CN109104319A - A kind of data storage device and method - Google Patents
A kind of data storage device and method Download PDFInfo
- Publication number
- CN109104319A CN109104319A CN201810972579.6A CN201810972579A CN109104319A CN 109104319 A CN109104319 A CN 109104319A CN 201810972579 A CN201810972579 A CN 201810972579A CN 109104319 A CN109104319 A CN 109104319A
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- Prior art keywords
- data transmission
- storage
- link
- host
- transmission link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/22—Alternate routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
Abstract
This application discloses a kind of data storage devices, comprising: link switching device and storage host；Wherein, link switching device is connected with server and multiple storage hosts, to constitute multiple data transmission links；Link switching device is for switching each data transmission link；Store the business datum that host is used for storage server.Therefore when there is storage host to break down, the business datum of the storage host of failure can be switched to by other data transmission links by link switching device and continues data transmission, to realize the storage to business datum.As it can be seen that this programme solves the problems, such as when storage hostdown that corresponding data transmission link is unable to storing data and leads to service data loss, to improve the reliability and stability of storing data.Disclosed herein as well is a kind of date storage methods, have above-mentioned identical beneficial effect.
Description
Technical field
The present invention relates to field of data storage, in particular to a kind of data storage device and method.
Background technique
Under the big data era of the increasingly developed progress of information technology, in order to enable data information to be used again, with
The value for playing data information, needs to store data information.
Current data-storage system is usually that server is connected by interchanger with multiple storage hosts, thus by data
Information is stored into storage host.In this fashion, interchanger provides the telecommunications of data transmission for server and storage host
Number access, but when some storage host breaks down, the corresponding data transmission link of storage host of the failure will be by
It interrupts, and then leads to the loss of data information, even resulting in entire data-storage system can not work normally, and influence data storage
The progress of the storage service of system.
Therefore, how to improve the reliability and stability of data during storing data is that those skilled in the art need at present
Technical problems to be solved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of data storage device, during can be improved storing data
The reliability and stability of data；It is a further object of the present invention to provide a kind of date storage method, having above-mentioned identical has
Beneficial effect.
In order to solve the above technical problems, the present invention provides a kind of data storage device, comprising: link switching device and storage master
Machine；
Wherein, the link switching device is connected with server and multiple storage hosts, to constitute multiple data transmission
Link；
The link switching device is for switching each data transmission link；
The storage host is used to store the business datum of the server.
Preferably, the link switching implement body includes:
Multiple interconnections and the interchanger being connected respectively with each storage host；
It is connected with each interchanger, the arbitration for being swapped to the business datum in each interchanger
Machine.
Preferably, the link switching implement body is high-end switch.
Preferably, further comprise:
Extension cabinet, the extension cabinet is corresponding with the storage host to be connected, and the storage for extending the storage host is empty
Between.
Preferably, which is characterized in that further comprise multiple suggestion devices, each suggestion device and each storage are led
Machine, which corresponds, to be connected, for when there are issue prompt information when failure for the storage host.
In order to solve the above technical problems, the present invention also provides a kind of date storage methods, comprising:
When detecting the presence of the storage host of failure, mesh is selected from remaining data transmission link according to preset rules
Mark data transmission link；
The business datum is switched into the target data transmission link to carry out data transmission and store to corresponding
Target stores in host.
Preferably, described when detecting the presence of the storage host of failure, it is transmitted according to preset rules from remaining data
Selection target data transmission link in link specifically:
It is described there are when the storage host of failure when detecting, detect each business of the remaining data transmission link
Amount；
Compare each portfolio, and sets the target data for the least data transmission link of portfolio and pass
Transmission link.
Preferably, more each portfolio, and number of targets is set by the least data transmission link of portfolio
According to transmission link specifically:
Compare each portfolio, and sets the number of targets for least two data transmission links of portfolio
According to transmission link.
Preferably, further comprise:
When described there are after the trouble shooting of the storage host of failure, the business datum is switched back into the trouble shooting
The corresponding data transmission link of storage host to carry out data transmission.
A kind of data storage device provided by the invention, including link switching device and storage host；Link switching device and clothes
Business device is connected with multiple storage hosts, to constitute multiple data transmission links；And link switching device can transmit each data
Link switches over, and storage host is used for the business datum of storage server transmission.Therefore when there is storage host to break down,
The business datum of the storage host of failure other data transmission links can be switched to by link switching device to continue
Data transmission, to realize the storage to business datum.As it can be seen that this programme solves corresponding data transmission when storage hostdown
Link is unable to the problem of storing data leads to service data loss, to improve the reliability and stability of storing data.
In order to solve the above technical problems, having above-mentioned identical beneficial the present invention also provides a kind of date storage method
Effect.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly or the technical solution of the prior art, below will be to embodiment or existing
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of data storage device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another data storage device provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of date storage method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The core of the embodiment of the present invention is to provide a kind of data storage device, can be improved data during storing data
Reliability and stability；Another core of the invention is to provide a kind of date storage method, has above-mentioned identical beneficial effect.
It is right with reference to the accompanying drawings and detailed description in order to make those skilled in the art more fully understand the present invention program
The present invention is described in further detail.
Fig. 1 is a kind of structural schematic diagram of data storage device provided in an embodiment of the present invention.As shown in Figure 1, a kind of number
It include: link switching device 10 and storage host 20 according to storage device；
Wherein, link switching device 10 is connected with server 30 and multiple storage hosts 20, to constitute multiple data chains
Road；
Link switching device 10 is for switching each data transmission link；
It stores host 20 and is used for the business datum that storage server 30 is transmitted.
Server 30 refers to a management resource and provides the computer of service for user.It is provided according to server 30
Service type is different, is divided into file server, database server, apps server, WEB server etc..The present embodiment
In, without limitation to the concrete type of server 30.
Storage host 20 refers to a kind of equipment for storing the business datum generated by server 30.It needs to illustrate
It is that multiple storage hosts 20 can be multiple independent storage hosts 20, each store is respectively arranged with storage system on host 20；
The storage host 20 being also possible in same distributed storage network, by setting storage system to realize in same
Storage host 20 in distributed storage network is controlled, and the present embodiment does not limit this.
It should be noted that the present embodiment is made up of server 30, link switching device 10 and multiple storage hosts 20
Multiple data transmission links.Link switching device 10 includes providing what data were transmitted respectively for server 30 and multiple storage hosts 20
The component of pathway for electrical signals and component for being switched over to pathway for electrical signals.Specifically, for for server 30 and multiple
The component that storage host 20 provides the pathway for electrical signals of data transmission respectively can be interchanger, and being also possible to others can be real
The now component of the function does not do specific restriction herein.It should be noted that link switching device 10 is for by server 30 and respectively
Storage host 20 is connected to form corresponding data transmission link, and can switch over each data transmission link.
In practical applications, server 30 is connected generally by network with link switching device 10, can be one herein
Server 30 is also possible to multiple servers 30 and is connected by consolidated network with same link switch 10, be can also be certainly
Multiple servers 30 are connected by different networks and are connected again with same link switch 10, also do not do specific restriction herein.
Specifically, storage host 20 can be with link switching device 10 and be connected by cable or optical fiber, specific limit is not done herein yet
It is fixed.
A kind of data storage device provided in this embodiment, including server, link switching device and storage host；Link is cut
Parallel operation is connected with server and multiple storage hosts, to constitute multiple data transmission links；It stores host and is used for storage server
The business datum of transmission, and link switching device can switch over each data transmission link.Therefore working as has storage host hair
When raw failure, the business datum of the storage host of failure can be switched to by other data transmission links by link switching device
Continue data transmission, to realize the storage to business datum.As it can be seen that this programme solve storage hostdown when it is corresponding
Data transmission link is unable to the problem of storing data leads to service data loss, to improve the reliability of storing data and steady
It is qualitative.
On the basis of the above embodiments, the present embodiment has made further instruction and optimization to technical solution, specifically,
Link switching device 10 specifically includes:
Multiple interconnections and the interchanger being connected respectively with each storage host 20；
It is connected with each interchanger, the arbitration machine of the business datum for exchanging each interchanger.
Specifically, interchanger is a kind of to provide setting for the pathway for electrical signals exclusively enjoyed for any two network node of access
It is standby, it is then to provide pathway for electrical signals for server 30 and storage host 20, so that server 30 passes through in the present embodiment
Interchanger and storage host 20 constitute data transmission link.Also, the most common interchanger is Ethernet switch.Arbitration machine is
A kind of component for being switched over to pathway for electrical signals, the portion that the data between each interchanger can be also switched over
Part.It should be noted that realizing that the data between each interchanger switch by arbitration machine, to realize cutting for data transmission link
It changes.
The present embodiment switches over data transmission link to improve the reliability of storing data and stabilization can be realized
On the basis of property, using multiple switch and arbitration organ at link switch, cheap, save the cost.
Referring to FIG. 2, Fig. 2 is the structural schematic diagram of another data storage device provided in an embodiment of the present invention.Upper
On the basis of stating embodiment, the present embodiment has made further instruction and optimization to technical solution, specifically, link switching device 10
Specially high-end switch 11.
It should be noted that high-end switch 11 used in the present embodiment is that one kind can be realized internal exchange of data
Interchanger, high-end switch 11 is built-in with multiple Switching Modules, and each Switching Module, which respectively corresponds, is provided with connectivity port, respectively connects
Port is connect to be respectively used to be connected with storage host 20, wherein storage host 20 generally by cable or optical fiber with it is high-end
Interchanger 11 is connected.As shown in Fig. 2, high-end switch 11 is built-in, there are three Switching Module SW1, SW2 and SW3, three interchange modes
Block is connected two-by-two, and three Switching Modules are connected with three storage host Cs E1, CE2 and CE3 respectively, when some or it is several
When a storage host 20 breaks down, then switch data transmission link, right using other without failure storage hosts 20
The data transmission link answered carries out the transmission of business datum and utilizes the 20 storage service data of storage host.
As preferred embodiment, the present embodiment further comprises:
Extension cabinet 40, extension cabinet 40 is corresponding with storage host 20 to be connected, the memory space for extension storage host 20.
It is understood that needing the data volume of transimission and storage increasing with the fast development of data service.Cause
This further comprises in the present embodiment extension cabinet 40 as preferred embodiment, extension cabinet 40 and storage host 20 are right
Should be connected, same storage host 20 can connect multiple extension cabinets 40, storage host 20 selectively by business datum store to
In corresponding extension cabinet 40, thus for storage 20 extension storage space of host.
On the basis of the above embodiments, the present embodiment has made further instruction and optimization to technical solution, specifically,
Data storage device provided by the present embodiment further comprises multiple suggestion devices, each suggestion device and each storage host 20 1
One is corresponding connected, in storage host 20, there are issue prompt information when failure.
It should be noted that the suggestion device being attached thereto is arranged on each storage host 20, in storage host 20
There are prompt information is issued when failure, so as to the data transmission scenarios for notifying operator current.It should be noted that the present embodiment
In to the concrete type of suggestion device without limitation, as preferred embodiment, suggestion device can be buzzer and/or refer to
Show lamp.It is understood that buzzer and indicator light can not only reach to simple, intuitive prompt as common suggestion device
Effect, it is cheap and using simple, buzzer and/or indicator light therefore, in the present embodiment is preferably used as mentioning
Showing device.
More specifically, the different working condition that can will be prompted to device is correspondingly arranged as different prompt informations, to reach
To the effect prompted various faults situation.For example, the flashing of indicator light and long bright respectively correspond, which can be set, to be indicated not
Same fault condition is also possible to respectively correspond the fault condition for indicating different using the combination of the indicator light of different colours；Phase
It answers, it, can be according to the combination of the yowl and short ring and yowl and short ring of buzzer using buzzer as when suggestion device
It is configured to indicate different fault conditions, the present embodiment does not do specific restriction to this.
A kind of embodiment of data storage device provided by the invention is described in detail above, the present invention is also
A kind of a kind of date storage method corresponding with the device is provided, due to the embodiment of method part and the implementation of device part
Example mutually correlates, therefore following embodiment can also refer to the attached drawing in above-described embodiment, and following embodiments pair and above-mentioned reality
Duplicate content in example is applied not repeat them here.
Fig. 3 is a kind of flow chart of date storage method provided in an embodiment of the present invention, as shown in figure 3, a kind of data are deposited
Method for storing includes:
S10: it when detecting the presence of the storage host of failure, is selected from remaining data transmission link according to preset rules
Select target data transmission link；
S20: business datum is switched into target data transmission link to carry out data transmission, and is stored to corresponding target
It stores in host.
Date storage method provided in an embodiment of the present invention, by when detecting the presence of the storage host of failure, according to
Preset rules selection target data transmission link from remaining data transmission link；Business datum is switched to target data to pass
Transmission link is to carry out data transmission, to storing business datum into corresponding target storage host.Therefore working as has storage to lead
When machine breaks down, the business datum of the storage host of failure can be switched to by other data by link switching device and transmitted
Link continues data transmission, to realize the storage to business datum.As it can be seen that this programme solve storage hostdown when pair
The data transmission link answered is unable to the problem of storing data leads to service data loss, to improve the reliability of storing data
And stability.
On the basis of the above embodiments, the present embodiment has made further instruction and optimization to technical solution, specifically,
When detecting the presence of the storage host of failure, according to preset rules, selection target data are passed from remaining data transmission link
Transmission link specifically:
When detecting the presence of the storage host of failure, each portfolio of remaining data transmission link is detected；
Compare each portfolio, and sets target data transmission link for the least data transmission link of portfolio.
Specifically, when detecting the presence of the storage host of failure, by taking CE1 failure as an example, the data of SW1 and CE1 at this time
Transmission link will be interrupted, therefore be detected in remaining data transmission link, namely except this data transmission link of CE1-SW1 it
The portfolio of outer all data transmission links such as SW2-CE2 and SW3-CE3, and the size of more each portfolio, obtain industry
The smallest data transmission link of business amount, and using the data transmission link as target data transmission link, then by current industry
Business data switch to target data transmission link and carry out data transmission.Assuming that be currently CE3-SW3 portfolio it is minimum, then will work as
Preceding data transmission link is set as SW1-SW3-CE3, to realize the switching of data transmission link, improves the steady of business datum
Qualitative and reliability.
As preferred embodiment, in the present embodiment, more each portfolio, and the least data of portfolio are transmitted
Link setting is target data transmission link specifically:
Compare each portfolio, and sets target data transmission link for least two data transmission links of portfolio.
It, can be according to ascending order or descending specifically, the corresponding portfolio of each data transmission link is ranked up
Mode is ranked up, and then selects the least N data transmission link of portfolio as target data transmission link.Wherein, N is
Value more than or equal to 2, and N is positive integer.In the present embodiment, as preferred embodiment, the value of N is taken as 2, so both
It can accomplish redundant transmission and redundant storage, and transmission line will not be allowed excessively complicated and storage identical business datum mistake
Occupy excessive memory space more.Present approach reduces the data transmission link after switching there are still failures a possibility that, into
One step improves the reliability and stability of storage service data.
On the basis of the above embodiments, the present embodiment has made further instruction and optimization to technical solution, specifically,
After there are the trouble shooting of the storage host of failure, business datum is switched back into the corresponding data of storage host of trouble shooting
Transmission link is to carry out data transmission.
That is, business datum is switched back into there are when the trouble shooting of the storage host of failure before detecting
The corresponding data transmission link of storage host of trouble shooting is to carry out data transmission.Specifically, by examining in real time or periodically
The fault condition for surveying each storage host, when detecting the trouble shooting of target storage host, with CE1 failure in above-described embodiment
For, the data transmission link after switching is SW1-SW3-CE3, if detecting the trouble shooting of CE1, therefore business datum is cut
The corresponding data transmission link of CE1 is shifted to, data transmission link is also changed to SW1-CE1.
In the present embodiment, after there are the trouble shooting of the storage host of failure, business datum is switched into back failure
The corresponding data transmission link of storage host of releasing is increased after can be avoided switch data link to it with carrying out data transmission
The pressure of the data transmission of his data link, further increases the stability and reliability of storage service data.
A kind of data storage device provided by the present invention and method are described in detail above.It is used herein
Principle and implementation of the present invention are described for specific embodiment, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
Claims (9)
1. a kind of data storage device characterized by comprising link switching device and storage host；
Wherein, the link switching device is connected with server and multiple storage hosts, to constitute multiple data transmission links；
The link switching device is for switching each data transmission link；
The storage host is used to store the business datum of the server.
2. the apparatus according to claim 1, which is characterized in that the link switching implement body includes:
Multiple interconnections and the interchanger being connected respectively with each storage host；
It is connected with each interchanger, the arbitration machine for being swapped to the business datum in each interchanger.
3. the apparatus according to claim 1, which is characterized in that the link switching implement body is high-end switch.
4. the apparatus according to claim 1, which is characterized in that further comprise:
Extension cabinet, the extension cabinet is corresponding with the storage host to be connected, for extending the memory space of the storage host.
5. device according to any one of claims 1 to 4, which is characterized in that it further comprise multiple suggestion devices, each institute
It states suggestion device to be connected with each storage host one-to-one correspondence, for when there are issue prompt letter when failure for the storage host
Breath.
6. a kind of date storage method characterized by comprising
When detecting the presence of the storage host of failure, according to preset rules from remaining data transmission link selection target number
According to transmission link；
The business datum is switched into the target data transmission link to carry out data transmission and store to corresponding target
It stores in host.
7. according to the method described in claim 6, pressing it is characterized in that, described when detecting the presence of the storage host of failure
According to preset rules from remaining data transmission link selection target data transmission link specifically:
It is described there are when the storage host of failure when detecting, detect each portfolio of the remaining data transmission link；
Compare each portfolio, and sets the target data chain for the least data transmission link of portfolio
Road.
8. the method according to the description of claim 7 is characterized in that more each portfolio, and portfolio is minimum
Data transmission link be set as target data transmission link specifically:
Compare each portfolio, and sets the target data for least two data transmission links of portfolio and pass
Transmission link.
9. according to the described in any item methods of claim 6 to 8, which is characterized in that further comprise:
When described there are after the trouble shooting of the storage host of failure, the business datum is switched back into depositing for the trouble shooting
The corresponding data transmission link of host is stored up to carry out data transmission.
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| CN201810972579.6A CN109104319B (en) | 2018-08-24 | 2018-08-24 | Data storage device and method |
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| CN201810972579.6A CN109104319B (en) | 2018-08-24 | 2018-08-24 | Data storage device and method |
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| CN109104319B CN109104319B (en) | 2021-12-03 |
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| CN114968873A (en) * | 2022-05-11 | 2022-08-30 | 中国科学院计算技术研究所 | PCIE data exchange device |
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| CN109104319B (en) | 2021-12-03 |
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