CN102316155A - Storage area network (SAN) discovery method and switchboard - Google Patents
Storage area network (SAN) discovery method and switchboard Download PDFInfo
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Abstract
The invention discloses a storage area network (SAN) discovery method. A switchboard communicated with a network administration system (NMS) is arranged in an SAN, the switchboard is added to all the VSANs (virtual storage area network) in the SAN and records the VSAN range, and all the added VSANs are isolated by the switchboard inside the switchboard. The method comprises the following steps: after receiving a SAN discovery request sent by the NMS, the switchboard determines the VSANs to which automatic discovery messages need to be published according to the VSAN range requested by the NMS and the VSAN range recorded by the switchboard, and then respectively publishes the automatic discovery messages to the determined VSANs; and after receiving the reported VSAN information and the information of network elements in the VSANs, the switchboard responds to the NMS. The invention also provides the switchboard based on a conception same as that of the method. By adopting the SAN discovery method and the switchboard, SAN discovery can be realized by a simple method on the premise of ensuring network security.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of storage area network network (SAN) discover method and switch.
Background technology
Can manage the SAN network in order to make network management system; Netted passage (FC) network provides network discovery mechanism; It is FC switch in the FC network is found message through mutual delivery network form; The composition and the topology situation of network are spread in network, and webmaster all can obtain the composition and the topology situation of this switch belonging network through arbitrary FC switch device in the network, and then describes the structure of network and carry out various bookkeepings.
In the FC storage networking, can a SAN network be divided into a plurality of virtual memory territory network (VSAN) usually, to guarantee the fail safe of network.Can intercommunication at a VSAN network internal message, message can not intercommunication between the VSAN network.General VSAN is with delineation of activities, and there is not the requirement of exchanging visit basically in separated VSAN, and the isolation between VSAN is not influence for storage service.For network management system, then need manage whole SAN network, promptly possibly manage a plurality of VSAN networks.
Owing to isolate between the VSAN network; Therefore the network of FC inter-exchange discovery message can not be striden the VSAN transmission; Therefore a certain FC switch can only obtain its affiliated VSAN network information; For the VSAN network information that this FC switch does not belong to, then can't obtain through this switch, cause network management system to the SAN network find not exclusively.
In the prior art, mainly contain two kinds of settling modes for addressing the above problem.First kind of mode do, obtains a FC switch among each VSAN at least earlier and guarantee it and network management system can reach, and respectively the equipment in each VSAN network carried out the automatic discovery of VSAN network separately.This kind settling mode needs prior awareness network basic composition, and discovery procedure itself is exactly a method of obtaining the network basic composition automatically, so this method can not be accomplished network autodiscovery completely; Requiring simultaneously all has the FC switch that can reach with network management system among each VSAN, higher to networking requirement.
Second kind of settling mode do, virtual memory territory network route (IVR) is set in network, and the form through route can be striden each VSAN UNICOM VSAN and propagate so that network is found message, thereby find whole network.Network is set in this settling mode behind the IVR not only finds that message can stride VSAN and propagate, other message also can be striden VSAN and propagated, thereby reduces the fail safe of network; After IVR is provided with each VSAN is joined together, destroy the network planning.
Therefore prior art fails to propose a kind of safe, simple SAN discover method when solving the incomplete problem that network management system finds SAN.
Summary of the invention
In view of this, the present invention provides a kind of SAN discover method and switch, is guaranteeing under the situation of network security, can carry out complete SAN through straightforward procedure and find.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of SAN discover method; Switch with network management system UNICOM is set in said SAN; The VSAN scope that said switch joins among the whole VSAN among the said SAN and record adds, each VSAN isolation that said switch will add in self inside, said method comprises:
Said switch is received when SAN that said network management system sends finds request; According to the VSAN scope of said network management system request and the VSAN scope of said switch record; Need to confirm issue to find the VSAN of message automatically, and issue automatic discovery message respectively to said definite VSAN;
When said switch was received the information of the VSAN information that reports and the network element among the VSAN, said network management system was given in response.
Wherein, the VSAN scope of said network management system request is carried at the SAN that said network management system sends and finds in the request;
Or,
The VSAN scope of said network management system request is carried in the configuring request that said network management system sends; Said configuring request receives that at said switch the SAN that said network management system is sent finds to receive before the request.
When said switch was received the information of the VSAN information that reports and the network element among the VSAN, this method further comprises: said switch was stored the information of the network element in VSAN information that reports and the VSAN network.
Said method further comprises:
Said switch receives that said network management system sends when obtaining the VSAN The Nomenclature Composition and Structure of Complexes information of said SAN, and said switch sends to said network management system with the VSAN information of storage and the information of the network element among the VSAN.
The method that said switch is stored the information of the network element among VSAN information and the VSAN is:
Said switch is stored in the switch in each VSAN network with the information stores of the network element among VSAN information and the VSAN at said switch or dispersion.
A kind of SAN finds switch, and a said switch with network management system UNICOM is set in said SAN, and said switch comprises: dispensing unit, receive release unit and reception response unit;
Said dispensing unit links to each other with said reception release unit, is used for the VSAN scope that switch joins among whole VSAN of said SAN and record adds with self place; Carrying out VSAN in the switch inside that self belongs to isolates;
Said reception release unit; Link to each other with said reception response unit; When being used to receive SAN that said network management system sends and finding request; According to the VSAN scope of said network management system request and the VSAN scope of said dispensing unit record, need to confirm issue to find the VSAN of message automatically, and issue automatic discovery message respectively to said definite VSAN;
Said reception response unit, when receiving the information of information and the network element among the VSAN of the VSAN that reports, said network management system is given in response.
Wherein, the VSAN scope of said network management system request is carried at the SAN that said network management system sends and finds in the request;
Or,
The VSAN scope of said network management system request is carried in the configuring request that said network management system sends; Said configuring request receives that at said reception release unit the SAN that said network management system is sent finds to receive before the request.
Said switch further comprises: memory cell;
Said reception response unit is further used for information stores with the network element among VSAN information that reports and the VSAN in said memory cell;
Or,
Said reception response unit is further used for the information dispersion of the network element among VSAN information that reports and the VSAN is stored in the switch in each VSAN network.
Said reception response unit is further used for receiving that said network management system sends when obtaining the VSAN The Nomenclature Composition and Structure of Complexes information of SAN, and the VSAN information of switch storage in said memory cell 404 or each the VSAN network and the information of the network element among the VSAN are sent to said network management system.
In sum, the present invention is through being provided with a switch with network management system UNICOM in SAN, and this switch is joined among whole VSAN, but inner each VSAN isolates, and obtains information and the response of each VSAN through this switch and gives network management system.Can guarantee under the situation of network security through this method, carry out SAN through simple method and find.
Description of drawings
Fig. 1 is a FC networking structure sketch map of the present invention;
Fig. 2 finds flow chart for SAN of the present invention;
Fig. 3 finds flow chart for specific embodiment of the invention SAN;
Fig. 4 finds the switch architecture sketch map for specific embodiment of the invention SAN.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, scheme according to the invention is done to specify further.
Switch with network management system UNICOM is set in SAN, and this switch joins among the whole VSAN among the SAN, and in this exchange, carries out VSAN and isolate.Therefore, but still can keep independence professional among each VSAN even this switch exists in a plurality of VSAN, thus better maintaining the fail safe of network.Wherein, the switch of above-mentioned setting can be a switch of in SAN, choosing, and also can be in this SAN, to add a switch.For with each VSAN in other switches distinguish, we claim that all this switch that joins among the whole VSAN among the SAN is the seed switch in specific embodiment.
Referring to Fig. 1, Fig. 1 is a FC networking structure sketch map of the present invention.Realize that to add a seed switch 101 SAN finds among Fig. 1.Seed switch 101 and network management system 102 UNICOMs add respectively among VSAN1 and the VSAN2 among Fig. 1, and in seed switch 101, VSAN1 and VSAN2 isolate, and can not carry out service interaction, but the seed switch can be mutual with VSAN1 and VSAN2 respectively.
Switch in also can selection figure among VSAN1 or the VSAN2 is configured the function that realizes the seed switch; And when selecting; Consider selection switch whether have abundant idle port realize with this SAN in the communicating by letter of each VSAN owing in practical application, possibly divide a plurality of VSAN according to concrete needs.
Referring to Fig. 2, Fig. 2 finds flow chart for SAN of the present invention.Concrete steps are:
Step 201 is provided with a seed switch with network management system UNICOM in the SAN that needs SAN to find, and with the VSAN scope that this seed switch joins among the whole VSAN among this SAN and record adds, and this switch carries out the VSAN isolation in self inside.
Step 202; The seed switch is received when SAN that network management system sends finds request; According to the VSAN scope of network management system request and the VSAN scope of switch record, need to confirm issue to find the VSAN of message automatically, and issue automatic discovery message respectively to the VSAN that confirms.
When step 203, seed switch were received the information of the VSAN information that reports and the network element among the VSAN, said network management system was given in response.
Wherein, the VSAN information that reports comprises: other attributes of the ID of VSAN self and VSAN; The information of each network element among the VSAN that reports comprises: the server of hanging down, memory device, bridge, interface etc.
Following the present invention describes how to realize that SAN finds in detail through specific embodiment.
Seed switch record self adds the scope of VSAN in the preceding text, and recording mode is very flexible, can be accustomed to according to the user, experience is provided with, and enumerates two kinds of recording modes below:
Can represent through interval method for first kind.Suppose that it is VSAN2, VSAN3, VSAN4, VSAN9, VSAN10, VSAN14, VSAN15 that switch adds VSAN.So interval method be set to [2,4], [9,10] and [14,15] perhaps [2,15].
The second way is for to represent through the form of bitmap.Suppose that the VSAN that switch adds is VSAN2, VSAN3, VSAN4, VSAN7, VSAN9, VSAN10, VSAN14, VSAN15, VSAN17, its bitmap table is shown: 01110010110001101 or 11111111111111111.
Referring to Fig. 3, Fig. 3 finds flow chart for specific embodiment of the invention SAN.In conjunction with Fig. 1, two VSAN that only give an example in the present embodiment describe concrete discovery procedure, when having divided a plurality of VSAN, specifically realize with this flow process.Its concrete steps are:
Step 301, network management system is sent SAN to the seed switch and is found request.
Network management system need be known VSAN network composition and the structural information among the SAN, when network is managed, carries out this step, triggers the seed switch and carries out the SAN discovery.
Step 302 need to confirm issue to find the VSAN of message automatically.
If network change is not frequent, network management system is carried out SAN and is sent configuring request before finding triggering the seed switch, this configuring request carry the network management system request the VSAN scope, find time-out time etc.
If network change is very frequent, the scope of each discovery request is inconsistent, or there have some to be provided with to be inconsistent, and then above-mentioned configuring request can be carried at network management system and find in the request to the SAN that the seed switch sends.
By above-mentioned dual mode; We can know that the SAN of network management system finds the request scope; The VSAN scope that writes down when adding VSAN according to the seed switch is again confirmed the needs issue VSAN of discovery message automatically; As the request scope be VSAN1 to VSAN5, and the record scope be VSAN1, VSAN2 and VSAN6, then we confirm that it is VSAN1 and VSAN2 that this time seed switch need be issued the VSAN of automatic discovery message.As the request scope be VSAN1 to VSAN5, and the record scope be VSAN1 to VSAN6, then we confirm that it is that VSAN1 is to VSAN5 that this time seed switch need be issued the VSAN of automatic discovery message.。
Step 303, the seed switch is found message automatically to the VSAN1 issue.
The seed switch is found message through the part that adds VSAN1 to the VSAN1 issue automatically.
Step 304, the seed switch is found message automatically to the VSAN2 issue.
The seed switch is found message through the part that adds VSAN2 to the VSAN2 issue automatically.
Step 305, VSAN1 reports the information of VSAN1 and the information of the network element among the VSAN1 to the seed switch.
Step 306, VSAN2 reports the information of VSAN2 and the information of the network element among the VSAN2 to the seed switch.
Step 307, the seed switch responds the information that VSAN1 and VSAN2 report to network management system.
The information stores that present embodiment also can report each VSAN waits for that network management system regularly obtains.Wherein, the seed switch can also can be stored in the information stores that reports in the switch in the VSAN network at self.
The seed switch can self be provided with a Preset Time, after the VSAN issue is found message automatically, if do not receive the information that this VSAN reports at Preset Time, then finds message automatically to this VSAN issue again, up to the information of receiving that this VSAN reports.
Step 308, network management system are sent the message of obtaining VSAN The Nomenclature Composition and Structure of Complexes information to the seed switch.
Step 309, the seed switch sends the VSAN information of storage and the information of the network element among the VSAN to network management system.
Step 308 and step 309, can all can be carried out between the step 302 or front and back in step 301 to there not being ordinal relation between the step 307 with step 301.The seed switch is received the message of obtaining that network management system sends, but not SAN sends to network management system with the VSAN information of storage and the information of the network element among the VSAN when finding request.This step can be applied in the seed switch when receiving the information of network element among VSAN information and the VSAN active feedback give network management system, network management system is regularly obtained; Also can be applied in network management system when Preset Time is not received the response message of seed switch, send this and obtain request,, then feed back to network management system if the seed switch has been received the information that VSAN reports.
Based on the same inventive concept of above-mentioned method, the invention allows for a kind of SAN and find switch.Referring to Fig. 4, Fig. 4 finds switch architecture figure for specific embodiment of the invention SAN.Switch with network management system UNICOM is set in SAN, and this switch comprises: dispensing unit 401, receive release unit 402 and receive response unit 403;
Receive release unit 402; Link to each other with the reception response unit; When being used to receive SAN that network management system sends and finding request; According to the VSAN scope of network management system request and the VSAN scope of dispensing unit 401 records, need to confirm issue to find the VSAN of message automatically, and issue automatic discovery message respectively to the VSAN that confirms.
Receive response unit 403, when receiving the information of information and the network element among the VSAN of the VSAN that reports, network management system is given in response.
Preferably, the VSAN scope of network management system request is carried at the SAN that network management system sends and finds in the request;
Or,
The VSAN scope of network management system request is carried in the configuring request that network management system sends; Configuring request receives that at reception release unit 402 SAN that network management system is sent finds to receive before the request.
Preferably, this switch further comprises: memory cell 404;
Receive response unit 403 and be further used for information stores with the network element among VSAN information that reports and the VSAN in memory cell 404;
Or,
Receiving response unit 403 is further used for the information dispersion of the network element among VSAN information that reports and the VSAN is stored in the switch in each VSAN network.
Preferably; Receive response unit 403 and be further used for receiving that network management system sends when obtaining the VSAN The Nomenclature Composition and Structure of Complexes information of SAN, the VSAN information of switch storage in memory cell 404 or each the VSAN network and the information of the network element among the VSAN are sent to network management system.
The unit of the foregoing description can be integrated in one, and also can separate deployment; A unit can be merged into, also a plurality of subelements can be further split into.
In sum, the present invention is through choosing or add a switch and network management system UNICOM, and this switch joined in each VSAN network and in this switch inside isolates.When carrying out the SAN discovery, only need notify this switch in the VSAN that will find, to issue and find that automatically message gets final product.Thisly once find complete SAN network, do not need to find one by one the VSAN network through simple method; And discovery procedure does not require that network management system and each VSAN network all have reachable device; Do not accomplish the automatic discovery of each VSAN network under the situation of UNICOM at each VSAN, need not each VSAN UNICOM is guaranteed internet security.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. storage area network network SAN discover method; It is characterized in that; Switch with network management system UNICOM is set in said SAN; The VSAN scope that said switch joins among the whole VSAN among the said SAN and record adds, each VSAN isolation that said switch will add in self inside, said method comprises:
Said switch is received when SAN that said network management system sends finds request; According to the VSAN scope of said network management system request and the VSAN scope of said switch record; Need to confirm issue to find the VSAN of message automatically, and issue automatic discovery message respectively to said definite VSAN;
When said switch was received the information of the VSAN information that reports and the network element among the VSAN, said network management system was given in response.
2. method according to claim 1 is characterized in that, the VSAN scope of said network management system request is carried at the SAN that said network management system sends and finds in the request;
Or,
The VSAN scope of said network management system request is carried in the configuring request that said network management system sends; Said configuring request receives that at said switch the SAN that said network management system is sent finds to receive before the request.
3. method according to claim 1 and 2; It is characterized in that; When said switch was received the information of the VSAN information that reports and the network element among the VSAN, this method further comprises: said switch was stored the information of the network element in VSAN information that reports and the VSAN network.
4. method according to claim 3 is characterized in that, said method further comprises:
Said switch receives that said network management system sends when obtaining the VSAN The Nomenclature Composition and Structure of Complexes information of said SAN, and said switch sends to said network management system with the VSAN information of storage and the information of the network element among the VSAN.
5. method according to claim 3 is characterized in that, the method that said switch is stored the information of the network element among VSAN information and the VSAN is:
Said switch is stored in the switch in each VSAN network with the information stores of the network element among VSAN information and the VSAN at said switch or dispersion.
6. a storage area network network SAN finds switch, it is characterized in that, a said switch with network management system UNICOM is set in said SAN, and said switch comprises: dispensing unit, receive release unit and reception response unit;
Said dispensing unit links to each other with said reception release unit, is used for the VSAN scope that switch joins among whole VSAN of said SAN and record adds with self place; Carrying out VSAN in the switch inside that self belongs to isolates;
Said reception release unit; Link to each other with said reception response unit; When being used to receive SAN that said network management system sends and finding request; According to the VSAN scope of said network management system request and the VSAN scope of said dispensing unit record, need to confirm issue to find the VSAN of message automatically, and issue automatic discovery message respectively to said definite VSAN;
Said reception response unit, when receiving the information of information and the network element among the VSAN of the VSAN that reports, said network management system is given in response.
7. switch according to claim 6 is characterized in that, the VSAN scope of said network management system request is carried at the SAN that said network management system sends and finds in the request;
Or,
The VSAN scope of said network management system request is carried in the configuring request that said network management system sends; Said configuring request receives that at said reception release unit the SAN that said network management system is sent finds to receive before the request.
8. according to claim 6 or 7 described switches, it is characterized in that said switch further comprises: memory cell;
Said reception response unit is further used for information stores with the network element among VSAN information that reports and the VSAN in said memory cell;
Or,
Said reception response unit is further used for the information dispersion of the network element among VSAN information that reports and the VSAN is stored in the switch in each VSAN network.
9. switch according to claim 8 is characterized in that,
Said reception response unit is further used for receiving that said network management system sends when obtaining the VSAN The Nomenclature Composition and Structure of Complexes information of SAN, and the VSAN information of switch storage in said memory cell 404 or each the VSAN network and the information of the network element among the VSAN are sent to said network management system.
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Patentee after: Xinhua three Technology Co., Ltd. Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base Patentee before: Huasan Communication Technology Co., Ltd. |