CN105471959A - Starting method and device of virtual machine in cluster network - Google Patents
Starting method and device of virtual machine in cluster network Download PDFInfo
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- CN105471959A CN105471959A CN201510481519.0A CN201510481519A CN105471959A CN 105471959 A CN105471959 A CN 105471959A CN 201510481519 A CN201510481519 A CN 201510481519A CN 105471959 A CN105471959 A CN 105471959A
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- virtual machine
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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
Abstract
The invention discloses a starting method and device of a virtual machine in a cluster network and aims to solve the problem in the prior art that resources are wasted by devices and data transmission in the cluster network. The method comprises the steps that: a storage node connected with a calculation node and a mirroring node is set; and the mirroring node sets a virtual machine mirror image in the storage node in advance so as to enable the calculation node to create and start the virtual machine in the storage node according to the preset mirror image. According to the invention, and the calculation node and the mirroring node share one storage node, the calculation node creates and starts the virtual machine by reading the virtual machine mirror image preset in the storage node, so that interfaces among network nodes and the data transmission amount are reduced, the devices and resources of data transmission are saved, and the data transmission efficiency is improved.
Description
Technical field
The invention belongs to network cluster technical field, be specifically related to starting method and the device of virtual machine in a kind of cluster network.
Background technology
Along with the high speed development of the Internet and network are applied more and more widely in life, to store to data in network and the relevant performance such as reading becomes more and more important.Network cluster technology is the network technology of the ultra-large data volume of current solution, and network cluster stores the platform that data center is bearer network cloud computing, and outstanding data center network architecture is the key meeting cloud computing and improve data center's performance.
In prior art, the service node that network cluster stores data center comprises computing node and mirror nodes, computing node and mirror nodes all have separately independently memory device, the memory device of computing node only communicates with computing node, the memory device of mirror nodes only communicates with mirror nodes, therefore, the data storage between computing node and mirror nodes needs data by transmitting between the computing node under Controlling vertex and mirror nodes.That is, computing node is when carrying out image starting, first mirror nodes is needed to carry out data download from the memory device of mirror nodes, after image file downloads to mirror nodes, upload to again in the memory device of computing node and start corresponding program, this means that the mirrored procedure of computing node needs experience once download and once upload and could be used by computing node.
This shows, the data flow major part that network cluster of the prior art stores data center's generation is the data flow between service node and service node, the data flow between service node and respective memory device, and user only accounts for a little part for all data flow by the data flow of terminal access set group network, waste the resource of device and transfer of data, greatly reduce the utilization rate of the network bandwidth and the efficiency of transmission of data.
Summary of the invention
The object of this invention is to provide starting method and the device of virtual machine in a kind of cluster network, make the program created by Mirror Info when starting, do not need the repetition communication between computing node and mirror nodes, the transfer resource of saveall and data, improve data transmission efficiency.
According to an aspect of the present invention, provide the starting method of virtual machine in a kind of cluster network, described method comprises the steps:
Step S1, arranges the memory node be connected with mirror nodes with computing node;
Step S2, mirror nodes is preset virtual machine image in memory node;
Step S3, computing node creates virtual machine in memory node;
Step S4, mirror nodes arranges the startup mirror image of virtual machine in memory node;
Step S5, computing node is based on startup image starting virtual machine.
In such scheme, before above-mentioned steps S3, described method also comprises: step S21, and computing node presets virtual machine creating rule and quota template.
In such scheme, described step S3 comprises further:
Step S301, computing node receives the request that user creates virtual machine;
Step S302, computing node sends the request obtaining virtual machine image to mirror nodes;
Step S303, mirror nodes returns the index of virtual machine image to computing node;
Step S304, computing node obtains virtual machine image in memory node;
Step S305, computing node creates virtual machine according to virtual machine image.
In such scheme, described computing node according to get in memory node in virtual machine image and computing node preset virtual machine creating rule and quota template in memory node, create virtual machine.
In such scheme, described step S4 comprises further:
Step S401, computing node sends to mirror nodes the message that virtual machine creating completes;
Step S402, mirror nodes forms the startup mirror image of this virtual machine according to created virtual machine in memory node; And/or
Step S403, mirror nodes sends the index information starting mirror image to computing node.
In such scheme, described step S5 comprises further:
Step S501, computing node receives the solicited message of the startup virtual machine that user sends;
Step S502, computing node sends the request obtaining and start mirror image to mirror nodes;
Step S503, mirror nodes returns the index information starting mirror image to computing node;
Step S504, computing node index in memory node user ask the startup mirror image of virtual machine that starts;
Step S505, computing node starts virtual machine in memory node.
According to another aspect of the present invention, additionally provide the starting drive of virtual machine in a kind of cluster network, described device comprises computing node, mirror nodes, memory node, wherein,
Described memory node is connected with mirror nodes with computing node, for storing the virtual machine activation mirror image of the preset virtual machine image of virtual machine instance, mirror nodes that computing node creates and formation;
Described mirror nodes is used for preset virtual machine image in memory node, also for arranging the startup mirror image of virtual machine in memory node;
Described computing node is used for creating virtual machine in memory node, also for based on startup image starting virtual machine.
In such scheme, described device also comprises presetting module, for presetting virtual machine creating rule and quota template in computing node.
In such scheme, described computing node is further used for obtaining the virtual machine image preset in memory node of mirror nodes, and according to getting the virtual machine creating rule preset in virtual machine image and computing node and quota template creates virtual machine in memory node in memory node.
In such scheme, described computing node is also for sending the message that virtual machine creating completes to mirror nodes;
Described mirror nodes also for forming the startup mirror image of this virtual machine in memory node according to created virtual machine, and sends the index information starting mirror image to computing node.
In such scheme, described computing node be further used for computing node index in memory node user ask start virtual machine startup mirror image and in memory node, start virtual machine.
The invention discloses starting method and the device of virtual machine in a kind of cluster network, described method comprises: arrange the memory node be connected with mirror nodes with computing node; Mirror nodes is preset virtual machine image in memory node; Computing node creates virtual machine in memory node; Mirror nodes arranges the startup mirror image of virtual machine in memory node; Computing node is based on startup image starting virtual machine.Pass through said method, after making virtual machine creating, computing node directly read described virtual machine startup mirror image and by virtual machine described in described preset startup image starting, and do not need the frequent communication of computing node and mirror nodes, under the prerequisite ensureing network function, decrease the data flow between computing node and mirror nodes, saved the resource of device and transfer of data, improve data transmission efficiency.
Accompanying drawing explanation
Fig. 1 is the starting method schematic flow sheet of virtual machine in the cluster network of the preferred embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the establishment virtual machine of the preferred embodiment of the present invention;
Fig. 3 is the schematic flow sheet arranging the startup mirror image of virtual machine of the preferred embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the startup virtual machine of the preferred embodiment of the present invention;
Fig. 5 is the starting drive structural representation of virtual machine in the cluster network of the preferred embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Fig. 1 is the starting method schematic flow sheet of virtual machine in the cluster network of the preferred embodiment of the present invention.
As shown in Figure 1, in the cluster network of the embodiment of the present invention, the starting method of virtual machine, comprises the steps:
Step S1, arranges the memory node be connected with mirror nodes with computing node.
In this step, by arranging the memory node be connected with mirror nodes with computing node, can make when mirror nodes can in memory node preset virtual machine image, and computing node also can read described preset virtual machine image from this memory node, namely the memory node that computing node and mirror nodes share is arranged to, thus the interface simplified between node, save memory space, decrease size of message and the disk reading times of Internet Transmission.
Step S2, mirror nodes is preset virtual machine image in memory node.
Mirror nodes pre-sets virtual machine image in memory node, uses when virtual machine image is for creating virtual machine.Here, preset virtual machine image can be several, each preset virtual machine image is provided with an index information, to indicate the title of this mirror image and/or type and memory address, the index information of these preset virtual machine image is stored in mirror nodes, when the solicited message that sink virtual machine creates, according to title or the type of the virtual machine of request establishment, preset virtual machine image can be indexed in memory node.
Step S3, computing node creates virtual machine in memory node.
In this step, before establishment virtual machine, rule and the quota template of virtual machine creating can be preset in computing node, computing node obtains Mirror Info, computing node, according to the rule of the Mirror Info of described acquisition and default program creation and quota template, creates virtual machine in memory node.
Step S4, mirror nodes arranges the startup mirror image of virtual machine in memory node.
After computing node creates virtual machine in memory node, virtual machine creating can be sent to mirror nodes and complete message, mirror nodes forms the startup mirror image of this virtual machine according to created virtual machine in memory node, and send message to computing node, notify the index information (instruction starts the information such as title, memory location of mirror image) of the startup mirror image of this virtual machine.
Step S5, computing node is based on startup image starting virtual machine.
When virtual machine needs to start, computing node obtains according to the index information of the startup mirror image of virtual machine and starts mirror image from memory node, and based on the virtual machine that this startup image starting creates.By this step, computing node can index in memory node user ask the startup mirror image of virtual machine that starts, thus directly in memory node, start virtual machine, thus the data traffic decreased between interface, substantially increase virtual machine activation speed, and then improve the message transmission rate of cluster network entirety.
In the present invention, the startup of virtual machine can be automatically start virtual machine after establishment virtual machine, also can be after establishment starts mirror image, receive after user starts the request of virtual machine and start virtual machine.
Preferably, before above-mentioned steps S3, also comprise step S21, computing node presets virtual machine creating rule and quota template.
By the quota template of the rule and virtual machine that preset virtual machine creating in computing node, make to create in the step of virtual machine at follow-up computing node, can directly according to rule and the quota template fast creation virtual machine of this default virtual machine creating, and do not need to download from other memory nodes to obtain, thus optimize virtual machine creating flow process.
In this step, before virtual machine activation, be prefixed virtual machine image by mirror nodes at described memory node, during virtual machine activation, computing node directly can read Mirror Info from memory node, thus passes through read Mirror Info, starts virtual machine.Here, the preset virtual machine image of mirror nodes, can complete in any stage before virtual machine activation, that is, can complete preset before virtual machine creating, also can be preset after virtual machine creating, or preset in other times section, as long as meet complete before virtual startup preset.
Fig. 2 is the schematic flow sheet of the establishment virtual machine of the preferred embodiment of the present invention.
Create in memory node in the step S3 of virtual machine at computing node shown in Fig. 1, computing node is after receiving user and creating the request of virtual machine, need to create virtual machine in memory node, as shown in Figure 2, the step S3 that described computing node creates virtual machine comprises the steps:
Step S301, computing node receives the request that user creates virtual machine.
When user needs to create virtual machine in cluster network, the computing node to cluster network data center sends the request creating virtual machine, and computing node receives the request that user creates virtual machine.Described request generally includes the title of virtual machine and/or type that need to create, and start-up time etc. information.
Step S302, computing node sends the request obtaining virtual machine image to mirror nodes.
In this step, received user asks the request to create information creating virtual machine to send to mirror nodes by computing node, this packets of information contains title and/or the type of the virtual machine that will create, and mirror nodes can index preset virtual machine image according to this request message.
Step S303, mirror nodes returns the index of virtual machine image to computing node.
Mirror nodes receives the request of described acquisition Mirror Info, according to title and/or the type of the virtual machine of request establishment, returns the index information of virtual machine image to computing node.The index information of virtual machine image described here is corresponding with virtual machine image information, after computing node receives this index, can index preset virtual machine image by index information thus.
Step S304, computing node obtains virtual machine image in memory node.
The index information of the virtual machine image that computing node returns according to mirror nodes, obtains virtual machine image in memory node, thus can create virtual machine according to this virtual machine image.
Here, between computing node and mirror nodes, RPC or REST communication is adopted.
Step S305, computing node creates virtual machine according to virtual machine image.
After computing node gets virtual machine image in memory node, directly in memory node, create virtual machine according to this mirror image.
Preferably, computing node, according to getting the virtual machine creating rule and quota template preset in virtual machine image and computing node in memory node, directly creates virtual machine in memory node.By this set, greatly can optimize the flow process of virtual machine creating, reduce the transfer of data quantity between each network node.
Fig. 3 is the schematic flow sheet arranging the startup mirror image of virtual machine of the preferred embodiment of the present invention.
As shown in Figure 3, in the present embodiment, the step S4 shown in Fig. 1 comprises following sub-step:
Step S401, computing node sends to mirror nodes the message that virtual machine creating completes.
Here, here between computing node and mirror nodes, adopt RPC or REST communication.
Step S402, mirror nodes forms the startup mirror image of this virtual machine according to created virtual machine in memory node.
In this step, create at computing node in the process of virtual machine, mirror nodes forms the startup mirror image of this virtual machine at memory node.This startup mirror image can directly be quoted by computing node, for starting corresponding virtual machine.
Optionally, can also comprise step S403, mirror nodes sends the index information starting mirror image to computing node.Described index information instruction starts the information such as title, memory location of mirror image.
In this step, index information is corresponding with startup mirror image, and computing node receives this index, directly can find the startup mirror image of the corresponding virtual machine in memory node according to index, thus directly can start virtual machine, and do not need to send acquisition request startup mirror image to mirror nodes again.Like this, user only needs to send the request once creating virtual machine, and what just can realize virtual machine is created to startup two processes.
Fig. 4 is the schematic flow sheet of the startup virtual machine of the preferred embodiment of the present invention.
As shown in Figure 4, in the present embodiment, the step S5 shown in Fig. 1 comprises following sub-step:
Step S501, computing node receives the solicited message of the startup virtual machine that user sends.
The solicited message of described startup virtual machine comprises title and/or the type of virtual machine.
Step S502, computing node sends the request obtaining and start mirror image to mirror nodes.
Described request comprises title and/or the type of virtual machine.
Step S503, mirror nodes returns the index information starting mirror image to computing node.
Described index information comprises title and/or type and the memory location etc. of virtual machine.
Step S504, computing node index in memory node user ask the startup mirror image of virtual machine that starts.
Step S505, computing node starts virtual machine in memory node.
As mentioned above, by the method for the present embodiment, when virtual machine needs to start, computing node can directly obtain mirror image and start from memory node, the rule of virtual machine creating and the quota template of virtual machine is preset at the preset mirror image of memory node at computing node in advance by mirror nodes, by the optimization of above flow process, achieve the common memory equipment of memory node form, simplify the interface between node, decrease size of message and the disk reading times of Internet Transmission, improve device resource utilization, solve the problem of waste data transmission resources.Fig. 5 is virtual machine activation apparatus structure schematic diagram in the cluster network of the preferred embodiment of the present invention.
As shown in Figure 5, virtual machine activation device in the cluster network of the present embodiment, comprising: computing node 1, mirror nodes 2, memory node 3; Wherein,
Memory node 3 is connected with mirror nodes 2 with computing node 1.
Here, by arranging the memory node 3 be connected with mirror nodes 2 with computing node 1, can make mirror nodes 2 can in memory node 3 preset virtual machine image, and computing node 1 also can read described preset virtual machine image from this memory node 3, namely the memory node that computing node 1 and mirror nodes 2 share is arranged to, thus the interface simplified between node, save memory space, decrease size of message and the disk reading times of Internet Transmission.
Mirror nodes 2 for virtual machine image preset in memory node 3, also for arranging the startup mirror image of virtual machine in memory node 3.
Mirror nodes 2 pre-sets virtual machine image in memory node 3, uses when virtual machine image is for creating virtual machine.Here, preset virtual machine image can be several, each preset virtual machine image is provided with an index information, to indicate the title of this mirror image and/or type and memory address, the index information of these preset virtual machine image is stored in mirror nodes 2, when the solicited message that sink virtual machine creates, according to title or the type of the virtual machine of request establishment, preset virtual machine image can be indexed in memory node 3.
Mirror nodes 2 can also create virtual machine at computing node 1 and send to mirror nodes 2 after virtual machine creating completes message in memory node 3, in memory node 3, the startup mirror image of this virtual machine is formed according to created virtual machine, and send message to computing node 1, notify the index information (instruction starts the information such as title, memory location of mirror image) of the startup mirror image of this virtual machine.
Computing node 1 for creating virtual machine in memory node 3, also for based on startup image starting virtual machine.
Here, before establishment virtual machine, rule and the quota template of virtual machine creating can be preset in computing node 1, computing node 1 obtains Mirror Info, computing node 1, according to the rule of the Mirror Info of described acquisition and default program creation and quota template, creates virtual machine in memory node 3.
When virtual machine needs to start, computing node 1 obtains according to the index information of the startup mirror image of virtual machine and starts mirror image from memory node 3, and based on the virtual machine that this startup image starting creates.By this step, computing node 1 can index in memory node 3 user ask the startup mirror image of virtual machine that starts, thus directly in memory node 3, start virtual machine, thus the data traffic decreased between interface, substantially increase virtual machine activation speed, and then improve the message transmission rate of cluster network entirety.
Described device can also comprise presetting module 4, for presetting virtual machine creating rule and quota template in computing node 1.
By presetting the rule of virtual machine creating and the quota template of virtual machine in computing node 1, make to create in the step of virtual machine at follow-up computing node 1, can directly according to rule and the quota template fast creation virtual machine of this default virtual machine creating, and do not need to download from other memory nodes to obtain, thus optimize virtual machine creating flow process.So, described device, under the prerequisite ensureing network function, decreases the data flow between computing node and mirror nodes, has saved the resource of device and transfer of data, improve data transmission efficiency.
Should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (11)
1. the starting method of virtual machine in cluster network, it is characterized in that, described method comprises the steps:
Step S1, arranges the memory node be connected with mirror nodes with computing node;
Step S2, mirror nodes is preset virtual machine image in memory node;
Step S3, computing node creates virtual machine in memory node;
Step S4, mirror nodes arranges the startup mirror image of virtual machine in memory node; And
Step S5, computing node is based on startup image starting virtual machine.
2. method according to claim 1, is characterized in that, before above-mentioned steps S3, described method also comprises: step S21, and computing node presets virtual machine creating rule and quota template.
3. method according to claim 1, is characterized in that, described step S3 comprises further:
Step S301, computing node receives the request that user creates virtual machine;
Step S302, computing node sends the request obtaining virtual machine image to mirror nodes;
Step S303, mirror nodes returns the index of virtual machine image to computing node;
Step S304, computing node obtains virtual machine image in memory node; And
Step S305, computing node creates virtual machine according to virtual machine image.
4. method according to claim 3, is characterized in that, described computing node according to get in memory node in virtual machine image and computing node preset virtual machine creating rule and quota template in memory node, create virtual machine.
5. method according to claim 1, is characterized in that, described step S4 comprises further:
Step S401, computing node sends to mirror nodes the message that virtual machine creating completes;
Step S402, mirror nodes forms the startup mirror image of this virtual machine according to created virtual machine in memory node; And/or
Step S403, mirror nodes sends the index information starting mirror image to computing node.
6. method according to claim 1, is characterized in that, described step S5 comprises further:
Step S501, computing node receives the solicited message of the startup virtual machine that user sends;
Step S502, computing node sends the request obtaining and start mirror image to mirror nodes;
Step S503, mirror nodes returns the index information starting mirror image to computing node; And
Step S504, computing node index in memory node user ask the startup mirror image of virtual machine that starts;
Step S505, computing node starts virtual machine in memory node.
7. the starting drive of virtual machine in cluster network, described device comprises: computing node, mirror nodes, memory node, is characterized in that,
Described memory node is connected with mirror nodes with computing node, for storing the virtual machine activation mirror image of the preset virtual machine image of virtual machine instance, mirror nodes that computing node creates and formation;
Described mirror nodes is used for preset virtual machine image in memory node, also for arranging the startup mirror image of virtual machine in memory node; And
Described computing node is used for creating virtual machine in memory node, also for based on startup image starting virtual machine.
8. device according to claim 7, is characterized in that, described device also comprises presetting module, for presetting virtual machine creating rule and quota template in computing node.
9. device according to claim 7, it is characterized in that, described computing node is further used for obtaining the virtual machine image preset in memory node of mirror nodes, and according to getting the virtual machine creating rule preset in virtual machine image and computing node and quota template creates virtual machine in memory node in memory node.
10. device according to claim 7, is characterized in that,
Described computing node is also for sending the message that virtual machine creating completes to mirror nodes;
Described mirror nodes also for forming the startup mirror image of this virtual machine in memory node according to created virtual machine, and sends the index information starting mirror image to computing node.
11. devices according to claim 10, is characterized in that, described computing node be further used for computing node index in memory node user ask the startup mirror image of virtual machine that starts, and start virtual machine in memory node.
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination |