CN100520744C - Device for bridge a mainframe to a memory region network - Google Patents
Device for bridge a mainframe to a memory region network Download PDFInfo
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- CN100520744C CN100520744C CNB200610066358XA CN200610066358A CN100520744C CN 100520744 C CN100520744 C CN 100520744C CN B200610066358X A CNB200610066358X A CN B200610066358XA CN 200610066358 A CN200610066358 A CN 200610066358A CN 100520744 C CN100520744 C CN 100520744C
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- main frame
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- area network
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Abstract
The present invention discloses a bridging device for bridging a terminal main machine to a storage region network. The function of said bridging device is used for virtualizing a magnetic disk region set on the described storage region network into a direct additional storage equipment. The composition of the invented bridging device includes a first main machine bus adapter for connecting with a storage region network; a second main machine bus adapter for connecting with a terminal main machine with direct additional storage equipment interface; a bridging controller, it is respectively connected to the described first main machine bus adapter and described second main machine bus adapter and is used for bridging the described terminal main machine to the described storage region network, so that the described terminal main machine can directly access the magnetic disk region set on the described storage region network; and a storage unit, it is connected to the described bridging controller and is used for storing program and data.
Description
Technical field
The present invention relates to a kind of bridge joint (Bridge) device, relate in particular to a kind of bridge joint one main frame (Host) that is used for to a storage area network (Storage Area Network, bridge-set SAN).
Background technology
Except building the large enterprise of putting storage area network, present most storage all is that (Direct Attached Storage, DAS) equipment is main to direct additional memory devices.The DAS general reference is direct-connected memory device with main frame (for example, server or desk-top computer), and it has SCSI, SATA (Serial ATA), eSATA (External SATA), USB, SAS interface forms such as (Serial Attached SCSI).
DAS is the employed storage organization of general enterprise, and when its memory storage and application server directly linked, DAS was because of the restriction of congenital structure, and had following shortcoming:
1. memory storage is non-is shared by a plurality of servers.
2.DAS the wire length of interface is shorter, storage system is difficult for expanding.
3. be difficult for far-end unified management and backup.
Therefore, (Storage Area Network, SAN) structure is that shortcoming at above DAS storage system develops the enterprise of new generation storage solution that forms to storage area network.
SAN is mainly used in the environment of a large amount of and high speed storing data of ecommerce and the first-class needs of enterprise network.SAN refers to utilize elements such as fiber channel (Fiber Channel), server, memory device, fibre switch and hub.
Each storage system in the SAN network is the shared resource of each server.Fig. 1 is the system architecture of the general SAN of application, wherein has at least one server among the SAN to store starter (Initiator) as one.In addition, (for example disk array RAID) is connected to SAN storage space to be provided and to store target (Target) as one to a plurality of memory storages.
Though SAN has advantages such as expansion of being easy to and unified management, but server that will be connected with SAN or main frame then must be equipped with SAN HBA (host bus adaptor, Host Bus Adaptor), be used for attached server or main frame (Host) and be used as described storage starter, by this disk region of access SAN (volume) to SAN.
Yet the server cost with SAN HBA is very high, and the fibre switch cost is also very high, so the general computing machine among Fig. 1, does not promptly have the computing machine of SAN HBA, only can by second too (Ethernet) be connected with SAN indirectly.
Also have lower cost scheme at present, so SAN can be divided into the FC SAN of fibre channel interface or the IP SAN of Ethernet interface by the interface kenel with the IP SAN of iSCSI agreement and Ethernet construction.Though the Ethernet cost is lower, the cost of iSCSIHBA is still very high, and speed is not as fiber channel, and still failing to replace fiber channel becomes large enterprise's application mainstream, and being expected at present is applied to medium and small sized enterprises.
Also have more lower cost solution at present, only need use general Ethernet Adaptation Unit, but extensively do not supported with the Ethernet SAN of AoE (ATA over Ethernet) agreement and Ethernet construction.
Because the SAN cost is than DAS height, so generally be used for the environment of a plurality of servers and a plurality of memory storages, DAS then generally is used for this locality storage of general computing machine.If SAN can be connected to general computing machine, and make the memory storage of the virtual DAS of turning in disk drive district (volume) of SAN, to bring build put easily, data security, expansion easily and advantage such as unified management, therefore, a kind of fast and low-costly be necessary to the apparatus and method reality of SAN with bridge joint DAS.Bridge-set of the present invention is applicable to FC SAN, IP SAN and Ethernet SAN.
Summary of the invention
The present invention discloses a kind of bridge-set that is used for bridge joint one end host to a storage area network, the function of this bridge-set is that a disk region on the described storage area network is virtual to turn to always that attachment adds memory device with being disposed at, its formation comprises: one first host bus adaptor is used to connect a storage area network; One second host bus adaptor is used to connect an end host with direct additional memory devices interface; One bridge controller, it is connected respectively to described first host bus adaptor and described second host bus adaptor, be used for described end host is bridged to described storage area network, but described by this end host direct access is once the disk region that is disposed on the described storage area network; With a storage unit, it is connected to described bridge controller and is used for stored programme and data.
Bridge-set of the present invention has the advantage of plug and play, and extra device driver need be installed.
Another advantage of the present invention is that the main frame that is connected to SAN can directly carry out in-cycle work via the SAN disk region.
Another advantage of the present invention for main frame through being connected to SAN can as the access local disk direct access be configured disk region on SAN.
To be the IT personnel to configuration can concentrate another advantage of the present invention to the disk space of the main frame through being connected to SAN manages and dispose.
Description of drawings
Fig. 1 is the system architecture of an application SAN.
Fig. 2 is one first preferred embodiment of the present invention.
Fig. 3 is one second preferred embodiment of the present invention.
Fig. 4 is one the 3rd preferred embodiment of the present invention.
Embodiment
The preferred embodiments of the present invention can be described in detail as follows.Yet except described embodiment, the present invention can also be implemented in during other uses widely, and scope of the present invention is not subjected to the qualification of described embodiment, and is as the criterion with appended claim.
The present invention discloses a kind of bridge-set that is used for bridge joint one end host to a storage area network, the function of this bridge-set is that a disk region on the described storage area network is virtual to turn to always that attachment adds memory device with being disposed at, its formation comprises: one first host bus adaptor is used to connect a storage area network; One second host bus adaptor is used to connect an end host with direct additional memory devices interface; One bridge controller, it is connected respectively to described first host bus adaptor and described second host bus adaptor, be used for described end host is bridged to described storage area network, but described by this end host direct access is once the disk region that is disposed on the described storage area network; With a storage unit, it is connected to described bridge controller and is used for stored programme and data.
Fig. 2 shows first preferred embodiment of the present invention, bridge-set 100 is used for bridge joint one virtual DAS (directly additional memory devices) to a SAN (storage area network), wherein said bridge-set 100 comprises an iSCSI HBA (host bus adaptor) 150 and is used to be connected to IP SAN, one DAS HBA 110 is used to connect an end host and the bridge controller 130 with DAS interface and is used to be connected respectively to described iSCSI HBA 150 and described DAS HBA 110.Above-mentioned end host can be a workstation, a laptop computer, a server, a desktop PC or an industrial computer in present embodiment.
Above-mentioned DAS HBA 110 can be connected with in SCSI, SATA (Serial ATA), eSATA (External SATA), USB, the SAS DAS interface embodiments such as (Serial Attached SCSI) at least one, but it will be understood by one of ordinary skill in the art that its mode that can be used for implementing is not as limit.
In addition, described bridge-set 100 comprises a flash memory 140 and a storer 120, is connected respectively to described bridge controller 130.Described storer 120 is the cache memories as SAN disk region (volume), is used to increase the access speed to SAN, and described flash memory 140 then is used to store described bridge controller 130 required program and data.
Fig. 3 shows second preferred embodiment of the present invention, its with Fig. 2 different be in, the iSCSI HBA 150 that is used to be connected to SAN originally can replace by an Ethernet NIC 170 (ethernet network interface card).Described Ethernet NIC 170 will utilize the resource of end host to reach the purpose of simulation iSCSI or AoE (ATA over Ethernet) agreement in the mode of computed in software.
Fig. 4 shows the 3rd preferred embodiment of the present invention.Structure shown in Figure 4 and Fig. 2 different be in, the iSCSI HBA 150 that is used to be connected to SAN originally replaces with a FC HBA 180 (fiber channel host bus adaptor).In other words, bridge-set of the present invention can be connected to FC SAN by fibre channel interface.
Bridge-set of the present invention can be used for simplifying the connection of DAS to SAN, and has following advantage: 1) plug and play, and extra device driver need be installed.2) main frame that is connected to SAN can carry out in-cycle work via the SAN disk region, and extra boot ROM need be installed.By the disk region of configuration on the SAN to the main frame that is connected to SAN through bridge-set of the present invention.Therefore described main frame need not have any local disk (local disk) and can start shooting.In fact, will to look the disk region that is disposed on the SAN disk region be local disk to described main frame.3) therefore, the described main frame through being connected to SAN can as the access local disk direct access be disposed at the disk region of SAN.4) because, the main frame that is connected to SAN by bridge-set of the present invention can not need have local disk, gives main frame through connecting but directly the storage space among the SAN is assigned configuration.Therefore, the IT personnel just can manage and dispose the disk space through connecting main frame in the concentrated area.5) in addition, bridge-set of the present invention can reach cross-platform purpose.
The above is the preferred embodiments of the present invention only, is not to be used to limit claim of the present invention; Every other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the appended claim.
Claims (17)
1. bridge-set that is used for bridge joint one main frame to a storage area network comprises:
One first host bus adaptor is used to connect a storage area network;
One second host bus adaptor is used to connect a main frame with direct additional memory devices interface;
One bridge controller, it is connected respectively to described first host bus adaptor and described second host bus adaptor, be used for described host bridge is received described storage area network, but described by this main frame direct access is once the disk region that is disposed on the described storage area network; With
One storage unit, it comprises a flash memory and a dynamic RAM and is connected to described bridge controller, wherein said dynamic RAM is as a cache memory, increase access speed by this, and described flash memory is used to store required program of described bridge controller and data to described storage area network disk region.
2. bridge-set according to claim 1, wherein said first host bus adaptor are an iSCSI interface.
3. bridge-set according to claim 1, wherein said first host bus adaptor are a fiber channel (FiberChannel) interface.
4. bridge-set according to claim 1, wherein said main frame are a workstation.
5. bridge-set according to claim 1, wherein said main frame are a laptop computer.
6. bridge-set according to claim 1, wherein said main frame are a server.
7. bridge-set according to claim 1, wherein said main frame are a personal computer.
8. bridge-set according to claim 1, wherein said direct additional memory devices interface are one in SCSI, SATA (Serial ATA), eSATA (External SATA), USB, the SAS interfaces such as (Serial Attached SCSI).
9. bridge-set that is used for bridge joint one main frame to a storage area network comprises:
One host bus adaptor is used to connect a main frame with direct additional memory devices interface;
One ethernet network interface card is used to connect a storage area network, and wherein said ethernet network interface card is to utilize the computed in software mode to simulate iSCSI or AoE (ATA over Ethernet) agreement;
One bridge controller, it is connected respectively to described host bus adaptor and described ethernet network interface card, be used for described host bridge is received described storage area network, but described by this main frame direct access is once the disk region that is disposed on the described storage area network;
One dynamic RAM, it is connected to described bridge controller with as a cache memory, increases the access speed to described storage area network disk region by this; With
One flash memory, it is connected to described bridge controller and is used to store required program of described bridge controller and data.
10. bridge-set according to claim 9, wherein said host bus adaptor are an iSCSI interface.
11. bridge-set according to claim 9, wherein said host bus adaptor are a fiber channel (FiberChannel) interface.
12. bridge-set according to claim 9, wherein said main frame are a workstation.
13. bridge-set according to claim 9, wherein said main frame are a laptop computer.
14. bridge-set according to claim 9, wherein said main frame are a server.
15. bridge-set according to claim 9, wherein said main frame are a desktop PC.
16. bridge-set according to claim 9, wherein said main frame are an industrial computer.
17. bridge-set according to claim 9, wherein said direct additional memory devices interface are one in SCSI, SATA (Serial ATA), eSATA (External SATA), USB, the SAS interfaces such as (Serial Attached SCSI).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610066358XA CN100520744C (en) | 2006-03-30 | 2006-03-30 | Device for bridge a mainframe to a memory region network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610066358XA CN100520744C (en) | 2006-03-30 | 2006-03-30 | Device for bridge a mainframe to a memory region network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101046781A CN101046781A (en) | 2007-10-03 |
| CN100520744C true CN100520744C (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200610066358XA Expired - Fee Related CN100520744C (en) | 2006-03-30 | 2006-03-30 | Device for bridge a mainframe to a memory region network |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102833237B (en) * | 2012-08-14 | 2015-01-14 | 南京斯坦德云科技股份有限公司 | InfiniBand protocol conversion method and system based on bridging |
| CN103984662B (en) * | 2014-05-29 | 2017-03-15 | 华为技术有限公司 | A kind of method and apparatus of reading and writing data, storage system |
| CN104461951A (en) * | 2014-11-19 | 2015-03-25 | 浪潮(北京)电子信息产业有限公司 | Physical and virtual multipath I/O dynamic management method and system |
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