment of the present application, which was read before this in distributed memory system, to be owned
The nodal information of node is not especially limited the content of nodal information at this, should be by those skilled in the art according to practical feelings
Condition makes corresponding setting, and usual nodal information includes node network address and the one-to-one ID number of node address, thread name
Title and Thread Id.Further, after the nodal information for reading all nodes, which is cached or is recorded,
It is not specifically limited herein as the position of caching or record.
Destination client in S102, control destination node is sent according to nodal information to the server-side of other all nodes
Connection request；Wherein, destination node is any node in distributed memory system；
The embodiment of the present application after the nodal information of all nodes, controls in destination node in reading distributed memory system
Destination client according to nodal information to the server-side of other all nodes send connection request.Because the embodiment of the present application
Purpose is to realize distribution iscsi service, so each node in distributed memory system needs to realize iscsi operation layer point
Cloth connection, i.e. each of distributed memory system node are required to establish with other nodes and be bi-directionally connected, therefore target section
Point is any node in distributed memory system.The quantity of distributed memory system interior joint is not limited specifically herein
It is fixed, corresponding setting should be made according to the actual situation by those skilled in the art.From the foregoing, it can be understood that the embodiment of the present application is being distributed
Improved accelio component is deployed on each node in formula storage system, in each improved accelio component
Include corresponding client and server-side.For example, comprising corresponding in the improved accelio component disposed on the target node
Destination client and destination service end.
Further, for the destination client in control destination node according to nodal information to the clothes of other all nodes
Business end sends the process of connection request, is also not especially limited herein, which generally includes: the target in control destination node
Client creates destination client sub thread；Using destination client sub thread according to nodal information to the clothes of other all nodes
Business end sends connection request.For example, setting the quantity of distributed memory system interior joint as n, then destination node can be to other n-1
Node sends connection request, therefore the quantity of connection request is also n-1.Wherein, the destination client wound in destination node is controlled
Build destination client sub thread, generally include: the destination client starting destination client thread in control destination node utilizes
The destination client thread creation destination client sub thread.Herein for destination client thread and destination client sub thread
Creation mode be not especially limited, corresponding setting should be made according to the actual situation by those skilled in the art, such as can be with
By inherit Thread class create thread, can also by realize Runnable interface create thread, also can be used Callable and
Future creates thread.
S103, the response message that server-side is sent is received using destination client, establishes destination node and other all sections
Unidirectional connection between point；
Destination client of the embodiment of the present application in control destination node is according to nodal information to other all nodes
After server-side sends connection request, the response message that server-side is sent is received using destination client, establishes destination node and its
Unidirectional connection between his all nodes.From step S102 it is found that destination node can be asked to other n-1 node transmission connection
The quantity for the response message asked, therefore received herein is also n-1.The response that every server-side for receiving other nodes is sent
Message establishes the unidirectional connection between the node, until establishing the unidirectional connection between destination node and other all nodes.
Content of response message is not especially limited at this, should be made according to the actual situation by those skilled in the art and be set accordingly
It is fixed.
The connection that S104, the client that other all nodes are received using the destination service end in destination node are sent is asked
It asks；
The embodiment of the present application utilizes destination node after establishing the unidirectional connection between destination node and other all nodes
In destination service end receive other all nodes client send connection request.From the foregoing, it can be understood that other all nodes
The quantity of connection request that sends of the quantity client that has n-1, therefore receive other all nodes be also n-1.Further
Ground, the mistake for the connection request that the client for being received other all nodes using the destination service end in destination node is sent
Journey is not specifically limited herein, and corresponding setting should be made according to the actual situation by those skilled in the art, which usually wraps
It includes: the destination service end creation destination service terminal thread in control destination node；It is received using destination service terminal thread
The connection request that the client of his all nodes is sent.Wherein, the destination service end controlled in destination node creates destination service
Terminal thread, generally includes: the destination service end in control destination node starts destination service end line journey, utilizes the destination service
Hold thread creation destination service terminal thread.Herein for the creation mode of destination service end line journey and destination service terminal thread
It is not especially limited, corresponding setting should be made according to the actual situation by those skilled in the art, such as succession can be passed through
Thread class creates thread, Callable and Future wound can also also can be used by realizing that Runnable interface creates thread
Build thread.
S105, control destination service end send response message to client, establish destination node and other all nodes it
Between be bi-directionally connected.
The embodiment of the present application is sent in the client for being received other all nodes using the destination service end in destination node
Connection request after, control destination service end sends response message to client, establish destination node and other all nodes it
Between be bi-directionally connected.Content of response message is not especially limited at this, it should be by those skilled in the art according to the actual situation
Make corresponding setting.Further, it establishes after being bi-directionally connected between destination node and other all nodes, usually also wraps
Include: by the nodal information for being bi-directionally connected corresponding information and other all nodes between destination node and other all nodes into
Row is bound and is recorded into destination node.Since destination node is any node in distributed memory system, therefore when distribution
In storage system each node established with other nodes it is stable be bi-directionally connected, just constitute distributed communication network at this time
Network.So the application layer on upper layer such as iscsi service can register the request provided by accelio component when starting associated process
Transmission interface and request Processing Interface, when application layer passes through client call transmission interface, accelio can parse application layer biography
The data entered.When judging accordingly to connect available, then encapsulation of data sends data packet to opposite end, when the server-side of opposite end is received
To after request, data can be parsed and pass to application layer and go to handle, new data are transmitted to server-side after application layer process,
Response message can be sent after server-side encapsulation messages, data can be parsed after client receives response message, then to application layer
Return data.Moreover, accelio component can monitor the processing time of request by timer, once send or receive time-out, meeting
Destroy current request.
The embodiment of the present application after the nodal information of all nodes, not only establishes target in reading distributed memory system
The connection relationship of the server-side of the destination client of node and other all nodes, has also set up the destination service of the destination node
Connection relationship between end and the client of other all nodes realizes distributed iscsi clothes in distributed memory system
Business, and then even if the iscsi service of distributed memory system can also work normally in the case where exception occurs in host node.And
And when the upgrading of iscsi service online, being switched fast for business may be implemented.Further, it realizes in distributed memory system
After distributed iscsi service, the iscsi information on services of entire cluster can be obtained by some node.
Below to a kind of distribution iscsi service realization system provided by the embodiments of the present application, distributed memory system and
Computer readable storage medium is introduced, distribution iscsi described below service realization system, distributed memory system and
Computer readable storage medium can correspond to each other reference with above-described distribution iscsi service implementing method.
Referring to FIG. 3, Fig. 3 is a kind of structure of distribution iscsi service realization system provided by the embodiment of the present application
Block diagram；Distribution iscsi services realization system
Nodal information read module 301, for reading the nodal information of all nodes in distributed memory system；
Connection request send control module 302, for control the destination client in destination node according to nodal information to
The server-side of other all nodes sends connection request；Wherein, destination node is any node in distributed memory system；
Unidirectional connection establishment module 303 establishes mesh for receiving the response message that server-side is sent using destination client
Mark the unidirectional connection between node and other all nodes；
Connection request receiving module 304, for receiving other all nodes using the destination service end in destination node
The connection request that client is sent；
It is bi-directionally connected and establishes module 305, send response message to client for controlling destination service end, establish target section
Being bi-directionally connected between point and other all nodes.
Based on the above embodiment, connection request sends control module 302 in the present embodiment, generally includes:
Destination client sub thread creates control unit, for controlling the creation of the destination client in destination node target visitor
Family terminal thread；
Connection request transmission unit, for using destination client sub thread according to nodal information to other all nodes
Server-side sends connection request.
Based on the above embodiment, connection request receiving module 304 in the present embodiment, generally includes:
Destination service terminal thread creation control unit, for controlling the creation of the destination service end in destination node target clothes
Business terminal thread；
Connection request receiving unit, the client for being received other all nodes using destination service terminal thread are sent
Connection request.
Based on above-mentioned any embodiment, distribution iscsi services realization system and also typically includes in the present embodiment:
Information logging modle, for corresponding information and its will to be bi-directionally connected between destination node and other all nodes
The nodal information of his all nodes is bound and is recorded into destination node.
The application also provides a kind of distributed memory system, comprising:
Memory and processor；Wherein, memory is for storing computer program, and processor is for executing computer program
The step of distributed iscsi service implementing method of the above-mentioned any embodiment of Shi Shixian.
The application also provides a kind of computer readable storage medium, and computer-readable recording medium storage has computer journey
Sequence, the step of distributed iscsi service implementing method of above-mentioned any embodiment is realized when computer program is executed by processor.
The computer readable storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For embodiment provide system and
Speech, since it is corresponding with the method that embodiment provides, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above to a kind of distribution iscsi service implementing method provided herein, system, distributed memory system and
Computer readable storage medium is described in detail.Principle and embodiment of the specific case to the application used herein
It is expounded, the description of the example is only used to help understand the method for the present application and its core ideas.It should be pointed out that
For those skilled in the art, under the premise of not departing from the application principle, can also to the application into
Row some improvements and modifications, these improvement and modification are also fallen into the protection scope of the claim of this application.
Claims (10)
1. a kind of distribution iscsi service implementing method characterized by comprising
Read the nodal information of all nodes in distributed memory system；
The destination client controlled in destination node sends connection to the server-side of other all nodes according to the nodal information
Request；Wherein, the destination node is any node in the distributed memory system；
Receive the response message that the server-side is sent using the destination client, establish the destination node and it is described other
Unidirectional connection between all nodes；
The connection request sent using the client that the destination service end in the destination node receives other all nodes；
It controls the destination service end and sends response message to the client, establish the destination node and described other own
Being bi-directionally connected between node.
2. distribution iscsi service implementing method according to claim 1, which is characterized in that the control destination node
In destination client according to the nodal information to the server-side of other all nodes send connection request, comprising:
Control the destination client creation destination client sub thread in the destination node；
It is sent out according to the nodal information to the server-side of other all nodes using the destination client sub thread
Send the connection request.
3. distribution iscsi service implementing method according to claim 1, which is characterized in that described to utilize the target
Destination service end in node receives the connection request that the client of other all nodes is sent, comprising:
Control the destination service end creation destination service terminal thread in the destination node；
It is asked using the connection that the client that the destination service terminal thread receives other all nodes is sent
It asks.
4. distribution iscsi service implementing method according to any one of claims 1 to 3, which is characterized in that described in foundation
After being bi-directionally connected between destination node and other described all nodes, further includes:
Corresponding information and other described institutes will be bi-directionally connected described between the destination node and other described all nodes
There is the nodal information of node to be bound and records into the destination node.
5. a kind of distribution iscsi services realization system characterized by comprising
Nodal information read module, for reading the nodal information of all nodes in distributed memory system；
Connection request send control module, for control the destination client in destination node according to the nodal information to other
The server-side of all nodes sends connection request；Wherein, the destination node is any section in the distributed memory system
Point；
Unidirectional connection establishment module is established for receiving the response message that the server-side is sent using the destination client
Unidirectional connection between the destination node and other described all nodes；
Connection request receiving module, for receiving other all nodes using the destination service end in the destination node
The connection request that client is sent；
It is bi-directionally connected and establishes module, response message is sent to the client for controlling the destination service end, described in foundation
Being bi-directionally connected between destination node and other described all nodes.
6. distribution iscsi according to claim 5 services realization system, which is characterized in that the connection request is sent
Control module, comprising:
Destination client sub thread creates control unit, for controlling the creation of the destination client in destination node mesh
Mark client child thread；
Connection request transmission unit, for using the destination client sub thread according to the nodal information to other described institutes
There is the server-side of node to send the connection request.
7. distribution iscsi according to claim 5 services realization system, which is characterized in that the connection request receives
Module, comprising:
Destination service terminal thread creation control unit, for controlling the creation of the destination service end in destination node mesh
Mark service terminals thread；
Connection request receiving unit, for receiving the visitor of other all nodes using the destination service terminal thread
The connection request that family end is sent.
8. servicing realization system according to the described in any item distribution iscsi of claim 5 to 7, which is characterized in that further include:
Information logging modle, it is corresponding for will be bi-directionally connected described between the destination node and other described all nodes
The nodal information of information and other all nodes is bound and is recorded into the destination node.
9. a kind of distributed memory system characterized by comprising
Memory and processor；Wherein, the memory is for storing computer program, the processor by execute it is described based on
The step of distribution iscsi service implementing methods as described in any item such as Claims 1-4 are realized when calculation machine program.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence is realized when the computer program is executed by processor such as the described in any item distribution iscsi services of Claims 1-4
The step of implementation method.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149232A (en) * | 2019-05-23 | 2019-08-20 | 苏州浪潮智能科技有限公司 | Distributed storage block upgrades iscsi method of servicing, system, device and storage medium |
| CN112311743A (en) * | 2019-07-31 | 2021-02-02 | 中兴通讯股份有限公司 | Communication method and device between storage devices, storage medium and storage device |
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