CN105900068B

CN105900068B - The systems, devices and methods of path management

Info

Publication number: CN105900068B
Application number: CN201480040589.6A
Authority: CN
Inventors: 胡斐然; 郭岩; 曹俊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Cloud Computing Technologies Co Ltd
Priority date: 2014-11-24
Filing date: 2014-11-24
Publication date: 2019-01-15
Anticipated expiration: 2034-11-24
Also published as: WO2016082078A1; CN105900068A

Abstract

The embodiment of the present invention provides a kind of system of path management, device and method, the system of path management includes server and storage equipment, there are at least one session connections between the starter of server and the multiple controllers for storing equipment, the server is at the determining path for needing to increase between the server and the storage equipment, it triggers path and increases operation, corresponding relationship between the start node and destination node of the session connection that the scheduler of storage equipment has built up according to the mark of the starter and storage, the target controller of new route is determined from the multiple controller, so that server and the storage equipment room establish new route.Through the above way, server can automatic request target controller, and the path for increasing to storage device target controller realizes the dynamic management function in path into existing path, avoids since path failure leads to problems such as available path quantity reduce the decline of bring network transmission quality.

Description

The systems, devices and methods of path management

Technical field

The present invention relates to computer fields, more particularly, to a kind of systems, devices and methods of path management.

Background technique

In the scene of conventional data centers, it is smaller to store sizes of memory arrays in equipment, the quantity of storage control compared with It is few, generally 1-4, and store the access of the less therefore traditional storage equipment of hardware and configuration variation after equipment installation Path is generally by the way of static configuration.

With data center's high speed development, the storage size of various applications is increasing, to the performance requirement of storage equipment Also higher and higher.Traditional storage array moves towards distributed structure/architecture, and the scale of storage array is increasing, and the capacity provided is not Disconnected to be promoted, amount controller is also significantly increased.It can mutually be accessed, and then formed one big by network between controller and disk The multipath of scale accesses network matrix.Since storage array uses distributed framework, stores equipment and network configuration is dynamic State variation is more, when path fails, causes the available path quantity of static configuration to reduce, causes under network transmission quality The problems such as drop.Meanwhile number of paths it is very few when be then unable to satisfy after load balancing, path failure and carry out the function such as path switching automatically It can demand.

Summary of the invention

The purpose of the present invention is to provide a kind of method, apparatus of path management and systems, to solve in distributed storage It cannot achieve the problem of path dynamic manages in array.

In a first aspect, the embodiment of the invention provides a kind of system of path management, including server and storage equipment, institute Stating storage equipment includes scheduler and multiple controllers, establishes at least one session between the server and the storage equipment Connection, the start node in the corresponding path of each session connection are the starter of the server, each session connection pair The destination node in the path answered is the controller in the storage equipment, stores the session having built up in the storage equipment and connects The corresponding relationship between start node and destination node connect,

The server, for touching at the determining path for needing to increase between the server and the storage equipment It sends out path and increases operation；

The scheduler, for receiving the path increase request by the server triggers, the path increases in request The mark for carrying the starter of the server, the session having built up according to the mark of the starter and storage connect The corresponding relationship between start node and destination node connect determines the target control of new route from the multiple controller The mark of the determining target controller is sent to the server by device, wherein the target controller and the starting Session connection is not set up between device；

The server is also used to the road established between the target controller according to the mark of the target controller Diameter.

In the first possible embodiment of first aspect, server side is stored with multipath information, the multichannel Diameter information includes the information and path status for identification path.

With reference to first aspect or the first possible embodiment of first aspect, in second of possible embodiment In, when the target controller of the new route of the determination is multiple,

The scheduler is also used to be determined for compliance at least one target of following condition from the multiple target controller Controller:

The starter minimum number of controller connection.

The possible embodiment of with reference to first aspect the first, in the third possible embodiment, the service Device is also used to determine currently available number of passes according to the multipath information, when the available path item number is less than default threshold When value, it is determined that need to increase the path between the server and the storage equipment.

The first any possible embodiment into the third with reference to first aspect, in the 4th kind of possible embodiment In, the server is also used to through any available path, sends status inquiry to the destination node of any available path Instruction, so that the destination node of any available path, to the scheduler dispatches STATUS ENQUIRY message, the state is looked into It askes in message and carries that there are the marks of the controller of session connection with the starter of the server；

The scheduler is also used to receive the STATUS ENQUIRY message, obtains the starter with the server and deposits In the status information of the controller of session connection, there are the controls of session connection for the starter for the described and server that will acquire The status information of device processed returns to the server by the destination node of any available path；

The server, is also used to that there are the controls of session connection according to the starter of the described and server received The status information of device processed, the corresponding path of unavailable controller in the multipath information of deletion record, wherein the mark The information in path includes controller identifier.

The first is to any possible embodiment in the 4th kind with reference to first aspect, in the 5th kind of possible embodiment In, the server is also used to, there are the controller sending cycle detection instruction of session connection, receive return to itself Response message is detected, unavailable path is determined according to the detection response message, updates unavailable road in the multipath information The corresponding path status of diameter.

The first is to any possible embodiment in the 5th kind with reference to first aspect, in the 6th kind of possible embodiment In, the server is instructed specifically for increasing to the destination node transmitting path of any available path, described any to trigger The destination node of available path increases to path described in the scheduler dispatches requests.

The first is to any possible embodiment in the 5th kind with reference to first aspect, in the 7th kind of possible embodiment In, the server is specifically used for triggering the path increase request, and passes through private branch exchange system to the scheduler dispatches institute It states path and increases request, receive the mark for the target controller that the scheduler is returned by the private branch exchange system.

The first is to any possible embodiment in the 5th kind with reference to first aspect, in the 8th kind of possible embodiment In, the server is also used to through private branch exchange system to the scheduler dispatches status query request, and the status inquiry is asked Carry that there are the marks of the controller of session connection with the starter of the server in asking；

The scheduler is also used to receive the STATUS ENQUIRY message, obtains the starter with the server and deposits In the status information of the controller of session connection, by described and the server the starter, there are the controllers of session connection Status information returns to the server by the private branch exchange system, so that the multichannel of the server deletion record The corresponding path of unavailable controller in diameter information, wherein the information of the identification path includes controller identifier.

The first possible embodiment with reference to first aspect, in the 9th kind of possible embodiment, the multipath Information is stored in the configuration file of server side.

Second aspect, the embodiment of the invention provides server, including multi-route management module and starter,

Starter, for establishing and storing at least one session connection between equipment, the corresponding road of each session connection The start node of diameter is the starter of the server, and the destination node in the corresponding path of each session connection is described deposits Store up the controller in equipment；

Multi-route management module, for determining the path for needing to increase between the server and the storage equipment When, triggering path increases operation so that the scheduler of the storage equipment according to the mark of the starter and storage Corresponding relationship between the start node and destination node of the session connection being set up, from multiple controllers of the storage equipment The target controller of middle determining new route；

The starter, the mark for the target controller for being also used to be sent according to the storage equipment build on described Path between target controller.

In the first possible embodiment of second aspect, server side is stored with multipath information, the multichannel Diameter information includes the information and path status for identification path.

The first possible embodiment in conjunction with second aspect, in second of possible embodiment, the multipath Management module is also used to determine currently available number of passes according to the multipath information, when the available path item number is less than When preset threshold, it is determined that need to increase the path between the server and the storage equipment.

It is possible at the third in conjunction with any possible embodiment in second aspect the first or second of second aspect In embodiment, the starter is also used to, there are the controller sending cycle detection instruction of session connection, connect to itself The detection response message returned is received, unavailable path is determined according to the detection response message, is updated in the multipath information The corresponding path status in unavailable path.

In conjunction with the first any possible embodiment into the third of second aspect, in the 4th kind of possible embodiment In,

The multi-route management module increases the control of operation specifically for sending to the starter for initiating path Instruction；

The starter is specifically used for according to the control instruction, to the destination node transmitting path of any available path Increase instruction, the path increases the mark that instruction carries the starter.

In conjunction with second aspect the first to any possible embodiment in the 4th kind, in the 5th kind of possible embodiment In,

The starter is also used to receive the controller state request message that the multi-route management module is sent, passes through Any available path sends status query instruction to the destination node of any available path, and the status query instruction is taken There are the marks of the controller of session connection with the starter for band；

It is returning by any available path with the server to be also used to receive the scheduler for the starter Starter there are the status information of the controller of session connection, unavailable controller in the multipath information of deletion record Corresponding path, wherein the information of the identification path includes controller identifier.

In conjunction with second aspect to second aspect any possible embodiment in the third, in the 6th kind of possible embodiment party In formula,

The multi-route management module, specifically for passing through private branch exchange system to the scheduler dispatches road of the storage equipment Diameter increases request, and the path increases the mark that request carries the starter；

The multi-route management module is also used to receive the mark for the target controller that the scheduler returns, and notifies institute State the new route that starter is established between the target controller.

In conjunction with second aspect to second aspect any possible embodiment in the third, in the 7th kind of possible embodiment party In formula,

The multi-route management module is also used to the scheduler dispatches state by private branch exchange system to the storage equipment Query messages, there are the marks of the controller of session connection with the starter for the STATUS ENQUIRY message carrying；

The multi-route management module, is also used to receive that the scheduler returns that there are session connections with the starter Controller status information, the corresponding path of unavailable controller in the multipath information of deletion record, wherein described The information of identification path includes controller identifier.

The first possible embodiment in conjunction with second aspect, in the 8th kind of possible embodiment, the multipath Information is stored in the configuration file of server side.

The third aspect, the embodiment of the invention provides a kind of storage equipment, the storage equipment include multiple controllers and Scheduler,

At least one controller in the multiple controller, for establishing session connection, the meeting between server Words connect corresponding path start node be server starter, the destination node in the corresponding path of the session connection is Controller in the storage equipment, it is described to store the start node and target section that the session connection having built up is stored in equipment Corresponding relationship between point；

The target controller, the new route for establishing between the starter of the server.

In conjunction with the third aspect, in the third aspect in the first possible embodiment, when the mesh of the determining new route When mark controller is multiple,

The scheduler is also used to be determined for compliance at least one target control of following condition from multiple target controllers Device:

The starter minimum number of controller connection.

In conjunction with the third aspect or the third aspect the first possible embodiment, in second of possible embodiment,

The scheduler is also used to receive by the STATUS ENQUIRY message of the server triggers, the STATUS ENQUIRY message In carry that there are the marks of the controller of session connection with the starter of the server；

The scheduler, there are the marks of the controller of session connection for the starter for being also used to according to described with the server Know and obtain the starter with the server there are the status information of the controller of session connection, the status information that will acquire is returned Back to the server.

In conjunction with second of the third aspect possible embodiment, in the third possible embodiment,

The scheduler, specifically for receiving described in destination node transmission of the server by any available path STATUS ENQUIRY message, by with the starter of the server there are the status information of the controller of session connection pass through it is described any The destination node of available path returns to the server；Or,

The scheduler, what the multi-route management module specifically for receiving the server was sent by private branch exchange system The STATUS ENQUIRY message, by there are the status informations of the controller of session connection described in the starter of the server Private branch exchange system returns to the server.

Fourth aspect, the embodiment of the invention provides a kind of methods of path management, are applied to path management system, described Path management system includes server and storage equipment, and the storage equipment includes scheduler and multiple controllers,

The server establishes at least one session connection between the storage equipment, and each session connection is corresponding The start node in path is the starter of the server, and the destination node in the corresponding path of each session connection is described Store equipment in controller, it is described storage equipment in store the session connection having built up start node and destination node it Between corresponding relationship；

At the determining path for needing to increase between the server and the storage equipment, the server triggers path Increase operation；

The scheduler, which is received, increases request by the path of the server triggers, and the path, which increases in request, carries institute The mark for stating the starter of server, the session connection having built up according to the mark of the starter and storage rise Corresponding relationship between beginning node and destination node determines the target controller of new route from the multiple controller, will be true The mark of the fixed target controller is sent to the server, wherein between the target controller and the starter Session connection is not set up；

The server establishes the path between the target controller according to the mark of the target controller.

In conjunction with fourth aspect, in fourth aspect in the first possible embodiment, server side is stored with multipath letter Breath, the multipath information includes the information and path status for identification path.

In conjunction with fourth aspect or fourth aspect the first possible embodiment, in second of possible embodiment, When the target controller of the new route of the determination is multiple, the method also includes:

The scheduler is determined for compliance at least one target controller of following condition from the multiple target controller:

The starter minimum number of controller connection.

In conjunction with fourth aspect the first or second of possible embodiment, in the third possible embodiment, institute State method further include:

The server determines currently available number of passes according to the multipath information, when the available path item number When less than preset threshold, it is determined that need to increase the path between the server and the storage equipment.

In conjunction with the first any possible embodiment into the third of fourth aspect, in the 4th kind of possible embodiment In, the method also includes:

The server is sent transmission state to the destination node of any available path and is looked by any available path Instruction is ask, so that the destination node of the available path is to the scheduler dispatches STATUS ENQUIRY message, the status inquiry Carry that there are the marks of the controller of session connection with the starter of the server in message；

The scheduler receives the STATUS ENQUIRY message, and obtaining described and the server starter, there are session companies The status information of the controller connect, there are the shapes of the controller of session connection for the starter for the described and server that will acquire State information returns to the server by the destination node of any available path；

There are the controllers of session connection according to the starter of the described and server received for the server Status information, the corresponding path of unavailable controller in the multipath information of deletion record, wherein the identification path Information includes controller identifier.

In conjunction with fourth aspect the first to any possible embodiment in the 4th kind, in the 5th kind of possible embodiment In, the method also includes:

The server, there are the controller sending cycle detection instruction of session connection, receives the inspection of return to itself Response message is surveyed, unavailable path is determined according to the detection response message, updates unavailable path in the multipath information Corresponding path status.

In conjunction with fourth aspect the first to any possible embodiment in the 5th kind, in the 6th kind of possible embodiment In, the triggering path increases operation and includes:

The server increases to the destination node transmitting path of any available path to be instructed, described any available to trigger The destination node in path increases to path described in the scheduler dispatches requests.

It, can at the 7th kind in conjunction with fourth aspect and fourth aspect the first any possible embodiment into the third In the embodiment of energy, the triggering path increases operation and includes:

The server, which is increased by private branch exchange system to path described in the scheduler dispatches, requests.

It, can at the 8th kind in conjunction with fourth aspect and fourth aspect the first any possible embodiment into the third In the embodiment of energy, the method also includes:

The server passes through private branch exchange system to the scheduler dispatches status query request, the status query request In carry that there are the marks of the controller of session connection with the starter of the server；

The scheduler receives the STATUS ENQUIRY message, and obtaining described and the server starter, there are session companies The status information of the controller connect, by described and the server the starter, there are the status informations of the controller of session connection The server is returned to by the private branch exchange system, so that in the multipath information of the server deletion record The corresponding path of unavailable controller, wherein the information of the identification path includes controller identifier.

5th aspect, the embodiment of the invention also provides a kind of methods of path management, are applied to path management system, institute Stating path management system includes server and storage equipment, and the storage equipment includes multiple controllers and scheduler, the side Method includes:

Session connection, the session are established between at least one controller and the server in the multiple controller The start node for connecting corresponding path is the starter of server, and the destination node in the corresponding path of the session connection is institute The controller in storage equipment is stated, the start node and destination node of the session connection having built up are stored in the storage equipment Between corresponding relationship；

The target controller establishes the new route between the starter of the server.

In conjunction with the 5th aspect, the 5th aspect the first possible embodiment in, when the mesh of the new route of the determination When mark controller is multiple, the method also includes:

The scheduler is determined for compliance at least one target controller of following condition from multiple target controllers: control The starter minimum number of device connection.

In conjunction with the 5th aspect, in the 5th second of possible embodiment of aspect, the method also includes:

At least one controller in the multiple controller receives the status query instruction that the server is sent, to institute Scheduler dispatches STATUS ENQUIRY message is stated, carries that there are sessions with the starter of the server in the STATUS ENQUIRY message The mark of the controller of connection；

The scheduler receives the STATUS ENQUIRY message, and obtaining described and the server starter, there are session companies The status information of the controller connect, there are the shapes of the controller of session connection for the starter for the described and server that will acquire State information returns to the server by the destination node of any available path, so that the server deletion record Multipath information in the corresponding path of unavailable controller.

6th aspect, the embodiment of the invention also provides a kind of methods of path management, are applied to path management system, institute Stating path management system includes server and storage equipment, and the server includes multi-route management module and starter, described Storing equipment includes scheduler and multiple controllers, wherein multiple controls of the starter of the server and the storage equipment There are at least one session connection between device processed, the start node in the corresponding path of each session connection is opening for the server Dynamic device, the destination node in the corresponding path of each session connection are the controller in the storage equipment, and the storage is set Corresponding relationship between the standby middle start node and destination node for storing the session connection having built up,

The starter receives the multi-route management module and is determining that need to increase the server sets with the storage The control instruction sent when path between standby, the control instruction is for notifying the starter execution route to increase operation；

Destination node transmitting path increase of the starter by any available path to any available path refers to It enables, the path increases the mark that instruction carries the starter；

The destination node that the scheduler receives any available path increases the road that instruction issues according to the path Diameter distribution request carries the mark of the starter in path allocation request；

The starting section for the session connection that the scheduler has built up according to the mark of the starter and storage Corresponding relationship between point and destination node determines the target controller of new route from the multiple controller, will be determining The mark of the target controller is sent to the server, wherein does not build between the target controller and the starter Vertical session connection；

7th aspect, the embodiment of the invention also provides a kind of devices of path management, which is characterized in that described device packet Include processor, memory, bus and communication interface；

For storing computer executed instructions, the processor is connected with the memory by the bus memory It connects, when the operation of the device of the path management, the computer execution that the processor executes the memory storage refers to It enables, so that the method that the device of the path management executes the path management as described in any in terms of the four to the 6th.

Eighth aspect, the embodiment of the invention also provides a kind of computer-readable medium, including computer executed instructions, with When executing the computer executed instructions for the processor of computer, the computer is executed as any in terms of the four to the 6th The method of the path management.

The embodiment of the invention provides a kind of systems, devices and methods of path management, the system of path management includes clothes Business device and storage equipment, there are at least one session connection, institutes between the starter of server and the multiple controllers for storing equipment It states server and is determining that triggering path increases operation when needing to increase the path between the server and the storage equipment, The start node for the session connection that the scheduler of storage equipment has built up according to the mark of the starter and storage Corresponding relationship between destination node determines the target controller of new route from the multiple controller, so that clothes Business device and the storage equipment room establish new route.By the above-mentioned means, server can automatic request target controller, and increase Be added to storage device target controller path into existing path, realize the dynamic management function in path, avoid due to Path failure leads to problems such as available path quantity reduce the decline of bring network transmission quality.

Detailed description of the invention

It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the system structure diagram of the path management of scene one provided in an embodiment of the present invention；

Fig. 2 is the path schematic diagram of server access storage equipment provided in an embodiment of the present invention；

Fig. 3 is another path schematic diagram of server access storage equipment provided in an embodiment of the present invention；

Fig. 4 is a kind of method flow schematic diagram of path management provided in an embodiment of the present invention；

Fig. 5 is the method flow schematic diagram of the path management of the scene of the offer of the embodiment of the present invention one once；

Fig. 6 is the method flow schematic diagram of another path management of scene provided by Embodiment 2 of the present invention once；

Fig. 7 is the method flow schematic diagram of another path management of the scene of the offer of the embodiment of the present invention three once；

Fig. 8 is the system structure diagram of scene two provided in an embodiment of the present invention；

Fig. 9 is a kind of flow diagram of path management method under scene two provided in an embodiment of the present invention；

Figure 10 is the flow diagram of another path management method under scene two provided in an embodiment of the present invention；

Figure 11 is the flow diagram of another path management method under scene two provided in an embodiment of the present invention；

Figure 12 is the flow diagram of another path management method provided in an embodiment of the present invention；

Figure 13 is the flow diagram of another path management method provided in an embodiment of the present invention；

Figure 14 is the hardware connection structure schematic diagram of path management device provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In the prior art, the multipath information of server connection controller is preset on server, it is dynamic due to lacking The mechanism of state adjusts path, if as soon as paths failure is removed, the path that server can be used has lacked one, can not It is automatically replenished another available path.In the case where extreme, most path may be removed due to failure, lead to nothing Method realizes the functions such as load balancing and failure switching path automatically.

The embodiment of the invention provides a kind of systems of path management, including server and storage equipment, the storage to set Standby includes scheduler and multiple controllers, establishes at least one session connection between the server and the storage equipment, The session connection of foundation constitutes a paths between the server and storage equipment, the corresponding path of each session connection Start node is the starter of the server, and the destination node in the corresponding path of each session connection is that the storage is set Controller in standby.Pair between the start node and destination node for the session connection having built up is stored in the storage equipment It should be related to.

Server can actively initiate path increase operation in the embodiment of the present invention, i.e., need to increase the service in determination When device and the path stored between equipment, triggering path increases operation；

The scheduler for storing equipment, which is received, increases request by the path of the server triggers, and the path increases in request The mark of the starter of the server is carried, the scheduler is that there are sessions with the server for server selection The controller of connection is as target controller, so that establishing new path between the server and the target controller.Tool Body, the start node for the session connection that the scheduler has built up according to the mark of the starter and storage with Corresponding relationship between destination node determines the target controller of new route, described in determining from the multiple controller The mark of target controller is sent to the server, wherein does not set up meeting between the target controller and the starter Words connection；The server establishes the path between the target controller according to the mark of the target controller.Pass through Aforesaid way actively initiates path and increases operation, obtain when server side discovery needs the newly-increased path with storage equipment room The scheduler for storing equipment is the target controller of server distribution, builds on the new route between target controller, from And complete path and increase process, avoid the network caused by the number of paths due to caused by path failure is reduced in the prior art from passing The problems such as transmission quality declines.

Further, server side is stored with multipath information, has built up for recording server with storage equipment room The corresponding routing information of each session connection, the multipath information of storage includes information and road for identification path Diameter state.Wherein, the information for identification path includes the mark of starter and the mark of controller, optionally, described Information for identification path can also include the mark of network interface card.In a specific embodiment, the multipath information can deposit Storage is in the configuration file of server side.It should be noted that when the path of server and storage equipment room changes, institute State the multipath information of server update storage.

Server side is determining that initiation path increases operation when needing to increase path.On the one hand, server can be according to upper State multipath information, available path item number in the determining path having built up with the storage equipment, when the available path item When number is less than preset threshold, initiates the path and increase operation；On the other hand, server can also be to there are session companies with itself The controller sending cycle detection instruction connect, receives the detection response message of return, is determined according to the detection response message There are unavailable paths, so that initiating path increases operation, and update the corresponding road in unavailable path in the multipath information Diameter state.

In a particular embodiment, the server can initiate the path increase operation, example using various ways Such as:

Mode one: the multi-route management module of server determines that available path item number is very few or there are when unavailable path, Control instruction is issued to starter, notice starter initiates path to storage equipment and increases instruction.The starter is receiving When stating control instruction, arbitrary available path is selected as the path is transmitted and increases the transmission channel instructed, when described any When the controller of available path receives the path increase instruction, the path is increased into the starter carried in instruction Mark is sent to scheduler, is the target controller that the server distributes new route by scheduler；

Mode two: the multi-route management module of server determines that available path item number is very few or there are when unavailable path, If the multi-route management module of server is connected directly by the scheduler of management network and storage equipment outside band, without warp Cross the starter of server, but from the multi-route management module by the private branch exchange system of outband management network to the tune Degree device transmitting path increases request, and the starter that the server is carried in the increase request of the path identifies, described in request Scheduler is the target controller of the server distribution new route.

The corresponding relationship being stored in storage equipment between the start node and destination node of the session connection having built up, Scheduler is that the server of new route is requested to distribute available target controller, when there are multiple available target controllers, The scheduler determines the controller for having connected starter minimum number as the target after screening based on the principle of load balancing Controller.It should be noted that corresponding relationship in the storage equipment between the start node and destination node that store can be with Using a variety of specific embodiments, for example, the corresponding relationship is recorded in storage equipment in the form of list, that is, Store recording controller list in equipment, the controller list be used to indicate in the storage equipment start node that stores with Corresponding relationship between destination node.It may include that controller identifier and starter identify in the controller list, further Can also include controller state.

As shown in Figure 1, the system structure diagram of the path management for scene one provided in an embodiment of the present invention.Server 11 by the access storage equipment 12 of interchanger 13 in network, and the system of the path management includes server 11, stores equipment 12 and network in multiple switch 13.Wherein, which includes multi-route management module (also known as Multipath Module) 111 and starter 113 (also known as initiator)；Storage equipment 12 is specifically as follows RAID (Redundant Arrays of independent Disks, raid-array), the storage equipment 12 include multiple controllers 121, Scheduler 122 and several storage mediums do not show in figure for example, LUN (Logical Unit Number, logical unit number) Out.Server 11 is connected to the interchanger 13 in network by the interface of network interface card (HBA, Host Bus Adapter), further Be connected to storage equipment 12 in controller 121 on, specifically, the starter 113 of the server 11 pass through HBA and network In interchanger 13 be connected.

In the system shown in figure 1, the starter 113 of server 11 and the controller 121 of storage equipment 12 are via service The network interface card of device establishes session connection, and the start node in the corresponding path of the session connection is starter 113, the session connection The destination node in corresponding path is controller 121.It can be with from the system connection schematic diagram of Fig. 2 or path management shown in Fig. 3 Find out, the starter 113 of server 11 can be connected to each controller 121 of storage equipment 12, service by mulitpath The network card identification of device 11 and the mark of controller 121 uniquely determine a paths together, as shown in Fig. 2, server can pass through 4 Paths access storage equipment, as shown in figure 3, server can access storage equipment by 8 paths.The net of the server Card mark can include controller IQN (Internet Small for the IP address and port, the mark of the controller of network interface card Computer System Interface Qualified Name, internet small computer system interface legal name), IP Address and port.

To make each entity function in the embodiment of the present invention clear, the embodiment of the present invention is situated between to each entity function in Fig. 1 It continues as follows:

Scheduler (Scheduler) 122, for managing controller 121 and storage resource in storage equipment 12, further , various embodiments of the present invention extend the function of scheduler 122, to be used to provide path allocation function and controller The management function of state；

Controller 121, for providing the storage management and input and output control of storage equipment；

Starter 113, be specifically as follows ISCSI (Internet Small Computer System Interface, because Special net small computer system interface) initiator, for providing the function of connecting and manage with controller 121.

Multi-route management module 111 issues operational order to starter for monitoring starter.The multi-route management Module can be separate hardware or software in server.It is described when the multi-route management module is realized using software module Multi-route management module 111 can realize the control function to starter by the function interface for calling starter to provide.Or Person, the multi-route management module can also control starter by control message.

Starter 113, the operational order issued for receiving and executing multi-route management module 111.

Previous embodiment has carried out basic description to the system of the corresponding path management of scene one, has for clearer introduction The implementation of body, in conjunction with the content of above-mentioned scene one, the embodiment of the invention provides the methods of following path managements.

In conjunction with system architecture as shown in Figure 1, as shown in figure 4, being the path of scene provided in an embodiment of the present invention once The method flow schematic diagram of management, the path management system include server and storage equipment, and the storage equipment includes adjusting Device and multiple controllers are spent,

Step 401: the server establishes at least one session connection between the storage equipment, and each session connects The start node for connecing corresponding path is the starter of the server, the target section in the corresponding path of each session connection Point is the controller in the storage equipment, and the start node and mesh of the session connection having built up are stored in the storage equipment Mark the corresponding relationship between node；

Step 402: at the determining path for needing to increase between the server and the storage equipment, the server It triggers path and increases operation；

Step 403: the scheduler, which is received, increases request by the path of the server triggers, and the path increases request The mark of the middle starter for carrying the server, the session being had built up according to the mark of the starter and storage Corresponding relationship between the start node and destination node of connection determines the target control of new route from the multiple controller The mark of the determining target controller is sent to the server by device, wherein the target controller and the starting Session connection is not set up between device；

Step 404: the server is established between the target controller according to the mark of the target controller Path.

The embodiment of the invention provides a kind of method in path management system administration path, path management system includes service Device and storage equipment, it is described there are at least one session connection between the starter of server and the multiple controllers for storing equipment Server is determining that triggering path increases operation when needing to increase the path between the server and the storage equipment, deposits The start node of session connection that the scheduler of storage equipment has built up according to the mark of the starter and storage with Corresponding relationship between destination node determines the target controller of new route from the multiple controller, so that service Device and the storage equipment room establish new route.By the above-mentioned means, server can automatic request target controller, and increase To the path of storage device target controller into existing path, the dynamic management function in path is realized, is avoided due to road Diameter failure leads to problems such as available path quantity reduce the decline of bring network transmission quality.

In conjunction with system architecture as shown in Figure 1, as shown in figure 5, being the path of scene provided in an embodiment of the present invention once The method flow schematic diagram of management.In embodiments of the present invention, storage equipment includes multiple controllers, i.e. controller 1, controller 2, controller 3 etc., wherein controller 1 is connected with controller 3 with the starter of server side.

The embodiment of the present invention includes:

Stage one: connection building process

Step 501: multi-route management module configures multipath information in server side, and the multipath information includes mark The information and path status in path.The information for identification path includes the mark of starter and the mark of controller, can Choosing, the information for identification path can also include the mark of network interface card.The starter mark includes starter IQN, IP address and port, the controller identifier include controller IQN, IP address and port, and the network card identification includes net Card IP address and port.

Optionally, it can be pre-configured in server side and meet the default threshold of the available path item number of network performance demand Value, when available path item number is less than the preset threshold, network transmission performance is then unable to reach performance requirement.

Further, the multipath information can also include number of passes N.Wherein, the number of passes N is used to indicate The path number that the storage equipment is connected with the starter.

Server side can also include first memory, be used to storage configuration file, institute is recorded in the configuration file State multipath information.

Step 502: scheduler Configuration Control Unit list, the controller list are used to indicate controller and the service of configuration Corresponding relationship between device.The controller list includes: starter mark, controller identifier and path status.Further , the controller list can also include LUN identification, for indicating the addressable LUN of server.

Storing equipment side can also include second memory, for the controller list of record storage equipment side.

Step 503: establishing the session connection between starter and controller, formed a plurality of between starter and controller Path.

It should be noted that the start node in the corresponding path of session connection established is the starter of server, target Node is the controller for storing equipment, and storing the controller list stored in equipment is the start node and destination node Between corresponding relationship a kind of specific implementation, it will be appreciated by persons skilled in the art that storage equipment can use the prior art In other recording modes, the embodiment of the present invention is not limited thereto.

Illustratively, in the embodiment of the present invention, starter establishes session connection with controller 1 and controller 3 respectively, specifically Session connection establish and can use generic way in the prior art, the embodiment of the present invention be not limited thereto.

Stage two: it is periodically detected process.Between the starter for establishing server and multiple controllers of storage equipment Path connection after, multi-route management module control starter established path is periodically detected, comprising:

Step 504: multi-route management module to starter send detection enabled instruction, for notify starter pair with it is described The controller initiation of starter connection is periodically detected；

Step 505: starter is to controller sending cycle detection instruction connected to it；

Illustratively, in embodiments of the present invention, starter refers to controller 1 and the detection of 3 sending cycle of controller respectively It enables.

Step 506: starter receives the detection response message that controller returns, true according to the detection response message received Fixed unavailable path；

Illustratively, starter receives the detection response message that controller 1 returns, when it is normal for detecting response message, The starter determines that the path for sending the response message is normal；It is rung when the controller 3 connecting with starter does not return to detection When answering message or returning to error detection response message, then starter determines that the not sent detection connecting with the controller 3 response disappears Breath or the path for sending error detection response message are unavailable path, the multipath information recorded in step 1 are updated, by institute It states the corresponding path status in unavailable path in multipath information and is set as unavailable.

Stage three: when there is path unavailable, path increases process

Step 507: multi-route management module obtains the information for being currently unavailable path by monitoring the starter；

Specifically, multi-route management module can be to the query messages of starter sending cycle, the determining and starting The current state in the connected each path of device.

Step 508: multi-route management module sends control instruction to starter, and the control instruction is for notifying described open Dynamic device initiates path and increases process；

Illustratively, multi-route management module knows that the path status that starter is connect with controller 3 is unavailable, multichannel Diameter management module sends control instruction to starter, and notice starter initiates path and increases process.

Step 509: starter is that available controller transmitting path increases instruction to path status connected to it, described Path increases the mark in instruction including starter；

Specifically, passing through when there are when a plurality of available path, the starter is available between server and storage equipment Any available path increases to the destination node transmitting path of any available path to be instructed.Illustratively, starter is to control The transmission of device 1 ISCSI instruction processed, the ISCSI instruction increase a new path for requesting, and the ISCIS is instructed specific Format is as follows:

Key/value pairs

Keyvalue:requestnewtarget=one

It should be noted that it can be more that the path that starter is sent to controller, which increases the new route quantity of instruction request, Item.

Step 510: the available controller for receiving the path increase instruction increases to scheduler dispatches path requests, institute It states path and increases the mark for carrying the starter in request；

Specifically, in embodiments of the present invention, after controller 1 receives ISCSI instruction, increasing to scheduler dispatches path Request, the target controller of request distribution new route.

Step 511: scheduler Read Controller list from the configuration file stored in storage equipment, is the starter It distributes target controller (such as controller 2), and the mark of target controller is sent to described can use controller；

In embodiments of the present invention, scheduler is responsible for the distribution in path, and scheduler can be based on the paths such as load balancing point The distribution in path is carried out with algorithm.

When scheduler, which receives path, increases request, controller list is traversed, is opened according to what is carried in the increase request of path The identifier lookup of dynamic device meets the controller of following condition:

The state of controller is to work normally；

The corresponding starter mark distributed starter identification list and do not included request distribution path of controller；

The starter minimum number of controller connection.

It should be noted that scheduler can be randomly selected any when there are multiple controllers for meeting above-mentioned condition It is a or multiple.The mark of the starter is added to the starter identification list of distribution of selected target controller by scheduler In, and the mark of the target controller is returned to described can use controller.Conversely, when can not find qualified controller When, then it distributes and fails, scheduler can return to distribution failure response message to described with controller.

Step 512: described can be carried the mark of the target controller with controller increases in response message in path It is sent to the starter, the mark of the target controller includes IP address and the port of target controller.

Step 513: the starter receives the path and increases response message, obtains the path and increases in response message The mark of the target controller is sent to the multi-route management module by the mark of the target controller of carrying；

Step 514: the multi-route management module notifies the starter and the target controller to establish session connection；

Step 515: the starter updates the multipath information of server side storage, builds between the target controller New route.

It should be noted that being illustrated in the embodiment of the present invention by controller 2 of target controller, this field skill For art personnel it is understood that when target controller is multiple, starter can establish meeting with multiple target controllers respectively Words connection, to constitute a plurality of new path.

In the embodiment of the present invention, in discovery there are when unavailable path, server side initiates path and increases process, by Path increases the mark that starter is carried in instruction, so that the scheduler of storage equipment side can use the mark according to the starter Controller list is searched, newly distributes target controller for the starter, the starter is thus with newly assigned target control Device establishes session connection, completes path and increases process.By the above-mentioned means, ensure that server and storage equipment room available path Quantity, when storing the distributive array dilatation of equipment, can the controller automatically by new dilatation use, realize point Cloth stores the dynamic management in path in equipment.

In conjunction with system structure as shown in Figure 1, as shown in fig. 6, for scene provided in an embodiment of the present invention once another The method flow schematic diagram in kind path management system administration path.It is that above-described embodiment passes through week with above-described embodiment difference The detection of phase property obtains unavailable routing information, and server triggers path increases operation, and in embodiments of the present invention, server inspection It surveys and determines currently available number of passes, the increasing when the currently available number of passes connecting with starter is not up to systemic presupposition threshold value Add path.The connection relationship of each component is identical in the connection relationship with previous embodiment one of each component in the embodiment of the present invention.

Method provided in an embodiment of the present invention the following steps are included:

Stage one: connection building process

The connection building process of the embodiment of the present invention is similar with previous embodiment one, and the present invention repeats no more.

Stage two: when available path item number is less than preset threshold, path increases process

Step: 604: starter described in multi-route management module monitors obtains the available path being connected with the starter Item number；

Specifically, multi-route management module can send inquiry instruction to starter, the starter receive it is described After inquiry instruction, currently available number of passes is determined according to the multipath information of server side, and by the available path item number Return to the multi-route management module.In another feasible embodiment, starter is after receiving inquiry instruction, by portion Point or whole multipath information return to the multi-route management module, multi-route management module receive it is described partly or entirely After multipath information, currently available number of passes is determined.Illustratively, starter can be with by the path status in multipath information Occur to the multi-route management module, multi-route management module carries out the system of available path item number according to the path status Meter.

In another embodiment, multi-route management module can directly query service device sidelights record multipath letter Breath, obtains currently available number of passes.

Step 605: multi-route management module determines whether the available path item number is less than preset threshold, if described can It is less than the preset threshold with number of passes, then sends control instruction to starter, the control instruction is for notifying starter It initiates to increase path process；

Step 606: the starter is that available controller transmitting path increases instruction to path status connected to it, It include the mark of starter in instruction；

When there are a plurality of available path, the starter can be randomly selected any available path and transmit the path increasing Add instruction.

Step 607-612 is similar with the step 510-515 of previous embodiment one, and the embodiment of the present invention repeats no more.

In the embodiment of the present invention, server side, which is pre-set, meets the default threshold of the necessary available path of network performance demand Value, multi-route management module obtains currently available number of passes by monitoring starter, when currently available number of passes does not reach When the preset threshold, initiates path and increase process, thus ensure that server and store the quantity of equipment room available path, it is real The dynamic management in path in distributed storage device is showed.

In conjunction with system structure as shown in Figure 1, as shown in fig. 7, for scene provided in an embodiment of the present invention once another The method flow schematic diagram of kind path management, comprising:

Stage one: connection building process

Step 701-703 is similar with step 501-503, and the embodiment of the present invention repeats no more.

Stage two: when it is unavailable for finding controller state, server side removes corresponding path

Step 704: multi-route management module sends controller state request message to starter, opens for obtaining with described The status information of the connected controller of dynamic device；

Step 705: starter is that available controller sends status query instruction to path status connected to it, described The mark for the controller being connected with the starter is carried in status query instruction；

Specifically, when there are it is multiple be connected with the starter and path status be available controller when, starter can The status query instruction is used for transmission with any available path is randomly choosed.

Step 706: the available controller for receiving the status query instruction disappears to the scheduler dispatches status inquiry Breath, the STATUS ENQUIRY message include the mark of the controller being connected with the starter.

Step 707: the scheduler inquires the controller list, according to the mark for the controller being connected with the starter Know the status information for obtaining the controller being connected with the starter, the controller being connected with the starter that will acquire Status information can use controller described in returning to；

Step 708: described the status information of the controller being connected with the starter to be passed through into institute with controller It states starter and returns to the multi-route management module；

Step 709: the multi-route management module sends more new command to the starter, and the starter is notified to update The multipath information, so that deleting state is the corresponding path of not available controller.Due to the multichannel of server side storage Record has controller identifier in diameter information, that is, can recognize and delete the relevant path of unavailable controller.

In the embodiment of the present invention, multi-route management module controls starter, is inquired by any available path to scheduler The status information for the controller being connected with the starter obtains the state for the controller being connected with the starter from scheduler Information, to identify unavailable controller, deletion state is the corresponding path of not available controller.That is, when storage equipment When distributive array volume reduction, server can automatically be rejected the controller being not present.

As shown in figure 8, being the system structure diagram of scene two provided in an embodiment of the present invention, the difference with scene one exists In in the embodiment of the present invention, the multi-route management module of server side is straight by out-of-band way and the scheduler of storage equipment side Connect it is connected, i.e., multi-route management module by management network in private branch exchange system be connected with the scheduler.Multi-route management Module can directly initiate path to scheduler and increase process, or the control being connected with the starter of server is obtained to scheduler The state of device processed.

In conjunction with system architecture as shown in Figure 8, as shown in figure 9, the embodiment of the invention provides a kind of roads under scene two The flow diagram of diameter management method describes the process for increasing path newly when there are unavailable path.Wherein, illustratively, Starter is connected with controller 1 and controller 3, the scheduler that multi-route management module passes through private branch exchange system and storage equipment side It is connected.It should be noted that private branch exchange system is only a kind of implementation for band connection that the embodiment of the present invention provides, ability Field technique personnel it is understood that can also realize that the band between multi-route management module and scheduler is outer by other means Connection, the embodiment of the present invention are not limited thereto.

The embodiment of the present invention includes:

Stage one: connection building process.

Stage two: it is periodically detected process.

Step 901- step 906 is similar with the executive mode of step 501-506, and the embodiment of the present invention repeats no more.

Stage three: when there is path unavailable, path increases process

Step 907: multi-route management module obtains the information for being currently unavailable path by monitoring the starter；

Step 908: multi-route management module obtains the information in the unavailable path, increases to the scheduler dispatches path Add request, the path increases the mark that request carries the starter；

Illustratively, multi-route management module can obtain starter and be believed according to the multipath by monitoring starter The message returned is ceased, knows that the path status that starter is connect with controller 3 is unavailable.

Step 909: scheduler Read Controller list from the configuration file stored in storage equipment, according to the starting Device is identified as the target controller of the starter new route, and the mark of target controller is increased in response in path and is sent to The multi-route management module.

Specifically, scheduler distributes new controller according to controller current state and load, for the starter.Specifically The method of salary distribution is similar with step 511, and the embodiment of the present invention repeats no more.Illustratively, the embodiment of the present invention is by taking controller 2 as an example It is illustrated, target of the scheduler according to path allocation algorithms selection controller 2 as the new route distributed for the starter The mark of controller 2 is returned to the multi-route management module by controller.

Step 910: the mark of the newly assigned target controller is sent to described open by the multi-route management module Dynamic device, notifies the starter and the target controller to establish session connection；

Step 911: starter updates the multipath information of server side storage, by the road between the target controller The information of diameter is added in the multipath information, builds on the new route between the target controller.

In the embodiment of the present invention, the multi-route management module of server and the scheduler of storage equipment pass through outband management net The private branch exchange system of network is connected, and in discovery there are when unavailable path, server side initiates path and increases process, by path Increase the mark that starter is carried in request, so that the scheduler of storage equipment side can use the identifier lookup according to the starter Controller list newly distributes target controller for the starter, and the starter with newly assigned target controller to build Vertical new route.By the above-mentioned means, ensure that server and store the quantity of equipment room available path, when the distribution of storage equipment When formula array dilatation, can the controller automatically by new dilatation use, realize the dynamic of path in distributed storage device State management.

In conjunction with system architecture as shown in Figure 8, as shown in Figure 10, the embodiment of the invention provides the another kinds under scene two The flow diagram of path management method, the available path item number for describing when starter and storing between the controller of equipment are small Path when preset threshold increases process.

The embodiment of the present invention includes:

Stage one: connection building process.

Step 1001-1003 connection building process, it is similar with step 501-503；

Step 1004: starter described in multi-route management module monitors obtains the available path being connected with the starter Item number；

In another embodiment, multi-route management module can inquire multipath information, obtain currently available path Item number.

Step 1005: multi-route management module determines whether the available path item number is less than preset threshold, if described The preset threshold can be less than with item number, be sent by the private branch exchange system in management network to the scheduler dispatches of storage equipment Path increases request, and the path increases the mark that the starter is carried in request；

Step 1006- step 1008 is similar with step 909-911, and the embodiment of the present invention repeats no more.

In the embodiment of the present invention, server side, which is pre-set, meets the default threshold of the necessary available path of network performance demand Value, multi-route management module obtains currently available number of passes by monitoring starter, when currently available number of passes does not reach It when the preset threshold, initiates path and increases process increase new route, to ensure that server and storage equipment room can use road The quantity of diameter realizes the dynamic management in path in distributed storage device.

System architecture as shown in connection with fig. 8, as shown in figure 11, the embodiment of the invention provides another roads under scene two The flow diagram of diameter management method, comprising:

Stage one: connection building process

Step 1101-1103 connection building process, it is similar with step 501-503；

Step 1104: multi-route management module passes through private branch exchange system to scheduler dispatches status request message, for obtaining The status information for the controller being connected with the starter is taken, the status request message carries the control being connected with the starter The mark of device processed；

Step 1105: the scheduler inquires the controller list, according to the control being connected with the starter The mark of device obtains the status information for the controller being connected with the starter, the control being connected with the starter that will acquire The status information of device processed returns to the multi-route management module；

Step 1106: the multi-route management module sends more new command to the starter, and the more new command carries The status information of the controller being connected with the starter got notifies the starter to be connected according to the starter Controller state information updating described in multipath information, deletion state be the corresponding path of not available controller.

In the embodiment of the present invention, multi-route management module is connected from scheduler acquisition with starter by private branch exchange system The status information of controller, to identify unavailable controller, it is corresponding for not available controller that control starter deletes state Path.That is, server can automatically pick the controller being not present when storing the distributive array volume reduction of equipment It removes.

It should be noted that newly-increased target controller can be a controller in the various embodiments described above of the present invention Or multiple controllers, when currently available number of passes is less, scheduler can once return to the mark of multiple target controllers, So that establishing a plurality of new route between starter and the multiple target controller.

It as shown in figure 12, is the method flow schematic diagram of another path management provided in an embodiment of the present invention, Yi Zhonglu The method of diameter management, is applied to path management system, and the path management system includes server and storage equipment, the storage Equipment includes multiple controllers and scheduler, which comprises

Step 1201: session company is established between at least one controller and the server in the multiple controller It connects, the start node in the corresponding path of the session connection is the starter of server, the corresponding path of the session connection Destination node is the controller in the storage equipment, and the starting section for the session connection having built up is stored in the storage equipment Corresponding relationship between point and destination node；

Step 1202: the scheduler, which is received, increases request by the path of the server triggers, and the path, which increases, to be asked Ask the mark of the middle starter for carrying the server, the meeting having built up according to the mark of the starter and storage The corresponding relationship between the start node and destination node of connection is talked about, the target control of new route is determined from the multiple controller The mark of the determining target controller is sent to the server, wherein the target controller is opened with described by device processed Session connection is not set up between dynamic device；

Step 1203: the target controller establishes the new route between the starter of the server.

Further, when the target controller of the new route of the determination is multiple, the method also includes:

The method also includes:

As shown in figure 13, it is the method for another path management provided in an embodiment of the present invention, is applied to path management system System, the path management system include server and storage equipment, and the server includes multi-route management module and starter, The storage equipment includes scheduler and multiple controllers, wherein the starter of the server is more with the storage equipment There are at least one session connection between a controller, the start node in the corresponding path of each session connection is the server Starter, the destination node in the corresponding path of each session connection is the controller in the storage equipment, described to deposit The corresponding relationship between the start node and destination node for the session connection having built up is stored in storage equipment,

Step 1301: the starter receives the multi-route management module and needs to increase the server and institute in determination The control instruction sent when stating the path between storage equipment, the control instruction is for notifying the starter execution route to increase Add operation；

Step 1302: the starter sends road to the destination node of any available path by any available path Diameter increases instruction, and the path increases the mark that instruction carries the starter, and it is described for notifying that the path increases instruction The destination node of any available path increases to the scheduler dispatches path requests, so that the scheduler is opened according to Corresponding relationship between the start node and destination node of the session connection having built up of the mark and storage of dynamic device, from The target controller of new route is determined in the multiple controller, wherein between the target controller and the starter not Establish session connection；

Step 1303: the server is established between the target controller according to the mark of the target controller Path.

Corresponding with aforementioned approaches method embodiment, the embodiment of the invention also provides a kind of servers, including multipath pipe Module and starter are managed,

It is stored in the storage equipment between the start node and destination node of the session connection having built up The scheduler of corresponding relationship, the storage equipment is identified as the server according to the corresponding relationship and the starter The target controller for distributing new route, does not set up session connection between the target controller and the starter.

Wherein, server side is stored with multipath information, the multipath information include for identification path information with And path status.

The multi-route management module is also used to determine currently available number of passes according to the multipath information, work as institute When stating available path item number less than preset threshold, it is determined that need to increase the road between the server and the storage equipment Diameter.

The starter is also used to receive to there are the controller sending cycle detection instructions of session connection with itself The detection response message of return determines unavailable path according to the detection response message, updates in the multipath information not The corresponding path status of available path.

The embodiment of the invention also provides a kind of storage equipment, the storage equipment includes multiple controllers and scheduler,

When the target controller of the determining new route is multiple,

The starter minimum number of controller connection.

Further, as shown in figure 14, the embodiment of the invention provides a kind of server or the hardware compositions of storage equipment Schematic diagram.In specific product realization, the server or storage equipment include at least one processor (such as CPU), at least One network interface or other communication interfaces, memory and at least one communication bus, for realizing these above-described embodiments In connection communication between each component.Processor realizes above-mentioned each implementation for executing the executable module stored in memory The function of the components such as multi-route management module, starter, controller and scheduler in example.Memory may comprising high speed with Machine accesses memory (RAM:Random Access Memory), it is also possible to further include non-labile memory (non- Volatile memory), a for example, at least magnetic disk storage.(it can be wired or nothing by least one network interface Line) realize communication connection between the system gateway and at least one other network element, internet can be used, wide area network is local Net, Metropolitan Area Network (MAN) etc..

In some embodiments, program instruction, including computer executed instructions are stored in computer-readable medium, with When executing the computer executed instructions for the processor of computer, the computer is executed such as institute any in the various embodiments described above The method for the path management stated.Wherein, program instruction may include all parts pointed out in the above embodiment of the present invention, each component Concrete implementation mode can be found in the corresponding contents in the above embodiment of the present invention, and which is not described herein again.

As seen through the above description of the embodiments, those skilled in the art can be understood that above-mentioned implementation All or part of the steps in example method can be realized by means of software and necessary general hardware platform.Based on such Understand, substantially the part that contributes to existing technology can be in the form of software products in other words for technical solution of the present invention It embodies, which can store in storage medium, such as ROM/RAM, magnetic disk, CD, including several Instruction is used so that a computer equipment (can be personal computer, resource management server, or Media Gateway etc. Network communication equipment, etc.) execute method described in certain parts of each embodiment of the present invention or embodiment.

It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment it Between same and similar part may refer to each other, each embodiment focuses on the differences from other embodiments. For equipment and system embodiment, since it is substantially similar to the method embodiment, so describe fairly simple, The relevent part can refer to the partial explaination of embodiments of method.Equipment and system embodiment described above is only schematic , wherein unit may or may not be physically separated as illustrated by the separation member, it is shown as a unit Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks On unit.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs. Those of ordinary skill in the art can understand and implement without creative efforts.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention It is interior.

Claims

1. a kind of system of path management, which is characterized in that including server and storage equipment, the storage equipment includes scheduling Device and multiple controllers establish at least one session connection, each session connection between the server and the storage equipment The start node in corresponding path is the starter of the server, the destination node in the corresponding path of each session connection It is described to store the start node and target that the session connection having built up is stored in equipment for the controller in the storage equipment Corresponding relationship between node,

The server, for triggering road at the determining path for needing to increase between the server and the storage equipment Diameter increases operation；

The scheduler, for receiving the path increase request by the server triggers, the path increases to be carried in request The mark of the starter of the server, the session connection being had built up according to the mark of the starter and storage Corresponding relationship between start node and destination node determines the target controller of new route from the multiple controller, will The mark of the determining target controller is sent to the server, wherein the target controller and the starter it Between do not set up session connection；

The server is also used to the path established between the target controller according to the mark of the target controller.

2. the system as claimed in claim 1, which is characterized in that server side is stored with multipath information, the multipath letter Breath includes the information and path status for identification path.

3. system as claimed in claim 1 or 2, which is characterized in that when the target controller of the new route of the determination is more When a,

The scheduler is also used to be determined for compliance at least one target control of following condition from the multiple target controller Device:

The starter minimum number of controller connection.

4. system as claimed in claim 2, which is characterized in that

The server is also used to determine currently available number of passes according to the multipath information, when the available path item When number is less than preset threshold, it is determined that need to increase the path between the server and the storage equipment.

5. system as claimed in claim 2 or 4, which is characterized in that

The server is also used to send state by any available path to the destination node of any available path and look into Instruction is ask, so that the destination node of any available path is to the scheduler dispatches STATUS ENQUIRY message, the state Carry that there are the marks of the controller of session connection with the starter of the server in query messages；

The scheduler, is also used to receive the STATUS ENQUIRY message, obtains that there are session companies with the starter of the server The status information of the controller connect, there are the shapes of the controller of session connection for the starter for the described and server that will acquire State information returns to the server by the destination node of any available path；

The server, is also used to that there are the controllers of session connection according to the starter of the described and server received Status information, the corresponding path of unavailable controller in the multipath information of deletion record, wherein the identification path Information include controller identifier.

6. system as claimed in claim 2 or 4, which is characterized in that

The server is also used to receive and return to there are the controller sending cycle detection instructions of session connection with itself Detection response message, unavailable path is determined according to the detection response message, is updated unavailable in the multipath information The corresponding path status in path.

7. the system as described in claim 1,2 or 4 is any, which is characterized in that

The server is instructed specifically for increasing to the destination node transmitting path of any available path, to trigger described appoint The destination node of meaning available path increases to path described in the scheduler dispatches requests.

8. the system as described in claim 1,2 or 4 is any, which is characterized in that

The server is specifically used for triggering the path increase request, and passes through private branch exchange system to the scheduler dispatches The path increases request, receives the mark for the target controller that the scheduler is returned by the private branch exchange system.

9. system as claimed in claim 2 or 4, which is characterized in that

The server is also used to through private branch exchange system to the scheduler dispatches STATUS ENQUIRY message, the status inquiry Carry that there are the marks of the controller of session connection with the starter of the server in message；

The scheduler is also used to receive the STATUS ENQUIRY message, obtains the starter with the server and there is meeting The status information for talking about the controller of connection, by described and the server the starter, there are the states of the controller of session connection Information returns to the server by the private branch exchange system, so that the multipath of the server deletion record is believed The corresponding path of unavailable controller in breath, wherein the information of the identification path includes controller identifier.

10. system as claimed in claim 2, which is characterized in that the multipath information is stored in the configuration text of server side In part.

11. a kind of server, which is characterized in that including multi-route management module and starter,

Starter, for establishing and storing at least one session connection between equipment, the corresponding path of each session connection Start node is the starter of the server, and the destination node in the corresponding path of each session connection is that the storage is set Controller in standby；

Multi-route management module, for touching at the determining path for needing to increase between the server and the storage equipment It sends out path and increases operation, so that the scheduler of the storage equipment is according to the mark of the starter and having built up for storage Session connection start node and destination node between corresponding relationship, from it is described storage equipment multiple controllers in determine The target controller of new route；

The mark of the starter, the target controller for being also used to be sent according to the storage equipment builds on the target Path between controller.

12. server as claimed in claim 11, which is characterized in that server side is stored with multipath information, the multichannel Diameter information includes the information and path status for identification path.

13. server as claimed in claim 12, which is characterized in that

The multi-route management module is also used to determine currently available number of passes according to the multipath information, when it is described can When being less than preset threshold with number of passes, it is determined that need to increase the path between the server and the storage equipment.

14. the server as described in claim 12-13 is any, which is characterized in that

The starter is also used to receive and return to there are the controller sending cycle detection instructions of session connection with itself Detection response message, unavailable path is determined according to the detection response message, is updated unavailable in the multipath information The corresponding path status in path.

15. server as described in claim 12 or 13, which is characterized in that

The multi-route management module refers to specifically for sending to the starter for initiating the control that path increase operates It enables；

The starter is specifically used for being increased according to the control instruction to the destination node transmitting path of any available path Instruction, the path increase the mark that instruction carries the starter.

16. server as described in claim 12 or 13, which is characterized in that

The starter is also used to receive the controller state request message that the multi-route management module is sent, by any Available path sends status query instruction to the destination node of any available path, the status query instruction carry with There are the marks of the controller of session connection for the starter；

The starter, is also used to receive that the scheduler returned by any available path opens with the server Dynamic device is there are the status information of the controller of session connection, and unavailable controller is corresponding in the multipath information of deletion record Path, wherein the information of the identification path includes controller identifier.

17. the server as described in claim 11-13 is any, which is characterized in that

The multi-route management module, specifically for being increased by private branch exchange system to the scheduler dispatches path of the storage equipment Add request, the path increases the mark that request carries the starter；

The multi-route management module is also used to receive the mark for the target controller that the scheduler returns, opens described in notice Dynamic device establishes the new route between the target controller.

18. server as described in claim 12 or 13, which is characterized in that

The multi-route management module is also used to the scheduler dispatches status inquiry by private branch exchange system to the storage equipment Message, there are the marks of the controller of session connection with the starter for the STATUS ENQUIRY message carrying；

The multi-route management module, is also used to receive that the scheduler returns that there are the controls of session connection with the starter The status information of device processed, the corresponding path of unavailable controller in the multipath information of deletion record, wherein the mark The information in path includes controller identifier.

19. server as claimed in claim 12, which is characterized in that the multipath information is stored in the configuration of server side In file.

20. a kind of storage equipment, which is characterized in that the storage equipment includes multiple controllers and scheduler,

At least one controller in the multiple controller, for establishing session connection between server, the session connects The start node for connecing corresponding path is the starter of server, and the destination node in the corresponding path of the session connection is described Store equipment in controller, it is described storage equipment in store the session connection having built up start node and destination node it Between corresponding relationship；

21. storage equipment as claimed in claim 20, which is characterized in that when the target controller of the determining new route is When multiple,

The scheduler is also used to be determined for compliance at least one target controller of following condition from multiple target controllers:

The starter minimum number of controller connection.

22. the storage equipment as described in claim 20 or 21, which is characterized in that

The scheduler is also used to receive by the STATUS ENQUIRY message of the server triggers, is taken in the STATUS ENQUIRY message With the starter with the server, there are the marks of the controller of session connection；

The scheduler, there are the marks of the controller of session connection to obtain for the starter for being also used to according to described with the server It takes with the starter of the server there are the status information of the controller of session connection, the status information that will acquire returns to The server.

23. storage equipment, feature are being as claimed in claim 22,

The scheduler, the state sent specifically for receiving the server by the destination node of any available path Query messages, by with the starter of the server there are the status information of the controller of session connection pass through it is described any available The destination node in path returns to the server；Or,

The scheduler, the multi-route management module specifically for receiving the server pass through described in private branch exchange system transmission STATUS ENQUIRY message, by there are the status informations of the controller of session connection by described dedicated with the starter of the server Interchanger returns to the server.

24. a kind of method of path management, which is characterized in that be applied to path management system, the path management system includes Server and storage equipment, the storage equipment includes scheduler and multiple controllers,

The server establishes at least one session connection between the storage equipment, the corresponding path of each session connection Start node be the server starter, the destination node in the corresponding path of each session connection is the storage Controller in equipment, it is described to store between the start node and destination node that store the session connection having built up in equipment Corresponding relationship；

Determining that the server triggers path increases when needing to increase the path between the server and the storage equipment Operation；

The scheduler, which is received, increases request by the path of the server triggers, and the path, which increases in request, carries the clothes The mark of the starter of business device, the starting section for the session connection being had built up according to the mark of the starter and storage Corresponding relationship between point and destination node determines the target controller of new route from the multiple controller, will be determining The mark of the target controller is sent to the server, wherein does not build between the target controller and the starter Vertical session connection；

25. method as claimed in claim 24, which is characterized in that server side is stored with multipath information, the multipath Information includes the information and path status for identification path.

26. the method as described in claim 24 or 25, which is characterized in that when the target controller of the new route of the determination is When multiple, the method also includes:

The starter minimum number of controller connection.

27. method as claimed in claim 25, which is characterized in that the method also includes:

The server determines currently available number of passes according to the multipath information, when the available path item number is less than When preset threshold, it is determined that need to increase the path between the server and the storage equipment.

28. the method as described in claim 25 or 27, which is characterized in that the method also includes:

The server sends status query instruction by any available path, to the destination node of any available path, So that the destination node of the available path to the scheduler dispatches STATUS ENQUIRY message, is taken in the STATUS ENQUIRY message With the starter with the server, there are the marks of the controller of session connection；

The scheduler receives the STATUS ENQUIRY message, and obtaining described and the server starter, there are session connections The status information of controller, there are the state of the controller of session connection letters for the starter for the described and server that will acquire Breath returns to the server by the destination node of any available path；

There are the states of the controller of session connection according to the starter of the described and server received for the server Information, the corresponding path of unavailable controller in the multipath information of deletion record, wherein the information of the identification path Including controller identifier.

29. the method as described in claim 25 or 27, which is characterized in that the method also includes:

The server is to, there are the controller sending cycle detection instruction of session connection, the detection for receiving return is rung with itself Message is answered, unavailable path is determined according to the detection response message, it is corresponding to update unavailable path in the multipath information Path status.

30. the method as described in claim 24,25 or 27 is any, which is characterized in that the triggering path increases operation and includes:

The server increases to the destination node transmitting path of any available path to be instructed, to trigger any available path Destination node to path described in the scheduler dispatches increase request.

31. the method as described in claim 24,25 or 27 is any, which is characterized in that the triggering path increases operation and includes:

32. the method as described in claim 25 or 27, which is characterized in that the method also includes:

The server to the scheduler dispatches STATUS ENQUIRY message, is taken by private branch exchange system in the STATUS ENQUIRY message With the starter with the server, there are the marks of the controller of session connection；

The scheduler receives the STATUS ENQUIRY message, and obtaining described and the server starter, there are session connections The status information of controller, by the starter with the server, there are the status informations of the controller of session connection to pass through The private branch exchange system returns to the server, so that can not in the multipath information of the server deletion record With the corresponding path of controller, wherein the information of the identification path includes controller identifier.

33. a kind of method of path management, which is characterized in that be applied to path management system, the path management system includes Server and storage equipment, the storage equipment includes multiple controllers and scheduler, which comprises

Session connection, the session connection are established between at least one controller and the server in the multiple controller The start node in corresponding path is the starter of server, and the destination node in the corresponding path of the session connection is described deposits The controller in equipment is stored up, it is described to store between the start node and destination node that store the session connection having built up in equipment Corresponding relationship；

34. method as claimed in claim 33, which is characterized in that when the target controller of the new route of the determination is multiple When, the method also includes:

The scheduler is determined for compliance at least one target controller of following condition from multiple target controllers:

The starter minimum number of controller connection.

35. method as claimed in claim 33, which is characterized in that the method also includes:

At least one controller in the multiple controller receives the status query instruction that the server is sent, to the tune It spends device and sends STATUS ENQUIRY message, carry that there are session connections with the starter of the server in the STATUS ENQUIRY message Controller mark；

The scheduler receives the STATUS ENQUIRY message, and obtaining described and the server starter, there are session connections The status information of controller, there are the state of the controller of session connection letters for the starter for the described and server that will acquire Breath returns to the server by the destination node of any available path, so that the multipath of the server deletion record The corresponding path of unavailable controller in information.

36. a kind of method of path management, which is characterized in that be applied to path management system, the path management system includes Server and storage equipment, the server includes multi-route management module and starter, and the storage equipment includes scheduler With multiple controllers, wherein have at least one between the starter of the server and multiple controllers of the storage equipment A session connection, the start node in the corresponding path of each session connection are the starter of the server, each session The destination node for connecting corresponding path is the controller stored in equipment, and storage has built up in the storage equipment Corresponding relationship between the start node and destination node of session connection,

The starter receive the multi-route management module determine need to increase the server and the storage equipment it Between path when the control instruction that sends, the control instruction is for notifying the starter execution route to increase operation；

The starter, which is increased by any available path to the destination node transmitting path of any available path, to be instructed, institute It states path and increases the mark that instruction carries the starter, the path increases instruction for notifying any available path Destination node increases to the scheduler dispatches path requests, so that the scheduler is according to the mark of the starter and deposits Corresponding relationship between the start node and destination node of the session connection having built up of storage, from the multiple controller The target controller of middle determining new route, wherein do not set up session connection between the target controller and the starter；

37. a kind of device of path management, which is characterized in that described device includes that processor, memory, bus and communication connect Mouthful；

For storing computer executed instructions, the processor is connect with the memory by the bus memory, When the operation of the device of the path management, the processor executes the computer executed instructions of the memory storage, So that the method that the device of the path management executes the path management as described in any in claim 24-36.

38. a kind of computer-readable medium, which is characterized in that including computer executed instructions, so that the processor of computer is held When the row computer executed instructions, the computer executes the side of the path management as described in any in claim 24-36 Method.