CN112202843A - High-availability system and super-fusion system of control node - Google Patents
High-availability system and super-fusion system of control node Download PDFInfo
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- CN112202843A CN112202843A CN202010945984.6A CN202010945984A CN112202843A CN 112202843 A CN112202843 A CN 112202843A CN 202010945984 A CN202010945984 A CN 202010945984A CN 112202843 A CN112202843 A CN 112202843A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45562—Creating, deleting, cloning virtual machine instances
Abstract
The invention provides a high-availability system of control nodes and a super-fusion system, wherein the high-availability system of the control nodes is applied to the super-fusion system and comprises at least two control nodes which are packaged and operated in a container and configured in a mirror image mode, the container is configured with independent physical network cards, and all the physical network cards are mapped to a virtual IP group; the shared storage system is used for mounting all the containers to the shared storage system and is connected with the switch through a physical network card; the container configures a cloud service program interface that accesses the virtual IP group. According to the high-availability system and the super-fusion system of the control node disclosed by the invention, the control node occupies the resources of the host in the super-fusion node for deploying the control node, and the light weight is realized; the two control nodes are mounted to the shared storage system, so that the strong consistency of data between the two control nodes is ensured, and the high availability of the control nodes in the super-fusion system is realized.
Description
Technical Field
The invention relates to the technical field of super fusion, in particular to a high-availability system of a control node and a super fusion system.
Background
The super convergence system is based on a super Converged Infrastructure (HCI), and means that resources and technologies such as computation, network, storage, and server virtualization are not only provided in the same set of unit devices, but also elements such as backup software, snapshot technology, data de-duplication, online data compression are included, and multiple sets of unit devices can be aggregated through the network to realize modular seamless lateral expansion (scale-out) to form a uniform resource pool. In a super-fusion system, at least three hosts (i.e., "super-fusion nodes" or "nodes") in physical states are usually set, and a control node, a storage node, a network node, and a computation node are defined in the hosts.
In order to ensure high availability of the super-fusion system, control nodes are usually deployed on two or three physical machines, and due to huge resource consumption of the control nodes, if a plurality of control nodes are deployed in the super-fusion system, serious resource consumption is inevitably caused to hosts in the super-fusion system, and response performance of other functional nodes, such as computing nodes, network nodes or storage nodes, is affected. To ensure high availability, two or more control nodes are typically deployed. But the cost of physical resources of the hosts is invisibly increased, and the system disk and the data disk are synchronously operated after a certain host is down or a certain control node is suspended, so that the strong consistency of the whole ultra-converged system is ensured. In the prior art, a plurality of hosts configured in a super-fusion system cannot reduce the occupation amount of resources of a plurality of configured control nodes while ensuring data consistency and fast switching of the control nodes.
In view of the above, there is a need for an improved hyper-fusion system in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a high-availability system and a super-fusion system of control nodes, which are used for realizing strong data consistency and high-availability quick switching of each control node on the premise of reducing the occupation of the control nodes on host machine resources.
To achieve the first object, the present invention provides a highly available system of control nodes, which is applied in a super-fusion system,
the method comprises the following steps:
the system comprises at least two control nodes which are packaged and operated in a container and are configured in a mirror image mode, wherein the container is provided with an independent physical network card, and all the physical network cards are mapped to a virtual IP group;
the shared storage system is used for mounting all the containers to the shared storage system and is connected with the switch through the physical network card;
the container configures a cloud service program interface for accessing the virtual IP group.
As a further improvement of the invention, the super-fusion system comprises at least two super-fusion nodes, and the file and storage path mount of the host formed by each super-fusion node is mounted to the container through the virtual IP group.
As a further improvement of the invention, the shared storage system is selected from a distributed storage system, a ZFS file system or a super-converged storage system.
As a further improvement of the invention, the physical network cards configured by the two control nodes only configure a virtual IP address for the physical network card of one control node, and a data communication link is established by a virtual IP group consisting of the virtual IP address and the physical network cards configured by the two control nodes.
As a further improvement of the invention, at least two control nodes are bound to each other with the shared storage system through virtual IP addresses.
As a further improvement of the present invention, the control node configures a cloud service program interface connected to the virtual IP group and a user interface, where the user interface responds to an access request initiated by a user and is configured between the virtual IP group and the cloud service program interface.
As a further improvement of the present invention, the physical network card configured by the control node is connected to a switch, and a user initiates an access request to the plurality of control nodes through the switch.
Based on the same invention idea, the application also discloses a super-fusion system, which comprises: selecting at least two super-fusion nodes as control nodes, wherein the control nodes are packaged and operated in a container and are configured in a mirror image mode, the container is configured with independent physical network cards, and all the physical network cards are mapped to a virtual IP group; the shared storage system is used for mounting all the containers to the shared storage system and is connected with the switch through the physical network card; the container configures a cloud service program interface for accessing the virtual IP group.
As a further improvement of the invention, the super-fusion system comprises at least two super-fusion nodes, and the file and storage path mount of the host formed by each super-fusion node is mounted to the container through the virtual IP group.
As a further improvement of the present invention, the shared storage system is selected from a distributed storage system, a ZFS file system or a super-converged storage system; the physical network cards configured by the two control nodes only configure a virtual IP address for the physical network card of one control node, and a data communication link is established by the virtual IP address and a virtual IP group consisting of the physical network cards configured by the two control nodes.
Compared with the prior art, the invention has the beneficial effects that:
firstly, in the application, because two control nodes are packaged and operated in a container, the resources occupied by the control nodes for hosts in the super-fusion node where the control nodes are deployed are obviously reduced, and the method has the advantage of light weight; secondly, the two control nodes are mounted to the shared storage system, so that the strong consistency of data between the two control nodes is ensured; and finally, mapping the physical network cards configured by the two control nodes to a virtual IP group and configuring a virtual IP address for the physical network card of only one control node, so that a user can access any one control node through the unique virtual IP address at any time point, and even if one control node fails, the other control node can replace the failed control node, thereby realizing high availability of the control nodes in the super-fusion system.
Drawings
FIG. 1 is a topology diagram of a highly available system of control nodes of the present invention;
fig. 2 is a topology diagram of a high availability system of a control node according to a variation of the present invention;
FIG. 3 is a topological diagram of a hyper-converged system of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a specific embodiment of a highly available system of control nodes is shown. In this embodiment, the high-availability system of the control node is applied to a super-fusion system, and includes: at least two control nodes are packaged and operated in containers and configured as mirror images of each other, the containers are configured with independent physical network cards, and all the physical network cards are mapped to the virtual IP group 50. And the shared storage system 30 is mounted with all containers to the shared storage system 30 and connected with the switch 40 through the physical network card. The container configures the cloud service program interface 112, 212 that accesses the virtual IP group 50. The shared storage system 30 is selected from a distributed storage system, a ZFS file system, or a super-converged storage system. The shared storage system 30 is formed by the storage resources of the physical storage devices formed by a plurality of super-fusion nodes together to form a high-availability storage pool, so as to meet the requirements of the super-fusion system for flexibility and transverse expansion of storage capacity. Each super-fusion node can be independently provided with a control node, a network node and the like.
The super-fusion system is a soft-hard integrated fusion architecture taking software definition as a core, integrates a network, calculation, storage and software service into a universal fusion node by adopting a standard x86 server, realizes Share-nothing distributed architecture deployment, and simplifies management and delivery. Usually, the software and hardware integrated machine can be used after being plugged in, and the software delivery mode can complete cluster installation and deployment in an extremely short time (within 1 hour). The control node manages the unified management of physical resources (such as CPUs, memories and disks) and/or virtual resources (such as virtual CPUs, virtual memories and databases) and virtual machines in all the super-fusion nodes in the super-fusion system, and particularly manages the allocation of a virtual network and the allocation of a storage space by the control node executing the operations of creating, deleting, migrating and backing up the virtual machines in the super-fusion nodes.
Specifically, in this embodiment, the high-availability system of the control node includes the control node 11 and the control node 21, and the control node 11 and the control node 21 are packaged and operated in a container and configured as mirror images of each other, that is, all configurations of the control node 11 and the control node 21 are the same. The control node 11 is configured with a physical network card 12, the control node is configured with a physical network card 22, and both the physical network card 12 and the physical network card 22 are connected to the switch 40. Physical network card 12 and physical network card 22 are both mapped to virtual IP group 50. The cloud service program interface in each control node provides the actual cloud computing service for the user.
Preferably, as shown in fig. 2, in this embodiment, the control node configures a cloud service program interface connected to the virtual IP group 50 and a user interface, where the user interface is configured between the virtual IP group 50 and the cloud service program interface and responds to an access request initiated by a user. For example, the user interface 111 is configured in the control node 11, the user interface 111 is between the virtual IP group 50 and the cloud service program interface 112, the user interface 211 is configured in the control node 21, and the user interface 211 is between the virtual IP group 50 and the cloud service program interface 212. The user interface 111 and the user interface 211 provide an external service interface for a cloud platform created based on the hyper-converged system. Of course, the user interface and the cloud service program interface may be integrated into one interface.
In this embodiment, the super-fusion system includes at least two super-fusion nodes, and each super-fusion node, i.e., the file and storage path of the host formed by the super-fusion node 10 and the super-fusion node 20, is mounted to the container through the virtual IP group 50. When the super-fusion system operates, the control node 11 may be used as a main control node, and the control node 21 may be used as a standby control node. At least two control nodes are bound to the shared storage system 30 through the virtual IP address, that is, two control nodes Mount to the shared storage system 30. The physical network cards configured by the two control nodes configure virtual IP addresses for the physical network card of only one control node, and establish a data communication link with a virtual IP group 50 formed by the virtual IP addresses and the physical network cards configured by the two control nodes.
The physical network card 12 configured by the control node 11 and the physical network card 22 configured by the control node 21 are connected to the switch 40, and a user initiates access requests to a plurality of control nodes through the switch 40. Meanwhile, resource scheduling and virtual machine operation are performed on the management control layer of the super-fusion system through the cloud program service interface 112. In the application, the network card in fig. 1 to 3 is a physical network card.
Because the two control nodes are packaged and operated in the Container (Container), the resources occupied by the control nodes for hosts in the super-fusion node for deploying the control nodes are obviously reduced, and the method has the advantage of light weight. The control node is packaged in a container form, which is convenient for realizing a micro-service architecture, and the high availability of the control node is realized by binding the virtual IP address and the shared storage system 30. The physical network card 12 and the physical network card 22 together form a virtual IP group 50, and at any time, only one virtual IP address exists in the virtual IP group 50, the virtual IP address establishes a mapping relationship with the physical network cards of all the control nodes, and a user can only access the main control node, i.e., the control node 11, when issuing an access request to all the super-fusion nodes. Because the two control nodes are mounted to the shared storage system 30, it is ensured that when the master control node fails, the bottom layer files, the configuration files and the data in the master control node can be synchronized to the control node 21 serving as the slave control node through the shared storage system 30, so that the high availability of the control nodes in the super-fusion system is ensured, and the advantage of rapid switching is achieved.
Example two:
referring to fig. 3, a super-converged system is disclosed in the present embodiment based on a high availability system of a control node disclosed in the first embodiment.
In this embodiment, a hyper-fusion system includes: selecting at least two super-fusion nodes as control nodes, wherein the control nodes are packaged and operated in containers and are configured in a mirror image mode, the containers are configured with independent physical network cards, and all the physical network cards are mapped to a virtual IP group 50; and the shared storage system 30 is mounted with all containers to the shared storage system 30 and connected with the switch 40 through the physical network card. The container configures the cloud service program interface 112, 212 that accesses the virtual IP group 50.
The super-fusion system comprises at least two super-fusion nodes (namely a super-fusion node 10, a super-fusion node 20 and a super-fusion node 50), and files and storage paths of hosts formed by each super-fusion node are mounted to the container through the virtual IP group 50. A container is here understood to be a primary control node or a backup control node. The shared storage system 30 is selected from a distributed storage system, a ZFS file system, or a super-converged storage system; the physical network cards configured by the two control nodes configure virtual IP addresses for the physical network card of only one control node, and establish a data communication link with a virtual IP group 50 formed by the physical network cards configured by the two control nodes through the virtual IP addresses (VIP addresses). Meanwhile, a computing node 51 is deployed in the super-fusion node 50, and the computing node 51 is also mounted to the shared storage system 30. The super-convergence node 50 configures a physical network card 52 that connects the switches 40. Physical network card 52 maps to virtual IP group 50. The physical network card 12, the physical network card 22, and the physical network card 52 together form a virtual IP group 50. The technical solutions of the present embodiment and the first embodiment having the same parts are described in the first embodiment, and are not described herein again.
The various illustrative logical blocks, or elements, described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A high-availability system of control nodes, which is applied to a super-fusion system,
it is characterized by comprising:
the system comprises at least two control nodes which are packaged and operated in a container and are configured in a mirror image mode, wherein the container is provided with an independent physical network card, and all the physical network cards are mapped to a virtual IP group;
the shared storage system is used for mounting all the containers to the shared storage system and is connected with the switch through the physical network card;
the container configures a cloud service program interface for accessing the virtual IP group.
2. The system of claim 1, wherein the super-converged system comprises at least two super-converged nodes, and the file and storage path mount of the host formed by each super-converged node is mounted to the container through a virtual IP group.
3. The high availability system of control nodes, according to claim 1, characterized in that the shared storage system is selected from distributed storage system, ZFS file system or super converged storage system.
4. The system of claim 1, wherein the physical network cards configured by the two control nodes configure virtual IP addresses for the physical network card of only one control node, and the data communication link is established through a virtual IP group consisting of the virtual IP addresses and the physical network cards configured by the two control nodes.
5. The system of claim 4, wherein at least two control nodes are bound to each other with a shared storage system by means of a virtual IP address.
6. The system of any one of claims 1 to 5, wherein the control node configures a cloud service program interface connected to the virtual IP group and a user interface, the user interface being responsive to a user initiated access request and configured between the virtual IP group and the cloud service program interface.
7. The system of claim 6, wherein the physical network card configured for the control node is connected to a switch, and a user initiates an access request to the plurality of control nodes through the switch.
8. A hyper-fusion system, comprising: selecting at least two super-fusion nodes as control nodes, wherein the control nodes are packaged and operated in a container and are configured in a mirror image mode, the container is configured with independent physical network cards, and all the physical network cards are mapped to a virtual IP group; the shared storage system is used for mounting all the containers to the shared storage system and is connected with the switch through the physical network card; the container configures a cloud service program interface for accessing the virtual IP group.
9. The system of claim 8, wherein the system comprises at least two super-fusion nodes, and the file and storage path mount of the host formed by each super-fusion node is mounted to the container through the virtual IP group.
10. The super-converged system of claim 8, wherein the shared storage system is selected from a distributed storage system, a ZFS file system, or a super-converged storage system; the physical network cards configured by the two control nodes only configure a virtual IP address for the physical network card of one control node, and a data communication link is established by the virtual IP address and a virtual IP group consisting of the physical network cards configured by the two control nodes.
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