CN105515969A - Method and device for establishing link and method and device for sending notification - Google Patents
Method and device for establishing link and method and device for sending notification Download PDFInfo
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- CN105515969A CN105515969A CN201510883513.6A CN201510883513A CN105515969A CN 105515969 A CN105515969 A CN 105515969A CN 201510883513 A CN201510883513 A CN 201510883513A CN 105515969 A CN105515969 A CN 105515969A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The invention relates to the technical field of network storage, and in particular relates to a method and a device for establishing a link and a method and a device for sending a notification, for solving the problem that in the prior art the link connection cannot be automatically restored. The method for establishing the link comprises the steps of receiving a command which instructs to modify the first address of a first port into a second address by a starter, and adding the second address after confirming that the first address and the second address are the addresses belonging to different network segments; selecting the address in the idle state from the addresses which are in the same network segment with the second address, sending a command which instructs to replace the third address of a second port with the address in the idle state to a target, and deleting the first address of the starter; and establishing a new link for operating business. According to the method for establishing the link, when the port address of the starter changes at different network segments, the new link can be automatically established through re-determining the port address of the target in the link, and thereby the business disruption occurring when the port address changes is avoided.
Description
Technical field
The present invention relates to technical field of network storage, particularly a kind of set up link method and starter and a kind of method and object machine sending notice.
Background technology
ISCSI (InternetSmallComputerSystemInterface, network small computer system interface) is a kind of memory technology based on internet, and increasing scene applies to iscsi technology at present.And iSCSI business operates in TCP/IP (TransmissionControlProtocol/InternetProtocol, transmission control protocol/Internet Protocol) on basis, in the business scenario of reality, DHCP (DynamicHostConfigurationProtocol may be there is, DHCP) server failure etc., the IP address of the port of starter or object machine is changed, cause the disconnection of the link running iSCSI business between starter and object machine, thus cause the interruption of iSCSI business.
Specifically, the iSCSI business networking of object machine and starter comprises two kinds of scenes, a kind of is the direct-connected scene of business as shown in Figure 1a, when array A initiates to establish the link to array B, array A is starter, array B is object machine, otherwise, when array B initiates to establish the link to array A, array B is starter, array A is object machine, array A is directly connected by netting twine or optical fiber cable with array B, and the IP address of pre-configured array A and array B port, the link running iSCSI business is set up between array A and array B, thus make can normally run iSCSI business between array A and array B, but, when array A or array B changes for the IP address running the port of iSCSI business, run linking of iSCSI business between array A with array B to disconnect, cause the interruption of iSCSI business.
A kind of is exchange networking scene as shown in Figure 1 b, by netting twine or optical fiber cable, by array 1 to array n all access switch, iSCSI business is run by switch between array i and array j, wherein, 1≤i≤n, 1≤j≤n, i ≠ j, when array i initiates to establish the link to array j, array i is starter, array j is object machine, otherwise, array j is starter, array i is object machine, when array i or array j changes for the IP address running the port of iSCSI business, run linking of iSCSI business between array i with array j to disconnect, cause the interruption of iSCSI business.
In sum, the change of different segment is there is in the IP address of the port of the operation iSCSI business of starter, when causing iSCSI service disconnection, need to resume operation manually the connection of iSCSI service link, but this recovery link-attached mode cost is high, time is long, and the loss caused is larger.
Summary of the invention
The embodiment of the present invention provides a kind of method and the starter of setting up link, and a kind of method and object machine sending notice, when the change that different segment occurs in the IP address running the port of iSCSI business due to starter in order to solve existing existence causes iSCSI service disconnection, can not automatically recover link-attached problem.
First aspect, provides a kind of method setting up link, comprising:
Starter receives to be used to indicate and two address order is revised as in the first address of the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
Described starter, after determining that described first address and described second address belong to the address of different segment, is described first described second address of port increase; And
From being the address of the same network segment with described second address, select an address being in idle condition, be in the address of idle condition for replacing the 3rd address of the second port in described object machine described in selecting, described second port is for running another port of the link of described business between described starter and described object machine;
Described starter is used to indicate to described object machine transmission the order the 3rd address of described second port being replaced with the address being in idle condition described in selection by described first address, and delete the first address of described first port, retain described second address;
Described starter, by described second address and the described address being in idle condition, is set up between described starter and object machine for running the new link of described business.
In conjunction with first aspect, in the first possible implementation of first aspect, described starter deletes the first address of described first port, after retaining described second address, set up between described starter and object machine for run described business new link before, also comprise:
Described starter receive be used to indicate that the 3rd address of described second port replaced with the address of the idle condition of selection by described object machine complete response.
In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second of first aspect is possible, described method also comprises:
If described starter determines that described first address and described second address belong to the address of the same network segment, the first address of described first port is replaced with described second address;
Described starter, by the second address of described first port and the 3rd address of described second port, is set up between described starter and object machine for running the new link of described business.
In conjunction with first aspect or the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the third possible implementation of first aspect, described business is network small computer system interface iSCSI business.
Second aspect, provides a kind of method setting up link, comprising:
Starter receives to be used to indicate and two address order is revised as in the first address of the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
First address of described first port, after determining that described first address and described second address belong to the address of the same network segment, is replaced with described second address by described starter;
Described starter passes through the 3rd address of the second address of described first port and the second port of described object machine, set up for running the new link of described business between described starter and described object machine, described second port is for running another port of the link of described business between described starter and described object machine.
In conjunction with second aspect, in the first possible implementation of second aspect, described business is network small computer system interface iSCSI business.
The third aspect, provides a kind of method sending notice, comprising:
Object machine receives to be used to indicate and four address order is revised as in the 3rd address of the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
Described object machine, after determining that described 3rd address and the described four-address belong to the address of different segment, is the described four-address of described second port increase; And
From being the address of the same network segment with the described four-address, select an address being in idle condition, be in the address of idle condition for replacing the first address of the first port of described starter described in selecting, described first port is for running another port of the link of described business between described object machine and described starter;
Described object machine sends to described starter the address being in idle condition that is used to indicate and the first address of described first port replaced with selection by described 3rd address and the 3rd address of described second port has been replaced with four address notice, to make described starter be in the address of idle condition and the described four-address described in selecting, set up between described starter and object machine for running the new link of described business;
Described object machine deletes the 3rd address of described second port, retains the described four-address.
In conjunction with the third aspect, in the first possible implementation of the third aspect, described object machine reception also comprises after the 3rd address of the second port of described object machine is replaced with four address order:
If described object machine determines that described 3rd address and the described four-address belong to the address of the same network segment, the 3rd address of described second port is replaced with the described four-address, and
3rd address of described second port is replaced with four address notice and sends to starter, to make described starter by the first address of the first port of the described four-address and described starter, set up between described starter and described object machine for running the new link of described business.
In conjunction with the first possible implementation of the third aspect or the third aspect, in the implementation that the second of the third aspect is possible, described business is network small computer system interface iSCSI business.
Fourth aspect, provides a kind of method sending notice, comprising:
Object machine receives to be used to indicate and four address order is revised as in the 3rd address of the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
3rd address of described second port, after determining that described 3rd address and the described four-address belong to the address of the same network segment, is replaced with the described four-address by described object machine, and
Send to be used to indicate to starter and the 3rd address of described second port is replaced with four address notice, to make described starter by the first address of the first port of the described four-address and described starter, set up for running the new link of described business between described starter and described object machine, described first port is for running another port of the link of described business between described object machine and described starter.
In conjunction with fourth aspect, in the first possible implementation of fourth aspect, described business is network small computer system interface iSCSI business.
5th aspect, provides a kind of method setting up link, comprising:
3rd address of the second port of described object machine is replaced with four address notice by being used to indicate that starter receiving target device sends, and described second port is for running a port of the link of a business between described starter and described object machine;
3rd address of the second port of described object machine is replaced with the described four-address by described starter;
Described starter is by the four-address of the first address of the first port of described starter and the second port of described object machine, set up for running the new link of described business between described starter and object machine, described first port is for running another port of the link of described business between described starter and described object machine.
In conjunction with the 5th aspect, in the first the possible implementation in the 5th, described business is network small computer system interface iSCSI business.
6th aspect, provides a kind of method setting up link, comprising:
What starter receiving target device sent be used to indicate to replace with the address being in idle condition that described object machine selects and the 3rd address of the second port of described object machine is replaced with four address notice by the first address of the first port of described starter, described first port is for running a port of the link of a business between described starter and described object machine, and described second port is for running another port of the link of described business between described starter and object machine;
First address of described first port is replaced with the address being in idle condition described in selection by described starter, and the 3rd address of described second port is replaced with the described four-address;
Being in the address of idle condition and the described four-address described in described starter passes through, setting up between described starter and described object machine for running the new link of described business.
In conjunction with the 6th aspect, in the first the possible implementation in the 6th, described business is network small computer system interface iSCSI business.
7th aspect, provides a kind of starter setting up link, comprising:
First Transmit-Receive Unit, is revised as two address order for receiving the first address be used to indicate the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
First processing unit, for after determining that described first address and described second address belong to the address of different segment, for described first port increases described second address; And
From being the address of the same network segment with described second address, select an address being in idle condition, be in the address of idle condition for replacing the 3rd address of the second port in described object machine described in selecting, described second port is for running another port of the link of described business between described starter and described object machine;
Described first Transmit-Receive Unit, also for being used to indicate to described object machine transmission the order the 3rd address of described second port being replaced with the address being in idle condition described in selection by described first address;
Described first processing unit also for, delete the first address of described first port, retain described second address; And by described second address and the described address being in idle condition, set up between described starter and object machine for running the new link of described business.
In conjunction with the 7th aspect, in the first the possible implementation in the 7th, described first Transmit-Receive Unit, also for:
Delete the first address of described first port at described first processing unit, after retaining described second address, receive be used to indicate that the 3rd address of described second port replaced with the address of the idle condition of selection by described object machine complete response.
In conjunction with the first possible implementation of the 7th aspect or the 7th aspect, in the implementation that the second in the 7th is possible, described first processing unit, also for:
If determine, described first address and described second address belong to the address of the same network segment, and the first address of described first port is replaced with described second address; By the second address of described first port and the 3rd address of described second port, set up between described starter and object machine for running the new link of described business.
In conjunction with the 7th aspect or the first possible implementation of the 7th aspect or the possible implementation of the second of the 7th aspect, in the third the possible implementation in the 7th, described business is network small computer system interface iSCSI business.
Eighth aspect, provides a kind of starter setting up link, comprising:
Second Transmit-Receive Unit, is revised as two address order for receiving the first address be used to indicate the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
Second processing unit, for after determining that described first address and described second address belong to the address of the same network segment, replaces with described second address by the first address of described first port; By the 3rd address of the second address of described first port and the second port of described object machine, set up for running the new link of described business between described starter and described object machine, described second port is for running another port of the link of described business between described starter and described object machine.
In conjunction with eighth aspect, in the first possible implementation of eighth aspect, described business is network small computer system interface iSCSI business.
9th aspect, provides a kind of object machine sending notice, comprising:
3rd Transmit-Receive Unit, is revised as four address order for receiving the 3rd address be used to indicate the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
3rd processing unit, for after determining that described 3rd address and the described four-address belong to the address of different segment, for described second port increases the described four-address; And
From being the address of the same network segment with the described four-address, select an address being in idle condition, be in the address of idle condition for replacing the first address of the first port of described starter described in selecting, described first port is for running another port of the link of described business between described object machine and described starter;
Described 3rd Transmit-Receive Unit, also for sending to described starter the address being in idle condition that is used to indicate and the first address of described first port replaced with selection by described 3rd address and the 3rd address of described second port having been replaced with four address notice, to make described starter be in the address of idle condition and the described four-address described in selecting, set up between described starter and object machine for running the new link of described business;
Described 3rd processing unit, also for deleting the 3rd address of described second port, retains the described four-address.
In conjunction with the 9th aspect, in the first the possible implementation in the 9th, described 3rd processing unit, also for:
After the 3rd address of the second port of described object machine is replaced with four address order by described 3rd Transmit-Receive Unit reception, determine that described 3rd address and the described four-address belong to the address of the same network segment, the 3rd address of described second port is replaced with the described four-address;
Described 3rd Transmit-Receive Unit, also send to starter for the 3rd address of described second port has been replaced with four address notice, to make described starter by the first address of the first port of the described four-address and described starter, set up between described starter and described object machine for running the new link of described business.
In conjunction with the first possible implementation of the 9th aspect or the 9th aspect, in the implementation that the second in the 9th is possible, described business is network small computer system interface iSCSI business.
Tenth aspect, provides a kind of object machine sending notice, comprising:
4th Transmit-Receive Unit, is revised as four address order for receiving the 3rd address be used to indicate the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
Fourth processing unit, for after determining that described 3rd address and the described four-address belong to the address of the same network segment, replaces with the described four-address by the 3rd address of described second port;
Described 4th Transmit-Receive Unit, also for sending to be used to indicate to described starter, the 3rd address of described second port is replaced with four address notice, to make described starter by the first address of the first port of the described four-address and described starter, set up for running the new link of described business between described starter and described object machine, described first port is for running another port of the link of described business between described object machine and described starter.
In conjunction with the tenth aspect, in the first the possible implementation in the tenth, described business is network small computer system interface iSCSI business.
11 aspect, provides a kind of starter setting up link, comprising:
5th Transmit-Receive Unit, for being used to indicate of receiving target device transmission, the 3rd address of the second port of described object machine is replaced with four address notice, described second port is for running a port of the link of a business between described starter and described object machine;
5th processing unit, the 3rd address for the second port by described object machine replaces with the described four-address; And by the four-address of the first address of the first port of described starter and the second port of described object machine, set up for running the new link of described business between described starter and object machine, described first port is for running another port of the link of described business between described starter and described object machine.
In conjunction with the 11 aspect, in the first the possible implementation in the 11, described business is network small computer system interface iSCSI business.
12 aspect, provides a kind of starter setting up link, comprising:
6th Transmit-Receive Unit, first address of the first port of described starter replaced with for being used to indicate of sending of receiving target device the address being in idle condition that described object machine selects and the 3rd address of the second port of described object machine is replaced with four address notice, described first port is for running a port of the link of a business between described starter and described object machine, and described second port is for running another port of the link of described business between described starter and object machine;
6th processing unit, for the first address of described first port is replaced with the address being in idle condition described in selection, replaces with the described four-address by the 3rd address of described second port; And described in passing through, be in the address of idle condition and the described four-address, set up between described starter and described object machine for running the new link of described business.
In conjunction with the 12 aspect, in the first the possible implementation in the 12, described business is network small computer system interface iSCSI business.
In this application, due at object machine when the change of the port address generation different segment of an operation business, the address of two ports running this business between object machine and starter can be redefined, starter can set up new link according to the address of two ports of this business of operation redefined, thus avoid when the port address running this business changes, cause the interruption of this business run between starter and object machine, and because new link is set up without the need to manual hand manipulation in the address redefining two ports running this business in the present invention, reduce the cost of manual hand manipulation simultaneously, improve the efficiency of work.
Accompanying drawing explanation
Fig. 1 a is iSCSI business networking scene schematic diagram in prior art;
Fig. 1 b is iSCSI business networking scene schematic diagram in prior art;
Fig. 2 is embodiment of the present invention starter and object machine connection diagram;
Fig. 3 is the schematic flow sheet that the embodiment of the present invention sets up link;
Fig. 4 is the schematic flow sheet that the embodiment of the present invention sets up link;
Fig. 5 is the schematic diagram that the embodiment of the present invention sets up the starter of link;
Fig. 6 is the schematic diagram that the embodiment of the present invention sets up the starter of link;
Fig. 7 is the schematic diagram that the embodiment of the present invention sends the object machine of notice;
Fig. 8 is the schematic diagram that the embodiment of the present invention sends the object machine of notice;
Fig. 9 is the schematic diagram that the embodiment of the present invention sets up the starter of link;
Figure 10 is the schematic diagram that the embodiment of the present invention sets up the starter of link.
Embodiment
In order to make the object of the application, technical scheme and advantage clearly, be described in further detail the application below in conjunction with accompanying drawing, obviously, described embodiment is only a part of embodiment of the application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the application's protection.
Due to when business is iSCSI business, when the port address running the link of business between starter and object machine is revised as other addresses, or starter receives the amendment order of port address, or object machine receives the amendment order of port address, regardless of the amendment order receiving port address when starter, the port address of starter is revised as new address, or the port address of object machine is revised as new address by the amendment order receiving port address when object machine, in prior art, the port address of the link of operation business does not but change, therefore, cause the link down of operation business, and cause the interruption of iSCSI business.
Wherein, in the embodiment of the present invention, starter is the equipment initiatively initiating to establish the link, object machine is the passive equipment accepting to connect, when business is iSCSI business, starter and object machine can be different storage arrays, and when business is other business, starter and object machine are run equipment corresponding to other business.
When business is other business, model and the iSCSI business model of other business are similar, perform step similar, do not repeat them here when its concrete execution step and business are iSCSI business.
Be that the present invention is described in detail by reference to the accompanying drawings for example for iSCSI business below with business.
Shown in Figure 2, run iSCSI business between first port 200 of starter 20 and the second port 201 of object machine 21, starter 20 sets up by the 3rd address of the first address of the first port 200 and the second port 201 of object machine 21 link running iSCSI business.
When two address order is revised as in the first address that starter 20 receives the first port 200, as shown in Figure 3, the embodiment of the present invention sets up the method for link, comprising:
Step 300, starter 20 receives to be used to indicate and two address order is revised as in the first address of the first port 200;
Step 301, starter 20 judges that whether the first address and the second address be the address of the same network segment, if so, then performs step 302, otherwise performs step 304;
Step 302, the first address of the first port 200 is replaced with the second address by starter 20;
Step 303, starter 20 sets up the new link for running iSCSI business by the second address of the first port 200 and the 3rd address of the second port 201 being kept at object machine 21 in starter 20, and this flow process terminates.
Step 304, starter 20 is that the first port 201 increases by the second address;
Step 305, starter 20, from being the address of the same network segment with the second address, selects an address being in idle condition, and this address being in idle condition is for replacing the 3rd address of the second port 201 in object machine 21;
Optionally, by PING order from being the address of the same network segment with the 3rd address, an address being in idle condition is selected.
Step 306, starter 20 by the first address to object machine 21 send be used to indicate the 3rd address of the second port 201 replaced with this selection be in the order of the address of idle condition after, delete the first address of the first port 200, retain the second address;
Step 307, object machine 21 receive and perform the 3rd address of the second port 201 replaced with this selection be in the order of the address of idle condition after, send to starter 20 by being used to indicate the response that completes the 3rd address of the second port 201 being replaced with the address of the idle condition of selection;
Step 308, starter 20 receive object machine 21 send complete response after, be in the address of idle condition by the second address of the first port 200 and the second port 201 of object machine 21, set up the new link for running iSCSI business, this flow process terminates.
Pass through said method, when the port address of starter changes, no matter the port address of starter changes is the change of address between same network segment, or the change of address between different segment, can according to the change of starter port address, the new link running iSCSI business is set up accordingly by new address, thus the port address avoided because of starter changes and causes the interruption of iSCSI business, and because the method automatically performs, without the need to artificial participation, because this reducing the cost of manual hand manipulation simultaneously, improve the efficiency of work.
When four address order is revised as in the 3rd address that object machine 21 receives the second port 201, as shown in Figure 4, the embodiment of the present invention sets up the method for link, comprising:
Step 400, object machine 21 receives to be used to indicate and four address order is revised as in the 3rd address of the second port 201;
Step 401, object machine 21 judges that whether the four-address and the 3rd address be the address of the same network segment, if so, then performs step 402, otherwise performs step 405;
Step 402, the 3rd address of the second port 201 is replaced with the four-address by object machine 21;
Step 403, object machine 21 to be sent to starter 20 by the 3rd address and is used to indicate the 3rd address of the second port 201 is replaced with four address notice;
Step 404, starter 20 is after receiving and being used to indicate the 3rd address of the second port 201 is replaced with four address notice, 3rd address of the second port of the object machine of preservation is replaced with the described four-address, and by the first address of the first port 200 and the four-address of the second port 201, set up the new link running iSCSI business, this flow process terminates;
Step 405, object machine 21 is that the second port 201 increases the four-address;
Step 406, object machine 21, from being the address of the same network segment with the four-address, selects an address being in idle condition, and this address being in idle condition is for replacing the first address of the first port 200 of starter 20;
Optionally, by PING order from being the address of the same network segment with the four-address, select an address being in idle condition.
Step 407, object machine 21 to be sent to starter 20 by the 3rd address and is used to indicate the address being in idle condition that the first address of the first port 200 replaced with selection and after the 3rd address of the second port 201 is replaced with four address notice, delete the 3rd address of the second port 201, retain the four-address;
Step 408, starter 20 receives and is used to indicate the address being in idle condition that the first address of the first port 200 replaced with selection and after the 3rd address of the second port 201 is replaced with four address notice, first address of the first port 200 is replaced with the address being in idle condition of selection, and the 3rd address of object machine second port 201 of preservation is replaced with the four-address;
Step 409, starter 20, by being in address and the four-address of idle condition, sets up the link running iSCSI business.
By the method in Fig. 4, when the port address of object machine changes, no matter the port address of object machine changes is the change of address between same network segment, or the change of address between different segment, starter can according to the change of object machine port address, new iSCSI service link is set up accordingly by new address, thus the port address avoided because of starter changes and causes the interruption of iSCSI business, and because the method automatically performs, without the need to artificial participation, because this reducing the cost of manual hand manipulation simultaneously, improve the efficiency of work.
In an embodiment of the present invention, due to the port address of starter and object machine is arranged in the same network segment, just can make the link of setting up communication between object machine and starter, therefore, when the port address that object machine and starter run iSCSI business changes, need first to judge whether to be the address in the same network segment with port address before.Concrete, when business is iSCSI business, the port address of starter and object machine is IP (InternetProtocol, procotol) address.
Based on same inventive concept, a kind of starter established the link is additionally provided in the embodiment of the present invention, the method that the equipment established the link due to the embodiment of the present invention is corresponding is a kind of method established the link, and therefore the enforcement of present device see the enforcement of method, can repeat part and repeat no more.
Based on same inventive concept, a kind of object machine sending notice is additionally provided in the embodiment of the present invention, the method that the equipment established the link due to the embodiment of the present invention is corresponding is a kind of method sending notice, and therefore the enforcement of present device see the enforcement of method, can repeat part and repeat no more.
As shown in Figure 5, the embodiment of the present invention sets up the starter of link, comprising:
First Transmit-Receive Unit 500, is revised as two address order for receiving the first address be used to indicate the first port of starter, and the first port is for running a port of the link of a business between starter and object machine;
First processing unit 501, for after determining that the first address and the second address belong to the address of different segment, is that the first port increases by the second address; And
From being the address of the same network segment with the second address, select an address being in idle condition, the address being in idle condition selected is for replacing the 3rd address of the second port in object machine, and the second port is for running another port of the link of business between starter and object machine;
First Transmit-Receive Unit 500, also for being used to indicate to object machine transmission the order being in the address of idle condition the 3rd address of the second port being replaced with selection by the first address;
First processing unit 501 also for, delete the first address of the first port, retain the second address; And by the second address and the address being in idle condition, set up between starter and object machine for running the new link of this business.
Optionally, the first Transmit-Receive Unit 500, also for:
Delete the first address of the first port at the first processing unit, after retaining the second address, receive be used to indicate that the 3rd address of the second port replaced with the address of the idle condition of selection by object machine complete response.
Optionally, the first processing unit 501, also for:
If determine, the first address and the second address belong to the address of the same network segment, and the first address of the first port is replaced with the second address; By the second address of the first port and the 3rd address of the second port, set up between starter and object machine for running the new link of this business.
Optionally, this business is network small computer system interface iSCSI business.
Schematic to the division of unit in the embodiment of the present invention, be only a kind of logic function to divide, actual can have other dividing mode when realizing, in addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also can be independent physics exist, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Wherein, when integrated unit both can adopt the form of hardware to realize, the entity hardware in the corresponding starter of the first Transmit-Receive Unit 500 can be transceiver, and the entity hardware in the corresponding starter of the first processing unit 501 can be processor.
As shown in Figure 6, the embodiment of the present invention sets up the starter of link, comprising:
Second Transmit-Receive Unit 600, is revised as two address order for receiving the first address be used to indicate the first port of starter, and the first port is for running a port of the link of a business between starter and object machine;
Second processing unit 601, for after determining that the first address and the second address belong to the address of the same network segment, replaces with the second address by the first address of the first port; By the 3rd address of the second address of the first port and the second port of object machine, set up for running the new link of this business between starter and object machine, the second port is for running another port of the link of this business between starter and object machine.
Optionally, this business is network small computer system interface iSCSI business.
Schematic to the division of unit in the embodiment of the present invention, be only a kind of logic function to divide, actual can have other dividing mode when realizing, in addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also can be independent physics exist, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Wherein, when integrated unit both can adopt the form of hardware to realize, the entity hardware in the corresponding starter of the first Transmit-Receive Unit 500 can be transceiver, and the entity hardware in the corresponding starter of the first processing unit 501 can be processor.
As shown in Figure 7, the embodiment of the present invention sends the object machine of notice, comprising:
3rd Transmit-Receive Unit 700, is revised as four address order for receiving the 3rd address be used to indicate the second port of object machine, and the second port is for running a port of the link of a business between object machine and starter;
3rd processing unit 701, for after determining that the 3rd address and the four-address belong to the address of different segment, is that the second port increases the four-address; And
From being the address of the same network segment with the four-address, select an address being in idle condition, the address being in idle condition selected is for replacing the first address of the first port of starter, and the first port is for running another port of the link of this business between object machine and starter;
3rd Transmit-Receive Unit 700, also be used to indicate the address being in idle condition that the first address of the first port replaced with selection for being sent to starter by the 3rd address and the 3rd address of the second port replaced with four address notice, with the address being in idle condition and the four-address that make starter pass through selection, set up between starter and object machine for running the new link of business;
3rd processing unit 701, also for deleting the 3rd address of the second port, retains the four-address.
Optionally, the 3rd processing unit 701, also for:
After the 3rd Transmit-Receive Unit 700 receives the 3rd address of the second port of object machine replaced with four address order, determine that the 3rd address and the four-address belong to the address of the same network segment, the 3rd address of the second port is replaced with the four-address;
3rd Transmit-Receive Unit 700, also for sending to be used to indicate to starter, the 3rd address of the second port is replaced with four address notice, to make starter by the first address of the first port of the four-address and starter, set up between starter and object machine for running the new link of this business.
Optionally, this business is network small computer system interface iSCSI business.
Schematic to the division of unit in the embodiment of the present invention, be only a kind of logic function to divide, actual can have other dividing mode when realizing, in addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also can be independent physics exist, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Wherein, when integrated unit both can adopt the form of hardware to realize, the entity hardware in the corresponding starter of the first Transmit-Receive Unit 500 can be transceiver, and the entity hardware in the corresponding starter of the first processing unit 501 can be processor.
As shown in Figure 8, the embodiment of the present invention sends the object machine of notice, comprising:
4th Transmit-Receive Unit 800, is revised as four address order for receiving the 3rd address be used to indicate the second port of object machine, and the second port is for running a port of the link of a business between object machine and starter;
Fourth processing unit 801, for after determining that the 3rd address and the four-address belong to the address of the same network segment, replaces with the four-address by the 3rd address of the second port;
4th Transmit-Receive Unit 800, also send to starter for the 3rd address of the second port has been replaced with four address notice, to make starter by the first address of the first port of the four-address and starter, set up for running the new link of business between starter and object machine, the first port is for running another port of the link of this business between object machine and starter.
Optionally, this business is network small computer system interface iSCSI business.
As shown in Figure 9, the embodiment of the present invention sets up the starter of link, comprising:
5th Transmit-Receive Unit 900, for being used to indicate of receiving target device transmission, the 3rd address of the second port of object machine is replaced with four address notice, the second port is for running a port of the link of a business between starter and object machine;
5th processing unit 901, the 3rd address for the second port by object machine replaces with the four-address; And by first address of the first port of starter and the four-address of the second port of object machine, set up for running the new link of business between starter and object machine, the first port is for running another port of the link of this business between starter and object machine.
Optionally, this business is network small computer system interface iSCSI business.
Schematic to the division of unit in the embodiment of the present invention, be only a kind of logic function to divide, actual can have other dividing mode when realizing, in addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also can be independent physics exist, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Wherein, when integrated unit both can adopt the form of hardware to realize, the entity hardware in the corresponding starter of the first Transmit-Receive Unit 500 can be transceiver, and the entity hardware in the corresponding starter of the first processing unit 501 can be processor.
As shown in Figure 10, the embodiment of the present invention sets up the starter of link, comprising:
6th Transmit-Receive Unit 1000, first address of the first port of starter replaced with for being used to indicate of sending of receiving target device the address being in idle condition that object machine selects and the 3rd address of the second port of object machine is replaced with four address notice, first port is for running a port of the link of a business between starter and object machine, and the second port is for running another port of the link of business between starter and object machine;
6th processing unit 1001, for the first address of the first port being replaced with the address being in idle condition of selection, replaces with the four-address by the 3rd address of the second port; And by the address that is in idle condition and the four-address, set up between starter and object machine for running the new link of this business.
Optionally, business is network small computer system interface iSCSI business.
Schematic to the division of unit in the embodiment of the present invention, be only a kind of logic function to divide, actual can have other dividing mode when realizing, in addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also can be independent physics exist, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Wherein, when integrated unit both can adopt the form of hardware to realize, the entity hardware in the corresponding starter of the first Transmit-Receive Unit 500 can be transceiver, and the entity hardware in the corresponding starter of the first processing unit 501 can be processor.
It can be seen from the above: starter receives to be used to indicate and two address order is revised as in the first address of the first port of starter, and the first port is for running a port of the link of a business between described starter and object machine; After determining that the first address and the second address belong to the address of different segment, for described first port increases described second address; And from being the address of the same network segment with the second address, select an address being in idle condition, the address being in idle condition selected is for replacing the 3rd address of the second port in described object machine, and the second port is for running another port of the link of this business between described starter and described object machine; Be used to indicate to object machine transmission the order the 3rd address of the second port being replaced with the address being in idle condition described in selection by the first address, and delete the first address of the first port, retain the second address; By described second address and the described address being in idle condition, set up between described starter and object machine for running the new link of described business.When this technical scheme owing to running the change of port address generation different segment of a business between object machine and starter, the address of two ports running this business between object machine and starter can be redefined, starter can set up new link according to the address of two ports of this business of operation redefined, thus avoid when the port address of operation business changes, cause the interruption of the business run between starter and object machine, and new link is set up without the need to manual hand manipulation in the address due to two ports redefining operation business in the present invention, reduce the cost of manual hand manipulation simultaneously, improve the efficiency of work.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, read-only optical disc, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, device (equipment) and computer program and/or block diagram.Should understand can by the combination of each flow process in computer program instructions realization flow figure and/or block diagram and/or the flow process in square frame, flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising all changes and the amendment that preferred embodiment falls into the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (30)
1. set up a method for link, it is characterized in that, comprising:
Starter receives to be used to indicate and two address order is revised as in the first address of the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
Described starter, after determining that described first address and described second address belong to the address of different segment, is described first described second address of port increase; And
From being the address of the same network segment with described second address, select an address being in idle condition, be in the address of idle condition for replacing the 3rd address of the second port in described object machine described in selecting, described second port is for running another port of the link of described business between described starter and described object machine;
Described starter is used to indicate to described object machine transmission the order the 3rd address of described second port being replaced with the address being in idle condition described in selection by described first address, and delete the first address of described first port, retain described second address;
Described starter, by described second address and the described address being in idle condition, is set up between described starter and object machine for running the new link of described business.
2. the method for claim 1, is characterized in that, described starter deletes the first address of described first port, after retaining described second address, set up between described starter and object machine for run described business new link before, also comprise:
Described starter receive be used to indicate that the 3rd address of described second port replaced with the address of the idle condition of selection by described object machine complete response.
3. method as claimed in claim 1 or 2, it is characterized in that, described method also comprises:
If described starter determines that described first address and described second address belong to the address of the same network segment, the first address of described first port is replaced with described second address;
Described starter, by the second address of described first port and the 3rd address of described second port, is set up between described starter and object machine for running the new link of described business.
4. the method as described in as arbitrary in claims 1 to 3, it is characterized in that, described business is network small computer system interface iSCSI business.
5. set up a method for link, it is characterized in that, comprising:
Starter receives to be used to indicate and two address order is revised as in the first address of the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
First address of described first port, after determining that described first address and described second address belong to the address of the same network segment, is replaced with described second address by described starter;
Described starter passes through the 3rd address of the second address of described first port and the second port of described object machine, set up for running the new link of described business between described starter and described object machine, described second port is for running another port of the link of described business between described starter and described object machine.
6. method as claimed in claim 5, it is characterized in that, described business is network small computer system interface iSCSI business.
7. send a method for notice, it is characterized in that, comprising:
Object machine receives to be used to indicate and four address order is revised as in the 3rd address of the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
Described object machine, after determining that described 3rd address and the described four-address belong to the address of different segment, is the described four-address of described second port increase; And
From being the address of the same network segment with the described four-address, select an address being in idle condition, be in the address of idle condition for replacing the first address of the first port of described starter described in selecting, described first port is for running another port of the link of described business between described object machine and described starter;
Described object machine sends to described starter the address being in idle condition that is used to indicate and the first address of described first port replaced with selection by described 3rd address and the 3rd address of described second port has been replaced with four address notice, to make described starter be in the address of idle condition and the described four-address described in selecting, set up between described starter and object machine for running the new link of described business;
Described object machine deletes the 3rd address of described second port, retains the described four-address.
8. method as claimed in claim 7, is characterized in that, described object machine reception also comprises after the 3rd address of the second port of described object machine is replaced with four address order:
If described object machine determines that described 3rd address and the described four-address belong to the address of the same network segment, the 3rd address of described second port is replaced with the described four-address, and
Send to be used to indicate to starter and the 3rd address of described second port is replaced with four address notice, to make described starter by the first address of the first port of the described four-address and described starter, set up between described starter and described object machine for running the new link of described business.
9. method as claimed in claim 7 or 8, it is characterized in that, described business is network small computer system interface iSCSI business.
10. send a method for notice, it is characterized in that, comprising:
Object machine receives to be used to indicate and four address order is revised as in the 3rd address of the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
3rd address of described second port, after determining that described 3rd address and the described four-address belong to the address of the same network segment, is replaced with the described four-address by described object machine, and
3rd address of described second port is replaced with four address notice and sends to described starter, to make described starter by the first address of the first port of the described four-address and described starter, set up for running the new link of described business between described starter and described object machine, described first port is for running another port of the link of described business between described object machine and described starter.
11. methods as claimed in claim 10, is characterized in that, described business is network small computer system interface iSCSI business.
12. 1 kinds of methods setting up link, is characterized in that, comprising:
3rd address of the second port of described object machine is replaced with four address notice by being used to indicate that starter receiving target device sends, and described second port is for running a port of the link of a business between described starter and described object machine;
3rd address of the second port of described object machine is replaced with the described four-address by described starter;
Described starter is by the four-address of the first address of the first port of described starter and the second port of described object machine, set up for running the new link of described business between described starter and object machine, described first port is for running another port of the link of described business between described starter and described object machine.
13. methods as claimed in claim 12, is characterized in that, described business is network small computer system interface iSCSI business.
14. 1 kinds of methods setting up link, is characterized in that, comprising:
What starter receiving target device sent be used to indicate to replace with the address being in idle condition that described object machine selects and the 3rd address of the second port of described object machine is replaced with four address notice by the first address of the first port of described starter, described first port is for running a port of the link of a business between described starter and described object machine, and described second port is for running another port of the link of described business between described starter and object machine;
First address of described first port is replaced with the address being in idle condition described in selection by described starter, and the 3rd address of described second port is replaced with the described four-address;
Being in the address of idle condition and the described four-address described in described starter passes through, setting up between described starter and described object machine for running the new link of described business.
15. methods as claimed in claim 14, is characterized in that, described business is network small computer system interface iSCSI business.
16. 1 kinds of starters setting up link, is characterized in that, comprising:
First Transmit-Receive Unit, is revised as two address order for receiving the first address be used to indicate the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
First processing unit, for after determining that described first address and described second address belong to the address of different segment, for described first port increases described second address; And
From being the address of the same network segment with described second address, select an address being in idle condition, be in the address of idle condition for replacing the 3rd address of the second port in described object machine described in selecting, described second port is for running another port of the link of described business between described starter and described object machine;
Described first Transmit-Receive Unit, also for being used to indicate to described object machine transmission the order the 3rd address of described second port being replaced with the address being in idle condition described in selection by described first address;
Described first processing unit also for, delete the first address of described first port, retain described second address; And by described second address and the described address being in idle condition, set up between described starter and object machine for running the new link of described business.
17. starters as claimed in claim 16, is characterized in that, described first Transmit-Receive Unit, also for:
Delete the first address of described first port at described first processing unit, after retaining described second address, receive be used to indicate that the 3rd address of described second port replaced with the address of the idle condition of selection by described object machine complete response.
18. as described in claim 16 or 17 starter, it is characterized in that, described first processing unit, also for:
If determine, described first address and described second address belong to the address of the same network segment, and the first address of described first port is replaced with described second address; By the second address of described first port and the 3rd address of described second port, set up between described starter and object machine for running the new link of described business.
19. as arbitrary in claim 16 to 18 as described in starter, it is characterized in that, described business is network small computer system interface iSCSI business.
20. 1 kinds of starters setting up link, is characterized in that, comprising:
Second Transmit-Receive Unit, is revised as two address order for receiving the first address be used to indicate the first port of described starter, and described first port is for running a port of the link of a business between described starter and object machine;
Second processing unit, for after determining that described first address and described second address belong to the address of the same network segment, replaces with described second address by the first address of described first port; By the 3rd address of the second address of described first port and the second port of described object machine, set up for running the new link of described business between described starter and described object machine, described second port is for running another port of the link of described business between described starter and described object machine.
21. starters as claimed in claim 20, is characterized in that, described business is network small computer system interface iSCSI business.
22. 1 kinds of object machines sending notice, is characterized in that, comprising:
3rd Transmit-Receive Unit, is revised as four address order for receiving the 3rd address be used to indicate the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
3rd processing unit, for after determining that described 3rd address and the described four-address belong to the address of different segment, for described second port increases the described four-address; And
From being the address of the same network segment with the described four-address, select an address being in idle condition, be in the address of idle condition for replacing the first address of the first port of described starter described in selecting, described first port is for running another port of the link of described business between described object machine and described starter;
Described 3rd Transmit-Receive Unit, also for sending to described starter the address being in idle condition that is used to indicate and the first address of described first port replaced with selection by described 3rd address and the 3rd address of described second port having been replaced with four address notice, to make described starter be in the address of idle condition and the described four-address described in selecting, set up between described starter and object machine for running the new link of described business;
Described 3rd processing unit, also for deleting the 3rd address of described second port, retains the described four-address.
23. object machines as claimed in claim 22, is characterized in that, described 3rd processing unit, also for:
After the 3rd address of the second port of described object machine is replaced with four address order by described 3rd Transmit-Receive Unit reception, determine that described 3rd address and the described four-address belong to the address of the same network segment, the 3rd address of described second port is replaced with the described four-address;
Described 3rd Transmit-Receive Unit, also for sending to be used to indicate to starter, the 3rd address of described second port is replaced with four address notice, to make described starter by the first address of the first port of the described four-address and described starter, set up between described starter and described object machine for running the new link of described business.
24. object machines as described in claim 22 or 23, it is characterized in that, described business is network small computer system interface iSCSI business.
25. 1 kinds of object machines sending notice, is characterized in that, comprising:
4th Transmit-Receive Unit, is revised as four address order for receiving the 3rd address be used to indicate the second port of described object machine, and described second port is for running a port of the link of a business between described object machine and starter;
Fourth processing unit, for after determining that described 3rd address and the described four-address belong to the address of the same network segment, replaces with the described four-address by the 3rd address of described second port;
Described 4th Transmit-Receive Unit, also send to described starter for the 3rd address of described second port has been replaced with four address notice, to make described starter by the first address of the first port of the described four-address and described starter, set up for running the new link of described business between described starter and described object machine, described first port is for running another port of the link of described business between described object machine and described starter.
26. object machines as claimed in claim 25, is characterized in that, described business is network small computer system interface iSCSI business.
27. 1 kinds of starters setting up link, is characterized in that, comprising:
5th Transmit-Receive Unit, for being used to indicate of receiving target device transmission, the 3rd address of the second port of described object machine is replaced with four address notice, described second port is for running a port of the link of a business between described starter and described object machine;
5th processing unit, the 3rd address for the second port by described object machine replaces with the described four-address; And by the four-address of the first address of the first port of described starter and the second port of described object machine, set up for running the new link of described business between described starter and object machine, described first port is for running another port of the link of described business between described starter and described object machine.
28. starters as claimed in claim 27, is characterized in that, described business is network small computer system interface iSCSI business.
29. 1 kinds of starters setting up link, is characterized in that, comprising:
6th Transmit-Receive Unit, first address of the first port of described starter replaced with for being used to indicate of sending of receiving target device the address being in idle condition that described object machine selects and the 3rd address of the second port of described object machine is replaced with four address notice, described first port is for running a port of the link of a business between described starter and described object machine, and described second port is for running another port of the link of described business between described starter and object machine;
6th processing unit, for the first address of described first port is replaced with the address being in idle condition described in selection, replaces with the described four-address by the 3rd address of described second port; And described in passing through, be in the address of idle condition and the described four-address, set up between described starter and described object machine for running the new link of described business.
30. starters as claimed in claim 29, is characterized in that, described business is network small computer system interface iSCSI business.
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| CN201510883513.6A CN105515969B (en) | 2015-12-03 | 2015-12-03 | A kind of method and apparatus for establishing link and a kind of method and apparatus for sending notice |
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