CN106354436A - Storage system based on distributed IPSAN - Google Patents
Storage system based on distributed IPSAN Download PDFInfo
- Publication number
- CN106354436A CN106354436A CN201610833114.3A CN201610833114A CN106354436A CN 106354436 A CN106354436 A CN 106354436A CN 201610833114 A CN201610833114 A CN 201610833114A CN 106354436 A CN106354436 A CN 106354436A
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- Prior art keywords
- main frame
- storage system
- iscsi
- multipath
- server node
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G06F3/0604—Improving or facilitating administration, e.g. storage management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
-
- 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
- G06F3/0614—Improving the reliability of storage systems
-
- 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
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a storage system based on a distributed IPSAN. The storage system comprises N server nodes with the same target configurations, controller iSCSI targets arranged on the server nodes and M hosts connected with the corresponding iSCSI targets through LUNs (logic unit numbers), wherein the iSCSI targets are used for reading and writing logic blocks, realizing mapping with storage space and the corresponding hosts and realizing control during reading and writing of data of the hosts and the server nodes; the hosts follow an iSCSI initiator. Thus, compared with one or two controllers independent of server nodes in the prior art, the controller is set at each server node, data reading and writing between the hosts and the server nodes on the basis of a storage resource pool are realized, on one hand, the redundancy number of the controllers is increased, and the safety and stability of the storage system are improved; on the other hand, the network bandwidth is increased due to the fact that data reading and writing between the hosts and the server nodes can be performed by the aid of the N controllers.
Description
Technical field
The present invention relates to technical field of memory, more particularly to a kind of storage system based on distributed ipsan.
Background technology
A kind of topology of storage system based on ipsan of the prior art is as shown in figure 1, this storage system includes main frame
(client), controller iscsi target and multiple server node, when main frame is wanted with hard disk in server node,
Then need to realize by the control of controller iscsi target, but because this storage system adopts single control mode, on the one hand,
When controller breaks down and cannot externally continue to provide service, whole storage system can be made to will be unable to continue normal work,
Safety and stability can be poor；On the other hand, the network bandwidth of a controller is certain, when the server node of rear end is non-
When often many, the narrow bandwidth of a controller can become the performance bottleneck of this storage system.For solving this problem, in prior art
Adopt the storage system of dual control mode, namely included two controllers, to have realized being mutually redundant, and to carry out data transmission
When can simultaneously using two controllers although improve stability and the network bandwidth of storage system to a certain extent,
But because also only having two controllers, safety and stability can be still poor, and still cannot meet service in practical application
The more scene of device node.
Therefore, a kind of storage system solving above-mentioned technical problem how is provided to be that those skilled in the art need to solve at present
Problem certainly.
Content of the invention
It is an object of the invention to provide a kind of storage system based on distributed ipsan, on the one hand, increased controller it
Between the safety and stability being mutually redundant number, improve storage system；On the other hand, because n control can be utilized simultaneously
Device processed carries out the reading and writing data between main frame server node, improves the network bandwidth.
For solving above-mentioned technical problem, the invention provides a kind of storage system based on distributed ipsan, comprising:
The n server node with identical target configuration, wherein, identical target configuration includes all described services
The bound same lun of device node, the hard disk in all described server nodes is pre-arranged one memory resource pool of composition, and
A default size that described memory resource pool includes being divided in advance, the memory space for host data storage, described deposit
Storage resource pool is used for providing the service of logical block, and n is the integer not less than 2；
It is arranged at the controller iscsi target on each described server node, described iscsi target is used for reading
Write described logical block, realize the mapping with described memory space and respective hosts respectively；It is additionally operable to main frame and described service
The control during reading and writing data of device node；
The m main frame being connected with corresponding iscsi target by described lun, iscsi init followed by described main frame
Iator, m are positive integer.
Preferably, when the main frame that described main frame is using Linux system, described main frame is provided with iscsi-
Initiator-utils and multipath instrument.
Preferably, described main frame is configured with multipath strategy according to multipath collocation method.
Preferably, described multipath strategy includes only fault transfer and consultative conference.
Preferably, when the main frame that described main frame is using windows system, described main frame is provided with windows mpio
Instrument.
Preferably, described main frame is based on described windows mpio instrument according to windows iscsi service configuration guide
It is configured with multipath strategy.
Preferably, described multipath strategy includes only fault transfer and consultative conference.
Preferably, described server node is standard x86 server.
The invention provides a kind of storage system based on distributed ipsan, including n, there is identical target configuration
Server node, wherein, identical target configuration includes the bound same lun of Servers-all node, Servers-all node
In hard disk be pre-arranged one memory resource pool of composition, and memory resource pool include being divided in advance one is default big
The little, memory space for host data storage, memory resource pool is used for providing the service of logical block；It is arranged at each server
Controller iscsi target on node, iscsi target are used for reading and writing logical block, respectively realize with memory space and
The mapping of respective hosts；The m main frame being connected with corresponding iscsi target by lun, iscsi followed by main frame
initiator.It can be seen that, with one or two controllers independent of server node of the prior art, the present invention is every
All it is provided with controller it is achieved that the number between main frame server node is realized based on memory resource pool on individual server node
According to read-write, on the one hand, increased the safety and stability being mutually redundant number, improve storage system between controller；
On the other hand, because the reading and writing data between main frame server node can be carried out using n controller simultaneously, improve network
Bandwidth.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in prior art and embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of storage system based on ipsan of the prior art；
A kind of structural representation of storage system based on distributed ipsan that Fig. 2 provides for the present invention.
Specific embodiment
It is an object of the invention to provide a kind of storage system based on distributed ipsan, on the one hand, increased controller it
Between the safety and stability being mutually redundant number, improve storage system；On the other hand, because n control can be utilized simultaneously
Device processed carries out the reading and writing data between main frame server node, improves the network bandwidth.
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Refer to Fig. 2, a kind of structural representation of storage system based on distributed ipsan that Fig. 2 provides for the present invention,
This system includes:
The n server node 1 with identical target configuration, wherein, identical target configuration includes Servers-all
The bound same lun of node 1, the hard disk in Servers-all node 1 is pre-arranged one memory resource pool of composition, and stores
Resource pool includes the default size being divided in advance, the memory space being used for main frame 3 data storage, and memory resource pool is used for
There is provided the service of logical block, n is the integer not less than 2；
Specifically, a storage money of the storage hard disk composition of distributed ipsan namely n independent server node 1
Source pond, and the memory space in memory resource pool is provided away according to iscsi protocol mode.
The memory space of default size when designing storage system in the early stage, can be marked from memory resource pool, and store money
Source pond can provide the function of logical block, and controller iscsi target 2 reads and writes logical block, and completes to memory space and main frame 3
Mapping.
In addition, server node 1 is additionally provided with the configuration of identical target, such as n server node 1 is all bound same
Logic lun (logical unit number, LUN).Because memory resource pool is across 1 group of Servers-all node
Become, so each server node 1 is it can be seen that same logic lun.In actual applications, main frame 3 can find and connect
Lun on server node 1.
Preferably, server node 1 is standard x86 server.
Certainly, server node 1 here can also be other servers, and here of the present invention is not particularly limited, root
To determine according to practical situation.
It is arranged at the controller iscsi target 2 on each server node 1, iscsi target 2 is used for reading and writing
Logical block, realizes the mapping with memory space and respective hosts 3 respectively；It is additionally operable to main frame 3 and described server node 1
Control during reading and writing data；
The m main frame 3 being connected with corresponding iscsi target 2 by lun, main frame 3 follows iscsi initiator, m
For positive integer.
Preferably, when the main frame that main frame 3 is using Linux system, main frame 3 is provided with iscsi-initiator-
Utils and multipath instrument.
Preferably, main frame 3 is configured with multipath strategy according to multipath collocation method.
Preferably, multipath strategy includes only fault transfer and consultative conference.
Preferably, when the main frame that main frame 3 is using windows system, main frame 3 is provided with windows mpio work
Tool.
Preferably, main frame 3 is based on windows mpio instrument and configures according to windows iscsi service configuration guide
There is multipath strategy.
Preferably, multipath strategy includes only fault transfer and consultative conference.
Specifically, only fault transfer completes the redundancy strategy of link, and main frame 3 walks one completely to the read-write of server node 1
Paths.When the path of activity that and if only if goes wrong, just it is switched to standby link.Furthermore it is possible to according to the spirit of main frame 3 end
Live and configure the bar number of backup path.
Consultative conference can accomplish the load balancing of link, and main frame 3 can be flexibly according to master to the read-write of server node 1
The configuration of machine 3, through mulitpath, increases the network throughput of main frame 3, to obtain more preferable readwrite performance.
In actual applications, the difference of the operating system according to main frame 3 is joined carrying out different multipath strategies to main frame 3
Put.
The invention provides a kind of storage system based on distributed ipsan, including n inclusion hard disk, have identical
The server node of target configuration, wherein, identical target configuration includes the bound same lun of Servers-all node, institute
There is the hard disk in server node to be pre-arranged one memory resource pool of composition, and memory resource pool includes being divided in advance
One default size, the memory space for host data storage, memory resource pool is used for providing the service of logical block；It is arranged at
Controller iscsi target on each server node, iscsi target are used for reading and writing logical block, realize respectively and deposit
Storage space and the mapping of respective hosts；The m main frame being connected with corresponding iscsi target by lun, iscsi followed by main frame
initiator.It can be seen that, with one or two controllers independent of server node of the prior art, the present invention is every
All it is provided with controller it is achieved that the number between main frame server node is realized based on memory resource pool on individual server node
According to read-write, on the one hand, increased the safety and stability being mutually redundant number, improve storage system between controller；
On the other hand, because the reading and writing data between main frame server node can be carried out using n controller simultaneously, improve network
Bandwidth.
It should be noted that in this manual, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (8)
1. a kind of storage system based on distributed ipsan is it is characterised in that include:
The n server node with identical target configuration, wherein, identical target configuration includes all described server sections
The bound same lun of point, the hard disk in all described server nodes is pre-arranged one memory resource pool of composition, and described
Memory resource pool includes the default size being divided in advance, the memory space storing for host data, described storage money
Source pond is used for providing the service of logical block, and n is the integer not less than 2；
It is arranged at the controller iscsi target on each described server node, described iscsi target is used for reading and writing institute
State logical block, realize the mapping with described memory space and respective hosts respectively；It is additionally operable to main frame and described server section
The control of the reading and writing data of point；
The m main frame being connected with corresponding iscsi target by described lun, described main frame follows iscsi initiator, m
For positive integer.
2. storage system as claimed in claim 1 is it is characterised in that when the main frame that described main frame is using Linux system,
Described main frame is provided with iscsi-initiator-utils and multipath instrument.
3. storage system as claimed in claim 2 is it is characterised in that described main frame configures according to multipath collocation method
There is multipath strategy.
4. storage system as claimed in claim 3 is it is characterised in that described multipath strategy includes only fault transfer and consults
Meeting.
5. storage system as claimed in claim 1 is it is characterised in that when described main frame is the main frame using windows system
When, described main frame is provided with windows mpio instrument.
6. storage system as claimed in claim 1 is it is characterised in that described main frame is pressed based on described windows mpio instrument
It is configured with multipath strategy according to windows iscsi service configuration guide.
7. storage system as claimed in claim 6 is it is characterised in that described multipath strategy includes only fault transfer and consults
Meeting.
8. the storage system as described in any one of claim 1-7 is it is characterised in that described server node takes for standard x86
Business device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833114.3A CN106354436A (en) | 2016-09-20 | 2016-09-20 | Storage system based on distributed IPSAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833114.3A CN106354436A (en) | 2016-09-20 | 2016-09-20 | Storage system based on distributed IPSAN |
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| CN106354436A true CN106354436A (en) | 2017-01-25 |
Family
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| CN201610833114.3A Pending CN106354436A (en) | 2016-09-20 | 2016-09-20 | Storage system based on distributed IPSAN |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107391047A (en) * | 2017-08-02 | 2017-11-24 | 郑州云海信息技术有限公司 | A kind of method and device of system management memory |
| CN108282516A (en) * | 2017-12-21 | 2018-07-13 | 创新科存储技术（深圳）有限公司 | A kind of distributed storage cluster load balancing method and device based on iSCSI |
| CN110515535A (en) * | 2018-05-22 | 2019-11-29 | 杭州海康威视数字技术股份有限公司 | Disk read-write control method, device, electronic equipment and storage medium |
| CN111050103A (en) * | 2019-12-13 | 2020-04-21 | 北京科东电力控制系统有限责任公司 | Video distributed storage and centralized management system |
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| CN110515535A (en) * | 2018-05-22 | 2019-11-29 | 杭州海康威视数字技术股份有限公司 | Disk read-write control method, device, electronic equipment and storage medium |
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