CN109104319B - Data storage device and method - Google Patents
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- 238000013500 data storage Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 115
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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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
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- 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
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- 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
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Abstract
The application discloses a data storage device, including: a link switcher and a storage host; the link switcher is connected with the server and the plurality of storage hosts to form a plurality of data transmission links; the link switcher is used for switching each data transmission link; the storage host is used for storing the service data of the server. Therefore, when a storage host fails, the link switcher can switch the service data of the failed storage host to other data transmission links to continue data transmission, so as to realize the storage of the service data. Therefore, the problem that the corresponding data transmission link cannot store data and the service data is lost when the storage host fails is solved, and the reliability and the stability of the stored data are improved. The application also discloses a data storage method which has the same beneficial effects.
Description
Technical Field
The present invention relates to the field of data storage, and in particular, to a data storage device and method.
Background
In the big data era in which information technology has been increasingly developed, data information needs to be stored in order to be reused and to exert its value.
Current data storage systems generally connect a server to a plurality of storage hosts through a switch, so as to store data information in the storage hosts. In this way, the switch provides an electrical signal path for data transmission for the server and the storage hosts, but when a storage host fails, a data transmission link corresponding to the failed storage host is interrupted, so that data information is lost, even the whole data storage system cannot work normally, and the progress of a storage service of the data storage system is affected.
Therefore, how to improve the reliability and stability of data during data storage is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a data storage device, which can improve the reliability and stability of data during data storage; it is another object of the present invention to provide a data storage method having the same advantageous effects as described above.
To solve the above technical problem, the present invention provides a data storage device, comprising: a link switcher and a storage host;
the link switcher is connected with a server and a plurality of storage hosts to form a plurality of data transmission links;
the link switcher is used for switching each data transmission link;
the storage host is used for storing the service data of the server.
Preferably, the link switcher specifically includes:
a plurality of switches connected to each other and connected to each of the storage hosts, respectively;
and the arbitrator is connected with each switch and used for switching the service data in each switch.
Preferably, the link switch is specifically a high-end switch.
Preferably, further comprising:
and the extension cabinet is correspondingly connected with the storage host and is used for extending the storage space of the storage host.
Preferably, the storage system is characterized by further comprising a plurality of prompting devices, wherein each prompting device is connected with each storage host in a one-to-one correspondence manner and is used for sending out prompting information when the storage host has a fault.
In order to solve the above technical problem, the present invention further provides a data storage method, including:
when a storage host with a fault is detected, selecting a target data transmission link from the rest data transmission links according to a preset rule;
and switching the service data to the target data transmission link for data transmission and storing the service data in the corresponding target storage host.
Preferably, when the storage host with the fault is detected, selecting the target data transmission link from the remaining data transmission links according to the preset rule specifically includes:
when the storage host with the fault is detected, detecting each traffic of the rest data transmission links;
and comparing the traffic volumes, and setting the data transmission link with the least traffic volume as the target data transmission link.
Preferably, the comparing each traffic and setting the data transmission link with the least traffic as the target data transmission link specifically includes:
and comparing the traffic volumes, and setting the two data transmission links with the least traffic volumes as the target data transmission links.
Preferably, further comprising:
and when the fault of the storage host with the fault is removed, switching the service data back to the data transmission link corresponding to the storage host with the fault removed for data transmission.
The invention provides a data storage device, which comprises a link switcher and a storage host; the link switcher is connected with the server and the plurality of storage hosts to form a plurality of data transmission links; and the link switcher can switch each data transmission link, and the storage host is used for storing the service data transmitted by the server. Therefore, when a storage host fails, the link switcher can switch the service data of the failed storage host to other data transmission links to continue data transmission, so as to realize the storage of the service data. Therefore, the problem that the corresponding data transmission link cannot store data and the service data is lost when the storage host fails is solved, and the reliability and the stability of the stored data are improved.
In order to solve the technical problem, the invention also provides a data storage method, which has the same beneficial effects.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a data storage device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another data storage device according to an embodiment of the present invention;
fig. 3 is a flowchart of a data storage method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the embodiment of the invention is to provide a data storage device which can improve the reliability and stability of data in the process of storing data; another core of the present invention is to provide a data storage method, which has the same advantages as described above.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a data storage device according to an embodiment of the present invention. As shown in fig. 1, a data storage device includes: a link switcher 10 and a storage host 20;
wherein, the link switcher 10 is connected with the server 30 and the plurality of storage hosts 20 to form a plurality of data transmission links;
the link switcher 10 is used for switching each data transmission link;
the storage host 20 is used for storing the service data transmitted by the server 30.
The server 30 refers to a computer that manages resources and provides services to users. The server 30 may be classified into a file server, a database server, an application server, a WEB server, and the like according to the type of service provided. In this embodiment, the specific type of the server 30 is not limited.
The storage host 20 refers to a device for storing service data generated by the server 30. It should be noted that the plurality of storage hosts 20 may be a plurality of independent storage hosts 20, and each storage host 20 is provided with a storage system; the storage hosts 20 in the same distributed storage network may also be configured to implement control over the storage hosts 20 in the same distributed storage network by setting up a storage system, which is not limited in this embodiment.
It should be noted that, in the present embodiment, a plurality of data transmission links are formed by the server 30, the link switcher 10, and the plurality of storage hosts 20. The link switch 10 includes a means for providing an electrical signal path for data transmission and a means for switching the electrical signal path for the server 30 and the plurality of storage hosts 20, respectively. Specifically, the component for providing the server 30 and the plurality of storage hosts 20 with the electrical signal path for data transmission may be a switch, or may be other components capable of implementing the function, and is not limited in detail here. It should be noted that the link switcher 10 is used to connect the server 30 with each storage host 20 to form a corresponding data transmission link, and can switch each data transmission link.
In practical applications, the server 30 is generally connected to the link switch 10 through a network, where the server 30 may be one server 30, or multiple servers 30 may be connected to the same link switch 10 through the same network, or multiple servers 30 may be connected to the same link switch 10 through different networks, and this is not limited in particular. Specifically, the storage host 20 and the link switch 10 may be connected by a network cable or an optical fiber, which is not limited herein.
The data storage device provided by the embodiment comprises a server, a link switcher and a storage host; the link switcher is connected with the server and the plurality of storage hosts to form a plurality of data transmission links; the storage host is used for storing the service data transmitted by the server, and the link switcher can switch each data transmission link. Therefore, when a storage host fails, the link switcher can switch the service data of the failed storage host to other data transmission links to continue data transmission, so as to realize the storage of the service data. Therefore, the problem that the corresponding data transmission link cannot store data and the service data is lost when the storage host fails is solved, and the reliability and the stability of the stored data are improved.
On the basis of the above embodiments, the present embodiment further describes and optimizes the technical solution, and specifically, the link switch 10 specifically includes:
a plurality of switches connected to each other and to each storage host 20, respectively;
and the arbitrator is connected with each switch and is used for switching the service data of each switch.
Specifically, the switch is a device for providing an exclusive electrical signal path for any two network nodes that are accessed, and in this embodiment, the electrical signal path is provided for the server 30 and the storage host 20, so that the server 30 and the storage host 20 form a data transmission link through the switch. And, the most common switch is an ethernet switch. The arbitrator is a component for switching the paths of the electrical signals, that is, a component capable of switching data between switches. It should be noted that, the data switching between the switches is realized through the arbitrator, so as to realize the switching of the data transmission links.
On the basis that the data transmission link can be switched to improve the reliability and stability of stored data, the link switcher is formed by the plurality of switches and the arbitrator, the price is low, and the cost is saved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another data storage device according to an embodiment of the present invention. On the basis of the above embodiments, the present embodiment further describes and optimizes the technical solution, and specifically, the link switch 10 is specifically a high-side switch 11.
It should be noted that the high-side switch 11 used in this embodiment is a switch capable of implementing internal data exchange, a plurality of switching modules are built in the high-side switch 11, each switching module is correspondingly provided with a connection port, and each connection port is used for connecting with the storage host 20, where the storage host 20 is generally connected with the high-side switch 11 through a network cable or an optical fiber. As shown in fig. 2, the high-end switch 11 is internally provided with three switching modules SW1, SW2 and SW3, the three switching modules are connected in pairs, and the three switching modules are respectively connected to three storage hosts CE1, CE2 and CE3, when one or more storage hosts 20 fail, the data transmission links are switched, and the data transmission links corresponding to other storage hosts 20 that do not fail are used for transmitting the service data and the storage hosts 20 are used for storing the service data.
As a preferred embodiment, the present embodiment further comprises:
and the expansion cabinet 40 is correspondingly connected with the storage host 20 and used for expanding the storage space of the storage host 20.
It will be appreciated that with the rapid development of data traffic, the amount of data that needs to be transmitted and stored is increasing. Therefore, in this embodiment, as a preferred embodiment, an expansion cabinet 40 is further included, the expansion cabinet 40 is correspondingly connected to the storage host 20, the same storage host 20 may be connected to a plurality of expansion cabinets 40, and the storage host 20 may selectively store the business data in the corresponding expansion cabinet 40, thereby expanding the storage space for the storage host 20.
On the basis of the foregoing embodiment, the present embodiment further describes and optimizes the technical solution, and specifically, the data storage device provided in the present embodiment further includes a plurality of prompting devices, where each prompting device is connected to each storage host 20 in a one-to-one correspondence manner, and is used to send out a prompting message when there is a failure in the storage host 20.
It should be noted that, each storage host 20 is provided with a prompting device connected thereto for sending a prompting message to notify an operator of the current data transmission situation when there is a failure in the storage host 20. It should be noted that, in this embodiment, specific types of the prompting device are not limited, and as a preferred embodiment, the prompting device may be a buzzer and/or an indicator light. It can be understood that the buzzer and the indicator light are commonly used as the prompting device, which not only can achieve the prompting effect simply and intuitively, but also is simple to use and low in price, and therefore, the buzzer and/or the indicator light are preferably used as the prompting device in the embodiment.
More specifically, different working states of the prompting device can be set to different prompting messages correspondingly, so that the effect of prompting various fault conditions is achieved. For example, the blinking and the long-lighting of the indicator lamps may be respectively corresponding to different fault conditions, or the combination of the indicator lamps with different colors may be used to respectively correspond to different fault conditions; accordingly, when the buzzer is used as the prompting device, the combination of the long sound and the short sound of the buzzer and the combination of the long sound and the short sound can be set to indicate different failure conditions, which is not specifically limited in the present embodiment.
The above detailed description is made on an embodiment of a data storage device provided by the present invention, and the present invention also provides a data storage method corresponding to the device, and since an embodiment of a method portion corresponds to an embodiment of a device portion, the following embodiments may also refer to the drawings in the above embodiments, and repeated contents in the following embodiments and the above embodiments are not repeated.
Fig. 3 is a flowchart of a data storage method according to an embodiment of the present invention, and as shown in fig. 3, the data storage method includes:
s10: when a storage host with a fault is detected, selecting a target data transmission link from the rest data transmission links according to a preset rule;
s20: and switching the service data to a target data transmission link for data transmission, and storing the service data in a corresponding target storage host.
According to the data storage method provided by the embodiment of the invention, when a storage host with a fault is detected, a target data transmission link is selected from the rest data transmission links according to a preset rule; and switching the service data to a target data transmission link for data transmission, so that the service data is stored in the corresponding target storage host. Therefore, when a storage host fails, the link switcher can switch the service data of the failed storage host to other data transmission links to continue data transmission, so as to realize the storage of the service data. Therefore, the problem that the corresponding data transmission link cannot store data and the service data is lost when the storage host fails is solved, and the reliability and the stability of the stored data are improved.
On the basis of the foregoing embodiment, the present embodiment further describes and optimizes the technical solution, specifically, when a storage host with a failure is detected, selecting a target data transmission link from the remaining data transmission links according to a preset rule specifically includes:
when a storage host with a fault is detected, detecting each traffic of the rest data transmission links;
and comparing the traffic volumes, and setting the data transmission link with the least traffic volume as a target data transmission link.
Specifically, when a storage host with a failure is detected, taking CE1 failure as an example, the data transmission links of SW1 and CE1 are interrupted, so that the traffic of all the remaining data transmission links, that is, all the data transmission links except the data transmission link of CE1-SW1, such as SW2-CE2 and SW3-CE3, are detected, the sizes of the traffic are compared, the data transmission link with the smallest traffic is obtained, the data transmission link is used as a target data transmission link, and then the current traffic data is switched to the target data transmission link for data transmission. Assuming that the traffic of the CEs 3-SW3 is minimum at present, the current data transmission link is set to be SW1-SW3-CE3, so that the switching of the data transmission link is realized, and the stability and reliability of the service data are improved.
As a preferred implementation manner, in this embodiment, comparing the traffic volumes, and setting the data transmission link with the least traffic volume as the target data transmission link specifically includes:
and comparing the traffic volumes, and setting the two data transmission links with the least traffic volume as target data transmission links.
Specifically, the traffic corresponding to each data transmission link is sorted in an ascending or descending manner, and then the N data transmission links with the least traffic are selected as the target data transmission links. Wherein N is a value greater than or equal to 2, and N is a positive integer. In this embodiment, as a preferred implementation, the value of N is 2, which not only can implement redundant transmission and redundant storage, but also does not make the transmission line too complicated and the same stored service data too much occupy too much storage space. The method reduces the possibility that the switched data transmission link still has faults, and further improves the reliability and stability of the stored service data.
On the basis of the foregoing embodiment, this embodiment further describes and optimizes the technical solution, and specifically, after the storage host with the failure has the failure, the service data is switched back to the data transmission link corresponding to the storage host with the failure removed for data transmission.
That is, when detecting the failure release of the storage host with the failure before, the service data is switched back to the data transmission link corresponding to the storage host with the failure release for data transmission. Specifically, by detecting the failure condition of each storage host in real time or periodically, when the failure of the target storage host is detected to be resolved, taking the failure of CE1 in the above embodiment as an example, the switched data transmission link is SW1-SW3-CE3, and if the failure of CE1 is detected to be resolved, the service data is switched to the data transmission link corresponding to CE1, that is, the data transmission link is changed to SW1-CE 1.
In this embodiment, after the failure of the storage host with the failure is resolved, the service data is switched to the data transmission link corresponding to the storage host with the failure resolved back for data transmission, so that the increase of the data transmission pressure on other data links after the data link is switched can be avoided, and the stability and reliability of the stored service data are further improved.
A data storage device and method provided by the present invention have been described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
Claims (8)
1. A data storage device, comprising: a link switcher and a storage host;
the link switcher is connected with a server and a plurality of storage hosts to form a plurality of data transmission links;
the link switcher is used for switching each data transmission link;
the storage host is used for storing the service data of the server;
each storage host is specifically used for storing the service data of the server corresponding to the storage host;
the storage host computer further comprises a plurality of prompting devices, wherein each prompting device is connected with each storage host computer in a one-to-one correspondence mode and used for sending out prompting information when the storage host computers have faults.
2. The apparatus of claim 1, wherein the link switcher specifically comprises:
a plurality of switches connected to each other and connected to each of the storage hosts, respectively;
and the arbitrator is connected with each switch and used for switching the service data in each switch.
3. The arrangement according to claim 1, characterized in that the link switch is embodied as a high-end switch.
4. The apparatus of claim 1, further comprising:
and the extension cabinet is correspondingly connected with the storage host and is used for extending the storage space of the storage host.
5. A method of storing data, comprising:
when a storage host with a fault is detected, selecting a target data transmission link from the rest data transmission links according to a preset rule;
switching the service data to the target data transmission link for data transmission and storing the service data in the corresponding target storage host;
the specific steps of switching the service data to the target data transmission link for data transmission and storing the data in the corresponding target storage host are as follows:
switching the service data to the target data transmission link to perform data transmission and storing the service data of the server corresponding to the server into the corresponding target storage host;
the data storage method further comprises the following steps:
and when the storage host has a fault, the prompting device which is correspondingly connected with the storage host and controls the fault sends prompting information.
6. The method according to claim 5, wherein when the storage host with the failure is detected, selecting the target data transmission link from the remaining data transmission links according to the preset rule specifically includes:
when the storage host with the fault is detected, detecting each traffic of the rest data transmission links;
and comparing the traffic volumes, and setting the data transmission link with the least traffic volume as the target data transmission link.
7. The method according to claim 6, wherein the comparing the traffic volumes and setting the data transmission link with the least traffic volume as the target data transmission link comprises:
and comparing the traffic volumes, and setting the two data transmission links with the least traffic volumes as the target data transmission links.
8. The method of any of claims 5 to 7, further comprising:
and when the fault of the storage host with the fault is removed, switching the service data back to the data transmission link corresponding to the storage host with the fault removed for data transmission.
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| CN114968873B (en) * | 2022-05-11 | 2024-04-05 | 中国科学院计算技术研究所 | PCIE data exchange device and method for switching data paths |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357787A (en) * | 2016-09-30 | 2017-01-25 | 郑州云海信息技术有限公司 | Storage disaster tolerant control system |
| CN107147529A (en) * | 2017-05-24 | 2017-09-08 | 郑州云海信息技术有限公司 | A kind of data disaster tolerance system and method |
| CN107168830A (en) * | 2017-05-18 | 2017-09-15 | 郑州云海信息技术有限公司 | A kind of disaster tolerance system based on virtual platform, method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106357787A (en) * | 2016-09-30 | 2017-01-25 | 郑州云海信息技术有限公司 | Storage disaster tolerant control system |
| CN107168830A (en) * | 2017-05-18 | 2017-09-15 | 郑州云海信息技术有限公司 | A kind of disaster tolerance system based on virtual platform, method |
| CN107147529A (en) * | 2017-05-24 | 2017-09-08 | 郑州云海信息技术有限公司 | A kind of data disaster tolerance system and method |
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