CN104486384A - Storage system and exchange expansion device - Google Patents
Storage system and exchange expansion device Download PDFInfo
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- CN104486384A CN104486384A CN201410712220.7A CN201410712220A CN104486384A CN 104486384 A CN104486384 A CN 104486384A CN 201410712220 A CN201410712220 A CN 201410712220A CN 104486384 A CN104486384 A CN 104486384A
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- expansion
- expansion board
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0685—Hybrid storage combining heterogeneous device types, e.g. hierarchical storage, hybrid arrays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0625—Power saving in storage systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
Abstract
The invention provides a storage system and an exchange expansion device. The storage system comprises an exchange expansion device, 2N control devices and a storage device, wherein the exchange expansion device is provided with at least 2N uplink expansion interfaces and 2M downlink expansion interfaces, the M and the N are respectively integers being greater than or equal to 1, the 2N control devices are connected with the exchange expansion device through the at least 2N uplink expansion interfaces, and the storage device is connected with the exchange expansion device through the 2M downlink expansion interfaces. The exchange expansion device comprises two exchange expansion boards and a memory; the exchange expansion boards are provided with the N uplink expansion interfaces used for connecting the control devices and the M downlink expansion interfaces used for connecting the storage device, the M and the N are respectively integers being greater than or equal to 1, the memory is provided with two ports, and the two ports are respectively connected with the two exchange expansion boards.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of storage system and exchange expanding unit.
Background technology
Usual SAN is (English: Storage Area Network; Chinese: storage area network) storage system is double-control system, namely has two control device.The group network topological structure that current major part stores producer's employing is: two control device connect two ports of hard disk respectively by one piece of expansion board, and two control device are connected.Please refer to Fig. 1, Fig. 1 is the structural representation of SAN storage system in prior art.In Fig. 1, control device A and control device B are connected two ports of hard disk with expansion board B respectively by expansion board A, control device A is connected with expanding unit B.
In order to improve reliability, cause hard disc data inaccessible after avoiding two control device all to break down, in prior art, also there is another kind of group network topological structure: increase SAS (English: Serial Attached SmallComputer System Interface; Chinese: the small computer system interface of mode connected in series) switch, multiple control device connects SAS switch respectively, and then SAS switch connects two ports of hard disk again by polylith expansion board.Please refer to Fig. 2, Fig. 2 is the another kind of structural representation of SAN storage system in prior art.In Fig. 2, control device A and control device B is as one group of control device group, and many group control device connect 2 SAS switches respectively, and then in 2 SAS switches, a SAS switch connects multiple expansion board A, and another SAS switch connects multiple expansion board B.
After increasing SAS switch, the hard disk in storage system can be accessed by multiple control device.Cause networking complicated owing to increasing SAS switch, cable is more, and SAS switch needs management to control within the storage system, increases cabinet space and power consumption, so there is no producer at present to adopt SAS group of switches net mode.
Therefore, also there is not the reliability that can either improve storage system in prior art, can simplify again the storage system of storage system networking.
Summary of the invention
The embodiment of the present invention provides a kind of storage system and exchanges expanding unit, provide a kind of reliability that can either improve storage system, the storage system of storage system networking can be simplified again, achieve the management complexity reducing storage system, the technique effect not taking cabinet space and reduction power consumption.
Embodiment of the present invention first aspect provides a kind of storage system, and described storage system comprises:
Exchange expanding unit, have at least 2N uplink extended interface and 2M descending expansion interface, M and N is the integer being more than or equal to 1;
2N control device, is connected with described exchange expanding unit by a described at least 2N uplink extended interface;
Storage device, is connected with described exchange expanding unit by described 2M descending expansion interface.
In conjunction with first aspect, in the implementation that the first is possible, described exchange expanding unit comprises:
Two exchange expansion board, described two exchange each exchange expansion board in expansion board provide described in the N number of uplink extended interface at least in 2N uplink extended interface and the individual descending expansion interface of M in described 2M descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
In conjunction with first aspect, in the implementation that the second is possible, described exchange expanding unit comprises:
K exchange expansion module, K be more than or equal to 2 integer, described exchange expansion module comprises:
Two exchange expansion board, and in described two exchange expansion board, each exchange expansion board provides N number of uplink extended interface and M/K descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
In conjunction with the implementation that the second is possible, in the implementation that the third is possible, described K each exchange expansion board exchanged in expansion module provides N/2 uplink extended interface and M/K descending expansion interface, and the storage device be connected with described exchange expansion module is interconnected.
Embodiment of the present invention second aspect provides a kind of exchange expanding unit, and described exchange expanding unit comprises:
Two exchange expansion board, and described exchange expansion board is provided for N number of uplink extended interface of connection control device and the M for being connected storage device descending expansion interface, M and N is the integer being more than or equal to 1;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
The embodiment of the present invention third aspect provides a kind of exchange expanding unit, and described exchange expanding unit comprises:
K exchange expansion module, K be more than or equal to 2 integer, described exchange expansion module comprises:
Two exchange expansion board, and in described two exchange expansion board, each exchange expansion board is provided for N number of uplink extended interface of connection control device and the M/K for being connected storage device descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
In the embodiment of the present invention, provide a kind of storage system, comprising: exchange expanding unit, have 2N uplink extended interface and at least individual descending expansion interface of 2M, M and N is the integer being more than or equal to 1; 2N control device, is connected with described exchange expanding unit by described 2N uplink extended interface; Storage device, is connected with described exchange expanding unit by described at least 2M descending expansion interface.
Owing to exchanging expanding unit, there is the function of exchange of SAS switch, even if so not external SAS switch in the storage system that provides of the embodiment of the present invention, the access of server to storage device also can be realized, improves the reliability of storage system.Compared to the storage system of external SAS switch, simplify storage system networking, need not manage SAS switch, reduce the management complexity of storage system.Replace SAS switch with exchange expanding unit, do not take cabinet space.Exchange in expanding unit and also have memory, server directly can access the memory exchanged in expanding unit, decreases the power consumption of storage system.
Accompanying drawing explanation
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in the present invention or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of SAN storage system in prior art;
Fig. 2 is the another kind of structural representation of SAN storage system in prior art;
The structural representation of the storage system that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 be in the embodiment of the present invention in storage system N=4 and M=4 time the first structural representation;
Fig. 5 be in the embodiment of the present invention in storage system N=4, M=4 and K=2 time, the second structural representation of storage system;
Fig. 6 be in the embodiment of the present invention in storage system N=4, M=4 and K=2 time, another schematic diagram of the second structure of storage system;
Fig. 7 be in the embodiment of the present invention in storage system N=4, M=4 and K=2 time, the schematic diagram of the third structure of storage system;
Fig. 8 is another schematic diagram of the third structure of storage system in the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of storage system and exchanges expanding unit, provide a kind of reliability that can either improve storage system, the storage system of storage system networking can be simplified again, achieve the management complexity reducing storage system, the technique effect not taking cabinet space and reduction power consumption.
In the embodiment of the present invention, provide a kind of storage system, comprising: exchange expanding unit, have 2N uplink extended interface and at least individual descending expansion interface of 2M, M and N is the integer being more than or equal to 1; 2N control device, is connected with described exchange expanding unit by described 2N uplink extended interface; Storage device, is connected with described exchange expanding unit by described at least 2M descending expansion interface.
Owing to exchanging expanding unit, there is the function of exchange of SAS switch, even if so not external SAS switch in the storage system that provides of the embodiment of the present invention, the access of server to storage device also can be realized, improves the reliability of storage system.Compared to the storage system of external SAS switch, simplify storage system networking, need not manage SAS switch, reduce the management complexity of storage system.Replace SAS switch with exchange expanding unit, do not take cabinet space.Exchange in expanding unit and also have memory, server directly can access the memory exchanged in expanding unit, decreases the power consumption of storage system.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Term "and/or" herein, being only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.In addition, character "/" herein, general expression forward-backward correlation is to the relation liking a kind of "or".
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.
The embodiment of the present invention provides a kind of storage system, please refer to Fig. 3, the structural representation of the storage system that Fig. 3 provides for the embodiment of the present invention.Storage system comprises:
Exchange expanding unit 31, have at least 2N uplink extended interface and 2M descending expansion interface, M and N is the integer being more than or equal to 1;
2N control device 32, comprises control device 1 to control device 2n, is connected with described exchange expanding unit by a described at least 2N uplink extended interface;
Storage device 33, is connected with described exchange expanding unit by described 2M descending expansion interface.
Wherein, 2N control device 32 can be connected with server, the access request that reception server sends, and access request is transferred to storage device by exchanging expanding unit, realizes the access of server to storage device.
In the embodiment of the present invention, the N in 2N control device be more than or equal to 1 integer, so control device is at least 2, corresponding storage system can be dual control storage system, such as: SAN is (English: StorageArea Network; Chinese: storage area network) storage system.
Still please refer to Fig. 3, storage device 33 comprises:
Two expansion board, comprise expansion board A and expansion board B;
Memory, has two ports, and described two ports connect described two expansion board respectively.
In the embodiment of the present invention, memory can be dual-port hard disk, such as: SAS is (English: SerialAttached Small Computer System Interface; Chinese: the small computer system interface of mode connected in series) dish, NL-SAS be (English: Near Line-Serial Attached Small Computer SystemInterface; Chinese: the small computer system interface of near-end serial connected mode) dish, FC be (English: FibreChannel; Chinese: fiber channel) dish, expanded to two ports by port selector SATA (English: Serial Advanced Technology Attachment) dish etc.Dual-port hard disk is connected with two expansion board respectively by two ports, and then is connected with control device.
Still please refer to Fig. 3, exchange expanding unit 31 and comprise:
Two exchange expansion board, comprise and exchange expansion board A and exchange expansion board B, in described two exchange expansion board, each exchange expansion board provides the N number of uplink extended interface in described 2N uplink extended interface and M descending expansion interface in described at least 2M descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
In the embodiment of the present invention, exchanging expansion board is the expansion board with function of exchange.Concrete, exchange expansion board and provide multiple uplink extended interface and multiple descending expansion interface, wherein, multiple uplink extended interface is for connecting multiple control device, and multiple descending expansion interface is for connecting multiple storage device.
In addition, in the embodiment of the present invention, also comprise memory owing to exchanging expanding unit, so exchange expanding unit not only have function of exchange, also have memory function, server directly can access the memory exchanged in expanding unit.That is, exchanging expanding unit is the storage device with function of exchange, only have function of exchange compared to external SAS switch of the prior art, the exchange expanding unit in the embodiment of the present invention has function of exchange and memory function simultaneously, provides larger memory capacity.And for external SAS switch in prior art, need to carry out management specially to control, and in the embodiment of the present invention, exchange expanding unit has function of exchange storage device as one, the management simplifying storage system controls, and reduces the management complexity of storage system.And exchange expanding unit compared to SAS switch, do not take cabinet space, power consumption is less.
The storage system that the embodiment of the present invention provides has and is not limited to three kinds of structures.In the first structure of storage system, exchange expanding unit by one and 2N control device and multiple storage device are coupled together.
Wherein, 2N control device 32 can be made up of N group control device group, and N group control device group is connected, and often organizes control device group and is made up of control device A and control device B.2N control device can also be made up of 2N identical or different control device.
When 2N control device 32 is by N group control device group: control device group 1, control device group 2 to control device group n is formed, and each control device group is when being made up of control device A and control device B, two exchange expansion board that exchange expanding unit 31 comprises can for exchanging expansion board A and exchange expansion board B, exchange expansion board A and N number of uplink extended interface is provided, N number of control device A is connected respectively by N number of uplink extended interface, exchange expansion board A and M descending expansion interface is also provided, the expansion board A of M storage device is connected respectively by M descending expansion interface, same, expansion board B provides N number of uplink extended interface, N number of control device B is connected respectively by N number of uplink extended interface, expansion board B also provides M descending expansion interface, the expansion board B of M storage device is connected respectively by M descending expansion interface.
It should be noted that, above-mentioned connected mode is only citing, in actual application, be not limited to above-mentioned connected mode, also the expansion board A of expansion board A connection control device B and storage device can be exchanged, exchange the expansion board B of expansion board B connection control device A and storage device, or exchange the expansion board B of expansion board A connection control device A and storage device, exchange the expansion board A of expansion board B connection control device B and storage device.
When 2N control device is made up of 2N identical or different control device, two of exchanging in expansion board that exchange expanding unit comprises exchange the N number of control device in expansion board connection 2N control device, and another exchanges remaining N number of control device in expansion board connection 2N control device.
Work as N=4, during M=4, the first structure of storage system as shown in Figure 4.As can be seen from Figure 4, the exchange expansion board A exchanging expanding unit 31 provides 4 uplink extended interfaces and 4 descending expansion interfaces, use 4 networking cables are needed to connect control device A in 4 groups of control device groups, need use 4 networking cables to connect the expansion board A of 4 storage devices simultaneously, same, exchange expansion board B and 4 uplink extended interfaces and 4 descending expansion interfaces are provided, need use 4 networking cables to connect control device B in 4 groups of control device groups, need use 4 networking cables to connect the expansion board B of 4 storage devices simultaneously.
Due in the first structure of storage system, only have a switch, switch is connected with all storage devices, if so switch breaks down, then control device cannot access all storage devices, and the reliability of storage system is lower.In order to improve the reliability of storage system, embodiments provide the second structure of storage system.
In the second structure of storage system, one exchanges expanding unit and comprises K exchange expansion module, exchanges expanding unit 2N control device and multiple storage device are coupled together by K son.
Wherein, exchanging expanding unit 31 and comprise: K exchanges expansion module, exchanging expansion module 1 to exchanging expansion module k, K be more than or equal to 2 integer.Exchange expansion module comprises:
Two exchange expansion board, and in described two exchange expansion board, each expansion board provides N number of uplink extended interface and M/K descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
Compared to the first structure of storage system in the embodiment of the present invention, comprise at least two in the second structure of storage system and exchange expansion module, add the quantity exchanging expanding unit, and need the storage device be connected with exchange expanding unit to be still M, so each each exchange in expansion module exchanges expansion board only can provide M/K descending expansion interface, and each the exchange expansion board exchanged in the first structure in expanding unit provides M descending expansion interface, the second structure of storage system reduces the quantity exchanging the descending expansion interface that expansion board provides, correspondingly, the quantity exchanging the networking cable that expansion board needs also is reduced to M/K root by M root.
In the second structure of storage system, each each exchange in expansion module exchanges expansion board and still provides N number of uplink extended interface, each exchange expansion module is all connected with 2N control device, if K exchanges in expansion module and has exchange expansion module to break down, then control device cannot access the storage device be connected with the exchange expansion module broken down, but control device still can access the storage device be connected with the Switching Module do not broken down, break down compared to exchanging expanding unit in the first structure of storage system, then control device can not access the situation of all storage devices, in the second structure of storage system, control device only can not access the storage device be connected with the Switching Module broken down, control device still can access remaining storage device, improve the reliability of storage system.
Work as N=4, when M=4, K=2, the second structure of storage system as shown in Figure 5.In Fig. 5, exchange expansion module and the connection between storage device and do not form and intersect networking.One exchanges expansion module and connects 2 storage devices.
As can be seen from Figure 5, the exchange expansion board A exchanging the exchange expansion module 1 of expanding unit 31 provides 4 uplink extended interfaces and 2 descending expansion interfaces, use 4 networking cables are needed to connect control device A in 4 groups of control device groups, need use 2 networking cables to connect the expansion board A of 2 storage devices simultaneously, same, the exchange expansion board B exchanging expansion module 1 provides 4 uplink extended interfaces and 2 descending expansion interfaces, use 4 networking cables are needed to connect control device B in 4 groups of control device groups, need use 2 networking cables to connect the expansion board B of 2 storage devices simultaneously.
Compared to the first structure of the storage system shown in Fig. 4, comprise 2 in the second structure of the storage system shown in Fig. 5 and exchange expansion module, add the quantity exchanging expanding unit, and need the storage device be connected with exchange expanding unit to be still 4, so each each exchange in expansion module exchanges expansion board only can provide 2 descending expansion interfaces, and each the exchange expansion board exchanged in the first structure in expanding unit provides 4 descending expansion interfaces, the second structure of storage system reduces the quantity exchanging the descending expansion interface that expansion board provides, correspondingly, the quantity exchanging the networking cable that expansion board needs also is reduced to 2 by 4.
As shown in Figure 5, in the second structure of storage system, each each expansion board exchanged in expansion module still provides 4 descending expansion interfaces, expansion module is exchanged owing to there being 2, if broken down so exchange expansion module 1, then control device cannot be accessed and the storage device exchanging expansion module 1 and be connected, but control device still can be accessed and the storage device exchanging expansion module 2 and be connected, break down compared to switch in Fig. 4, then control device can not access the situation of all storage devices, in Fig. 5, Switching Module 1 breaks down, control device still can access the storage device be connected with the Switching Module 2 do not broken down, improve the reliability of storage system.
Work as N=4, when M=4, K=2, the second structure of storage system can also be as shown in Figure 6.In Fig. 6, exchange connecting and composing between expansion module and storage device and intersect networking.One exchanges expansion module and connects 4 storage devices.If exchange expansion module 1 to break down, owing to intersecting networking, exchange expansion module 2 to be connected with 4 storage devices, then control device still can access all storage devices by exchanging expansion module 2, break down compared to switch in Fig. 4, then control device can not access the situation of all storage devices, and in Fig. 5, Switching Module 1 breaks down, control device still can access all storage devices, improves the reliability of storage system.
In order to reduce the quantity exchanging the uplink extended interface that expansion board provides further, and improving the reliability of storage system, embodiments providing the third structure of storage system.
In the third structure of storage system, one exchanges expanding unit and comprises K exchange expansion module, exchanges expanding unit 2N control device and multiple storage device are coupled together by K son, and the storage device be connected with exchange expansion module is interconnected.K each exchange expansion board exchanged in expansion module provides N/2 uplink extended interface and M/K descending expansion interface.
Compared to the second structure of storage system in the embodiment of the present invention, the storage device be connected with exchange expansion module in the third structure of storage system is interconnected, so each in exchange expansion module exchanges expansion board only can provide N/2 uplink extended interface, and each the exchange expansion board exchanged in the second structure in expansion module provides N number of uplink extended interface, the third structure of storage system reduces the quantity exchanging the uplink extended interface that expansion board provides, correspondingly, the quantity exchanging the networking cable that expansion board needs also is reduced to N/2 root by N root.Because the storage device be connected with exchange expansion module is interconnected, even if so K exchanges in expansion module the storage device having K-1 exchange expansion module to break down or to be connected with Switching Module and break down, still can the remaining storage device of other path access be passed through.
Identical with the second structure of storage system, in the third structure of storage system, each each exchange in expansion module exchanges expansion board and still provides M/K descending expansion interface, and each the exchange expansion board exchanged in the first structure in expanding unit provides M descending expansion interface, the third structure of storage system reduces the quantity exchanging the descending expansion interface that expansion board provides, correspondingly, the quantity exchanging the networking cable that expansion board needs also is reduced to M/K root by M root.
Work as N=4, when M=4, K=2, the third structure of storage system as shown in Figure 7.As can be seen from Figure 7, the exchange expansion board A exchanging the exchange expansion module 1 of expanding unit 31 provides 2 uplink extended interfaces and 2 descending expansion interfaces, use 2 networking cables are needed to connect control device A in 2 groups of control device groups, need use 2 networking cables to connect the expansion board A of 2 storage devices simultaneously, same, the exchange expansion board B exchanging expansion module 1 provides 2 uplink extended interfaces and 2 descending expansion interfaces, use 2 networking cables are needed to connect control device A in 2 groups of control device groups, need use 2 networking cables to connect the expansion board B of 2 storage devices simultaneously.
Compared to the second structure of the storage system shown in Fig. 5, the storage device that expansion module is connected is exchanged with 2 interconnected in the third structure of storage system shown in Fig. 7, so each each exchange in expansion module exchanges expansion board only can provide 2 uplink extended interfaces, and each exchange expansion board exchanged in the second structure in expansion module provides 4 uplink extended interfaces, the third structure of storage system reduces the quantity exchanging the uplink extended interface that expansion board provides, correspondingly, the quantity exchanging the networking cable that expansion board needs also is reduced to 2 by 4.
It can also be seen that these 4 extension fields of extension field 1, extension field 2, extension field 3 and extension field 4 are interconnected from Fig. 7: the expansion board A extension field 1 is connected with the expansion board A in extension field 3, and the expansion board B in extension field 1 is connected with the expansion board B in extension field 3; Expansion board A in extension field 2 is connected with the expansion board A in extension field 4, and the expansion board B in extension field 2 is connected with the expansion board B in extension field 4.
As shown in Figure 8, suppose that a storage device breaks down, for convenience of describing, the storage device shade broken down covers, and control device can by other storage devices do not broken down of the path access in figure shown in dotted arrow.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of exchange expanding unit.Please refer to Fig. 3, exchange expanding unit 31 and comprise:
Two exchange expansion board, and in described two exchange expansion board, each exchange expansion board is provided for N number of uplink extended interface of connection control device and the M for being connected storage device descending expansion interface, M and N is the integer being more than or equal to 1;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of exchange expanding unit.Please refer to Fig. 3, exchange expanding unit 31 and comprise:
K exchange expansion module, K be more than or equal to 2 integer, described K exchange expansion module in each exchange expansion module comprise:
Two exchange expansion board, and in described two exchange expansion board, each exchange expansion board is provided for N number of uplink extended interface of connection control device and the M/K for being connected storage device descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
Various variation pattern in storage system in earlier figures 3-Fig. 8 embodiment and instantiation are equally applicable to the exchange expanding unit of the present embodiment, by the aforementioned detailed description to storage system, those skilled in the art can clearly know in the present embodiment the 26S Proteasome Structure and Function exchanging expanding unit, so succinct in order to specification, be not described in detail in this.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
In the embodiment of the present invention, provide a kind of storage system, comprising: exchange expanding unit, have 2N uplink extended interface and at least individual descending expansion interface of 2M, M and N is the integer being more than or equal to 1; 2N control device, is connected with described exchange expanding unit by described 2N uplink extended interface; Storage device, is connected with described exchange expanding unit by described at least 2M descending expansion interface.
Owing to exchanging expanding unit, there is the function of exchange of SAS switch, even if so not external SAS switch in the storage system that provides of the embodiment of the present invention, the access of server to storage device also can be realized, improves the reliability of storage system.Compared to the storage system of external SAS switch, simplify storage system networking, need not manage SAS switch, reduce the management complexity of storage system.Replace SAS switch with exchange expanding unit, do not take cabinet space.Exchange in expanding unit and also have memory, server directly can access the memory exchanged in expanding unit, decreases the power consumption of storage system.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system 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 and 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, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and 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 preferred embodiment and falling into all changes and the amendment of 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 (6)
1. a storage system, is characterized in that, comprising:
Exchange expanding unit, have at least 2N uplink extended interface and 2M descending expansion interface, M and N is the integer being more than or equal to 1;
2N control device, is connected with described exchange expanding unit by a described at least 2N uplink extended interface;
Storage device, is connected with described exchange expanding unit by described 2M descending expansion interface.
2. storage system as claimed in claim 1, it is characterized in that, described exchange expanding unit comprises:
Two exchange expansion board, described two exchange each exchange expansion board in expansion board provide described in the N number of uplink extended interface at least in 2N uplink extended interface and the individual descending expansion interface of M in described 2M descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
3. storage system as claimed in claim 1, it is characterized in that, described exchange expanding unit comprises:
K exchange expansion module, K be more than or equal to 2 integer, described exchange expansion module comprises:
Two exchange expansion board, and in described two exchange expansion board, each exchange expansion board provides N number of uplink extended interface and M/K descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
4. storage system as claimed in claim 3, is characterized in that, described K each exchange expansion board exchanged in expansion module provides N/2 uplink extended interface and M/K descending expansion interface, and the storage device be connected with described exchange expansion module is interconnected.
5. exchange an expanding unit, it is characterized in that, comprising:
Two exchange expansion board, and described exchange expansion board is provided for N number of uplink extended interface of connection control device and the M for being connected storage device descending expansion interface, M and N is the integer being more than or equal to 1;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
6. exchange an expanding unit, it is characterized in that, described exchange expanding unit comprises:
K exchange expansion module, K be more than or equal to 2 integer, described exchange expansion module comprises:
Two exchange expansion board, and in described two exchange expansion board, each exchange expansion board is provided for N number of uplink extended interface of connection control device and the M/K for being connected storage device descending expansion interface;
Memory, has two ports, and described two ports connect described two respectively and exchange expansion board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410712220.7A CN104486384A (en) | 2014-11-28 | 2014-11-28 | Storage system and exchange expansion device |
| PCT/CN2015/077089 WO2016082442A1 (en) | 2014-11-28 | 2015-04-21 | Storage system and exchange extension apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410712220.7A CN104486384A (en) | 2014-11-28 | 2014-11-28 | Storage system and exchange expansion device |
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| CN104486384A true CN104486384A (en) | 2015-04-01 |
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| WO (1) | WO2016082442A1 (en) |
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| WO2016082442A1 (en) * | 2014-11-28 | 2016-06-02 | 华为技术有限公司 | Storage system and exchange extension apparatus |
| WO2017067402A1 (en) * | 2015-10-19 | 2017-04-27 | 阿里巴巴集团控股有限公司 | Computing device and computing device memory component management method and system |
| CN110275680A (en) * | 2019-06-24 | 2019-09-24 | 浙江大华技术股份有限公司 | A kind of dual control dual-active storage system |
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Also Published As
| Publication number | Publication date |
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| WO2016082442A1 (en) | 2016-06-02 |
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