WO2009110616A1 - 仮想マシンパッケージ生成システム、仮想マシンパッケージ生成方法および仮想マシンパッケージ生成プログラム - Google Patents
仮想マシンパッケージ生成システム、仮想マシンパッケージ生成方法および仮想マシンパッケージ生成プログラム Download PDFInfo
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- the present invention relates to a virtual machine package generation system, a virtual machine package generation method, and a virtual machine package generation program, and in particular, reduces dependency between virtual machine packages when generating a plurality of virtual machine packages from a built system.
- the present invention relates to a virtual machine package generation system capable of generating a highly reusable virtual machine package, a virtual machine package generation method, and a virtual machine package generation program.
- Virtual machine technology makes it possible to create a plurality of pseudo computer hardware by software on one computer hardware (physical machine).
- the pseudo computer hardware is called a virtual machine.
- the virtual machine can operate an operating system (OS) and an application program (application) in the same manner as a physical machine.
- the OS and application can be executed on various physical machines having a virtual machine execution environment without depending on the hardware configuration of the physical machine.
- Non-Patent Document 1 discloses a virtual machine disk format format VMDK of VMware ESX Server which is a virtual machine execution environment. A virtual machine stored in VMDK can be reproduced by distributing it to another VMware ESX Server environment.
- Such a virtual machine storage and reproduction technology is expected to have various industrial applications. For example, it can be expected to be applied to disaster recovery in which a system that has been broken during a large-scale disaster is reproduced at another location. In addition, when building a system, it can also be used for transferring a system built in a test environment to a real environment as it is.
- a method is conceived in which a plurality of virtual machines are packaged in a form including configuration information as a distributed system and stored as a virtual machine package.
- the format of the virtual machine package is being standardized as an OVF (Open Virtual Machine Format) of DMTF (Distributed Management Task Force).
- OVF defines the format format, but does not specify how to divide and package a distributed system.
- Patent Documents 1 to 4 As for virtual machines, Patent Documents 1 to 4 have already been disclosed, but the following problems have not been solved.
- the first problem is that a virtual machine package generated from a distributed system is low in reusability as a package and requires a lot of setting work at the time of distribution.
- the reason for this is that when dividing a distributed system into virtual machine packages, dependencies between many virtual machine packages remain, and setting work is required to resolve the dependencies according to the environment of the distribution destination. It is.
- the second problem is that a virtual machine package generated on the premise that it operates on a single physical machine from a distributed system places a heavy load on the distribution destination network.
- the reason for this is that, when a distributed system is divided into virtual machine packages, a large number of dependency relationships between virtual machine packages remain, and communication on a distribution destination network is required.
- an object of the present invention is to provide a virtual machine package generation method that reduces the dependency between virtual machine packages as much as possible when generating a virtual machine package from a distributed system.
- a virtual machine package generation system includes a virtual machine image generation function and a virtual machine package setting file generation function
- the virtual machine setting file generation function includes a program running on the target system, Includes analysis information collection unit, graph structure conversion unit, contracted graph generation unit, virtual machine package setting file generation unit that collects setting information analysis results, graphs the target system dependency, and minimizes edge weights
- the graph is reduced so that the virtual machine package candidate is extracted, virtual machine package candidates are cut out, and a virtual machine package setting file is generated.
- the virtual machine package generation method generates a virtual machine image from the configuration and connection relationship of the target computer system, analyzes the dependency relationship between the target computer systems, and sets the virtual machine package setting file And the virtual machine image and the virtual machine package setting file are stored as a virtual machine package.
- the object of the present invention can be achieved.
- the program according to the present invention generates a virtual machine package setting file by analyzing the dependency between target computer systems and processing for generating a virtual machine image from the configuration and connection relationship of the target computer system.
- the object of the present invention can be achieved by causing a computer to execute the process of storing the virtual machine image and the virtual machine package setting file as a virtual machine package.
- the first effect is that the reproduction of the distributed system by the distribution of the virtual machine package can be quickly processed.
- the reason is that the dependency between the virtual machine packages can be reduced, the number of places where the setting must be changed according to the system environment of the distribution destination can be reduced, and the setting work time can be shortened.
- the second effect is that the reusability of the virtual machine package can be improved.
- the reason is that the dependency between virtual machine packages can be reduced, so that the virtual machine package can be reproduced on different systems with a small number of setting items.
- a third effect is that when a virtual machine package is distributed in association with one physical server, the network load of the distribution destination of the virtual machine package can be reduced. This is because the dependency between virtual machine packages can be reduced, and the processing for communicating via the distribution destination network is reduced.
- FIG. 1 is a block diagram showing the configuration of the best mode for carrying out the first invention according to the present invention.
- FIG. It is a block diagram which shows the structure of the virtual machine package of the best form for implementing 1st invention based on this invention. It is a block diagram which shows the structure of the virtual machine package of the best form for implementing 1st invention based on this invention. It is a flowchart which shows operation
- the first embodiment of the present invention includes a virtual machine package generation system 1 for generating a virtual machine package and a plurality of target systems 2 constituting a target distributed system. .
- the target system 2 includes an operating system (OS) 23 and an application program (application) 22 that operate on a computer (central processing unit; processor; data processing unit), and analyzes programs and setting information that constitute the OS 23 and the application 22.
- OS operating system
- application application program
- a setting information / program analysis unit 21 is provided.
- the virtual machine package generation system 1 includes a virtual machine package generation function 11, a virtual machine image generation function 12, a virtual machine package storage unit 13, and a virtual machine package setting file generation function 14.
- FIG. 2 shows a configuration example when the virtual machine package generation system 1 is configured by a computer including one central processing element such as one server and a storage element.
- the virtual machine package generation system 1 includes a central processing element 3, a program memory, a virtual machine package storage unit 13, and a network interface 5, and a virtual machine package generation function 11, a virtual machine image generation function 12, and a virtual interface are included in the program memory.
- a machine package setting file generation function 14 is stored. Further, it is connected to the target system A via the network interface 5.
- a program having these functions operates in cooperation with the central processing element 3.
- the virtual machine package setting file generation function 14 includes an analysis information collection unit 141, a graph structure conversion unit 142, a contracted graph generation unit 143, and a virtual machine package setting file generation unit 144.
- the virtual machine package generation function 11 uses the virtual machine image generation function 12 to create a virtual machine image from the configuration and connection relationship of the target system 2. Further, the virtual machine package setting file generation function 14 is used to create a virtual machine package setting file.
- the created virtual machine image and virtual machine package setting file are stored in the virtual machine package storage unit 13 as a virtual machine package.
- FIG. 3 shows an example of a virtual machine package.
- the virtual machine package 131 stored in the virtual machine package storage unit 13 includes a plurality of virtual machine images 132 and a setting file 133 describing elements to be set when the virtual machine package is distributed and used.
- the analysis information collection unit 141 collects information on the dependency relationship between the target systems obtained from the setting information / program analysis unit 21 of the plurality of target systems 2.
- the collected information is input to the graph structure conversion unit 142, and the dependency relationship of the target system is converted into a graph structure represented by dots and lines.
- the contracted graph generation unit 143 groups the target systems by generating a contracted graph of the generated graph structure, and extracts virtual machine package candidates.
- the virtual machine package setting file generation unit 144 specifies the dependency relationship between the virtual machine packages based on the generated contracted graph, and describes setting elements for resolving the dependency relationship in the setting file.
- server identifier information for identifying each server is extracted for each server from a system file stored in each server. Specifically, host name, IP address, and MAC address information are extracted (2200).
- a setting file and an application source file are extracted from each server (2202).
- the server identifier information extracted in 2200 is extracted from the extracted configuration file and source file, and which configuration file and which server have a dependency relationship, and which application and which server have a dependency relationship. Extract (2204). Extraction is performed for each server, and dependency relationships are extracted until there are no remaining servers (2206). While there are remaining servers, the process is repeated from step 2202, and when all the servers are extracted, the process is completed (2208).
- the virtual machine package generation function 11 uses the virtual machine image generation function 12 to create a virtual machine image of the target system 2 (step 1000 in FIG. 5). Virtual machine images are generated for each target system, and virtual machine images are generated for each target system.
- the virtual machine image has the following two methods as a method for generating a virtual machine image from an existing system.
- the first method is a method of reconstructing a virtual machine having the same configuration as that of the target system from 1 using a virtualization function. Specifically, this is a method in which the administrator formulates the specifications of the virtual machine, and the administrator himself / herself creates a setting file in accordance with the specifications. The administrator needs to know the system construction in detail, and the man-hours required for construction are large.
- the second method a virtual machine that is a preset expandable virtual machine and that has a necessary setting file prepared is started in parallel with the physical server to be migrated to the virtual machine, and the physical server This is a method of copying data to a virtual machine. In this case, it is possible to reduce the man-hours of the administrator by extracting necessary information from the physical server.
- the virtual machine image generation function 12 installs all the data for generating the migration destination virtual machine in the migration side device and generates the migration destination virtual machine.
- the virtual machine image generation function 12 installs a boot image system, which is a startup file at the time of booting, on the migration source physical server and the migration destination virtual machine.
- Both the migration source physical server and the migration destination virtual machine are restarted, and the IP address is acquired from the DHCP server to which both are connected. Subsequently, the virtual machine image generation function 12 transfers a file from the migration source physical server to the migration destination virtual machine as a boot image.
- the migration destination virtual machine undergoes system changes including driver conversion.
- the boot image system is deleted and completed.
- the virtual machine package generation function 11 uses the virtual machine package setting file generation function 14 to generate a virtual machine package setting file (step 1001).
- the virtual machine package generation function 11 archives the virtual machine image and the virtual machine package setting file in an archive or a specific directory and creates a virtual machine package (step 1002).
- a file corresponding to a specific directory is generated, and the header includes a file name, a file mode, a file owner name, a file size, file modification time information, checksum information, and link information.
- the actual data is stored as one data together with its header.
- the tar command which is a UNIX (registered trademark) archive command, can be used instead.
- a compress, gzip, bzip2 command can also be used.
- the created virtual machine package is stored in a predetermined storage location (step 1003). Specifically, the virtual machine package data generated by the command is stored in a specific directory.
- FIG. 5 is a flowchart for explaining the operation of generating a virtual machine package setting file.
- the setting information program analysis unit 21 is used in the target system 2 to extract network settings and communication relationships of the OS and applications that operate in the target system (step 2000).
- An example of the analysis result in the case of having three target systems A, B, and C is shown in FIG.
- FIG. 7 shows that application A calls application B and application B calls application C.
- an analysis result is collected by the analysis information collection unit 141 (step 2001).
- the collected analysis results are input to the graph structure conversion unit 142, and the dependency relationship of the target system is converted into a graph structure (step 2002).
- the graph structure shown in FIG. 8 is obtained based on the calling relationship of applications.
- one system is defined as one node, one edge that connects nodes as one connection relationship between systems, and each system shown as a node shown in FIG. 6 is defined as an edge.
- This is a program that displays a graph abstracted as the connection shown.
- the contracted graph generation unit 143 generates a contracted graph in which nodes are contracted so as to reduce the number of edges (edges) (2003).
- the target system A and the target system B are contracted with respect to FIG. 8, and only the edges connecting the target system B and the target system C are left.
- the problem is solved using a heuristic technique for obtaining an approximate solution.
- an approximate solution is calculated from a subroutine using a heuristic technique.
- FIG. 9 A case where the contracted graph shown in FIG. 9 is obtained as an example of the contracted graph will be described.
- the target system A and the target system B are contracted and expressed as one point.
- the points of the generated contracted graph are handled as one virtual machine package, and the virtual machine package setting file generation unit 144 generates a virtual machine package setting file (2004).
- FIG. 1 An example of a virtual machine package setting file is shown in FIG.
- the setting file of the virtual machine package AB including the target system A and the target system B, each system is contracted and the IP address of the virtual machine package and the VLAN ID are set.
- setting items of an address and a port for communicating with the application C are added. This is a setting necessary for application B to communicate with application C.
- the dependency relationship of the target system for generating the virtual machine package is analyzed, a graph structure is created based on the analysis result, a reduced graph is generated so that the number of edges is reduced, and the virtual machine package is generated. Since the configuration file is generated by cutting out the candidates, the dependency between the virtual machine packages can be reduced.
- FIG. 11 shows the configuration of the virtual machine package setting file generation function 14 in the best mode for carrying out the second invention of the present invention.
- the virtual machine package setting file generation function is configured such that the graph structure conversion unit 142 refers to the network performance information storage unit 145 and weights the edges of the graph.
- the network performance information storage unit 145 stores information related to network performance between target systems (bandwidth, communication traffic statistics, etc.).
- FIG. 12 is a flowchart showing the operation of the best mode for carrying out the second invention of the present invention.
- the setting information program analysis unit 21 is used in the target system 2 to extract network settings and communication relationships of the operating system and applications that operate in the target system (step 3000).
- an analysis result is collected by the analysis information collecting unit 141 (step 3001).
- the collected analysis results are input to the graph structure conversion unit 142, and the dependency relationship of the target system is converted into a graph structure (step 3002).
- relative weighting is performed on the edges of the graph. For example, when there is network performance information as shown in FIG. 13, the edges are weighted as shown in FIG. Edge weighting is determined with reference to network performance information such as the network transfer rate. Furthermore, it may be performed based on the number of setting items.
- the contracted graph generation unit 143 performs graph contraction so as to minimize the edge weight (step 3004). An example of the generated contracted graph is shown in FIG. In order to minimize the weight, nodes having edges (sides) having a large weight are contracted.
- a virtual machine package setting file is generated (step 2005).
- the procedure for generating the entire virtual machine package is the same as the method shown in FIG.
- a graph edge is weighted based on network performance information, and the graph contraction is performed so as to minimize the edge weight.
- the load can be reduced.
- the amount of communication between the physical servers can be reduced.
- FIG. 16 shows the configuration of the virtual machine package setting file generation function of the best mode for carrying out the third invention of the present invention.
- the virtual machine package setting file generation function 14 is configured such that the graph structure conversion unit 142 refers to the server performance information storage unit 146 and weights the points of the graph.
- the contracted graph generation unit 143 is configured to refer to the physical server constraint storage unit 147 and contract the graph in accordance with the performance of the distribution destination physical server.
- the server performance information storage unit 146 stores information on the server performance of the target system (CPU usage rate, CPU specifications, memory capacity, memory usage, disk bandwidth, etc.).
- the physical server constraint storage unit stores performance information (number of operable virtual machines, CPU specifications, memory capacity, etc.) of the physical server to be distributed.
- FIG. 17 is a flowchart showing the operation of the best mode for carrying out the third invention of the present invention.
- the setting information program analysis unit 21 is used in the target system 2 to extract network settings and communication relationships of the OS and applications that operate in the target system (step 4000).
- an analysis result is collected by the analysis information collecting unit 141 (step 4001).
- the collected analysis results are input to the graph structure conversion unit 142, and the dependency relationship of the target system is converted into a graph structure (step 4002).
- relative weighting is performed on the points of the graph. For example, when there is server performance information as shown in FIG. 18, the points are weighted as shown in FIG. 19 (step 4003).
- the contracted graph generation unit 143 refers to the physical server constraint storage unit 147, and contracts the graph within a range in which the weight of each point does not become larger than the specified value (step 4004).
- the relative processing capacity of the distribution-destination physical machine is estimated to be 1.0, so that the weight of each point in the reduced graph is 1.0 or less. Perform graph reduction by range.
- An example of the generated contracted graph is shown in FIG.
- a virtual machine package setting file is generated (step 4005).
- the procedure for generating the entire virtual machine package is the same as the method shown in FIG.
- the points of the graph are weighted based on the performance information of the server, and the weights of the points of the reduced graph are limited based on the performance information of the physical server of the distribution destination. Since the contracted graph is generated, a virtual machine package that can be accommodated in one physical server can be generated. When the virtual machine package fits in the physical server, the dependency in the virtual machine package does not need to be considered at the time of distribution, so that the virtual machine package can be easily distributed.
- Target system shows an example in which the Web application system shown in FIG. 22 is divided and stored as a virtual machine package.
- Target system consists of two Web application systems. Both web application systems accept requests from clients via the load balancer 500.
- the line between each server represents the server calling relationship.
- the Web server 501 calls an AP (application) server 505, and the AP server 505 calls a DB server 507.
- the virtual machine image generation function 12 generates a virtual machine image of each server constituting the Web application system. Assuming that the load balancer is also realized as a software load balancer, a virtual machine image is generated.
- each server is represented by a point, and the dependency between servers is represented by an edge.
- points are weighted based on the processing amount of each server. For example, the processing amount of each server is relatively evaluated based on the maximum value of the CPU usage rate for the past month. A graph after weighting the points is shown in FIG.
- the size of the virtual machine package is limited to a certain amount. Specifically, the contraction is performed so that the weight of each point of the contract graph is 1.0 or less.
- the problem can be formulated as a bin packing problem in which each virtual machine is packed in a virtual machine package, and an approximate solution can be obtained by an approximation algorithm called First-Fit reduction algorithm.
- FIG. 25 shows a flowchart for dividing the target system by the minimum number of packages using the First-Fit reduction algorithm without considering the dependency.
- each device is weighted.
- file server 0.6
- DB server 0.5
- AP server 2 0.4
- AP server 1 0.4
- Web server 3 0.4
- Web server 4 0.4
- AP server 3 0.3
- Web server 2 0.3
- Web server 1 0.3
- Load balancer 0.2 ing.
- the virtual machine image generation function 12 sorts these devices in the order of their weight values (contracted values) (5000).
- the process transitions to step 5002 again. If there is no device with the largest contracted value, there is no device to be divided, and the virtual package dividing step is completed (5010). On the other hand, if there is a device with the largest contracted value, it is determined whether or not there is a virtual package that accommodates the device with the largest contracted value among the currently existing virtual packages (5004).
- the maximum contractible value of the virtual package is set to 1.0. A plurality of devices are already stored in the virtual package, and the value obtained by subtracting the sum of the contracted values of the stored devices from the maximum retractable value of 1.0 is larger than the maximum contracted value of the current contracted value. If it is larger, it can be stored, and the device with the maximum current contraction value is stored in the existing virtual package (5008). Therefore, the process transitions to step 5002 again.
- FIG. 26 shows a result of cutting out virtual machine package candidates by applying the First-Fit reduction algorithm.
- the number of virtual machine packages is 4 and the minimum value is achieved. At this time, the dependency between virtual machine packages, that is, the number of sides is 9.
- the target Web application system can be reproduced in a different environment using the virtual machine image and the virtual machine package setting file.
- the setting work at the time of virtual machine package distribution can be reduced.
- the virtual machine package is arranged on one physical server, the network load between the physical servers is reduced due to less dependency between the virtual machine packages.
- FIG. 29 shows a configuration and a setting file when the generated virtual machine package is distributed and reproduced in a 172.16.0.0/24 network system.
- the IP address and VLAN ID of the virtual machine package are changed according to the distribution target system. It is necessary to change the settings related to application communication as the address changes. Communication within the virtual machine package can be realized without changing the address by a virtual switch provided by the virtualization function.
- the virtual switch is configured with NAT settings and VLAN ID settings to match the distribution target system.
- Example 2 in the first embodiment, in the method of dividing the target system with the minimum number of packages, the virtual package is divided under a condition that the weight of each point of the reduced graph is 1.0 or less.
- FIG. 30 shows a flowchart for dividing the target system into virtual packages when the weighting is set to a predetermined value or less.
- the First-Fit reduction algorithm can be applied and divided into virtual machine packages with arbitrary weighting. All of the values of A can be fixed values, and can be changed for each package.
- the present invention can be applied to an application such as disaster recovery in which a broken system is reproduced at another place in a large-scale disaster.
- the system constructed in a test environment can be used for the purpose of shifting to a real environment as it is.
- system construction After system construction, it can be applied to applications such as system construction in a new environment based on examples of systems for which stable operation has been confirmed.
- the present invention relates to a virtual machine package generation system, a virtual machine package generation method, and a virtual machine package generation program, and in particular, when generating a plurality of virtual machine packages from a built system, the dependency relationship between virtual machine packages is determined.
- Reduced and highly reusable virtual machine package generation system that can generate virtual machine package generation method, virtual machine package generation method, and virtual machine package generation program It is possible and there is no limitation on the possibility of its use.
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Abstract
Description
その理由は、分散システムから仮想マシンパッケージに分割する際に、多くの仮想マシンパッケージ間の依存関係が残るため、配布先の環境に合わせて依存関係を解決するための設定作業が必要となるためである。
その理由は、仮想マシンパッケージ間の依存関係を削減できるため、配布先のシステム環境に合わせて設定変更を行わなければならない箇所を削減でき、設定作業時間を短縮できるためである。
その理由は、仮想マシンパッケージ間の依存関係を削減できるため、配布先のネットワークを介して通信する処理が削減されるためである。
2 対象システム
11 仮想マシンパッケージ生成機能
12 仮想マシンイメージ生成機能
13 仮想マシンパッケージ格納部
14 仮想マシンパッケージ設定ファイル生成機能
21 設定情報・プログラム解析部
22 アプリケーションプログラム(アプリケーション)
23 オペレーティングシステム(OS)
131 仮想マシンパッケージ
132 仮想マシンイメージ
133 設定ファイル
141 解析情報収集部
142 グラフ構造変換部
143 縮約グラフ生成部
144 仮想マシンパッケージ設定ファイル生成部
145 ネットワーク性能情報格納部
146 サーバ性能情報格納部
147 物理サーバ制約格納部
500 ロードバランサ
501 Webサーバ
505 APサーバ
505 APサーバ
507 DBサーバ
まず、対象システム2で設定情報プログラム解析部21を利用して、対象システムで動作するオペレーティングシステムやアプリケーションのネットワーク設定や通信関係を抽出する(ステップ3000)。
はじめに、対象システム2で設定情報プログラム解析部21を利用して、対象システムで動作するOSやアプリケーションのネットワーク設定や通信関係を抽出する(ステップ4000)。
次に、具体的な実施例を用いて本発明を実施するための最良の形態の動作を説明する。
ここで、実施例1では最小のパッケージ数で対象システムを分割する手法において、縮約グラフの各点の重みが1.0以下となるように規定した条件で仮想パッケージを分割した。
Claims (18)
- 対象とするコンピュータシステムの構成と接続関係から仮想マシンイメージを生成する仮想マシンイメージ生成機能と、
対象とするコンピュータシステム間の依存関係を解析して仮想マシンパッケージの設定ファイルを生成する仮想マシンパッケージ設定ファイル生成機能と、
仮想マシンイメージと仮想マシンパッケージ設定ファイルを仮想マシンパッケージとして格納する仮想マシンパッケージ生成機能とからなり、
対象とするコンピュータシステムから仮想マシンイメージを生成してコンピュータシステム間の依存関係より定まる最適な仮想マシンパッケージを生成してコンピュータシステムに前記仮想マシンパッケージを格納する仮想マシンパッケージ生成システム。 - 前記仮想マシンパッケージ設定ファイル生成機能は、
対象とするコンピュータシステムの設定情報やプログラムを解析した結果を収集する解析情報収集部と、
解析した結果から、コンピュータシステム間の依存関係をグラフ構造に変換するグラフ構造変換部と、
グラフ構造を変換して縮約グラフを生成する縮約グラフ生成部と、
縮約グラフに基づいて仮想マシンパッケージの候補を決定し、仮想マシンパッケージの設定要素を設定ファイルとして書き出す仮想マシンパッケージ設定ファイル生成部を含む請求項1記載の仮想マシンパッケージ生成システム。 - 前記仮想マシンパッケージ設定ファイル生成機能は、対象とするシステムのネットワークの性能情報を格納するネットワーク性能情報格納部を含み、ネットワーク性能情報を参照してグラフの辺に重み付けを行うグラフ構造変換部を含むことを特徴とする請求項2に記載の仮想マシンパッケージ生成システム。
- 前記仮想マシンパッケージ設定ファイル生成機能は、対象とするコンピュータシステムの性能情報を格納するサーバ性能情報格納部と、仮想マシンパッケージを配布する先のコンピュータシステムの性能情報を格納する物理サーバ制約格納部とを備え、サーバ性能情報格納部を参照してグラフの点に重み付けを行うグラフ構造変換部と、物理サーバ制約格納部を参照して、縮約グラフの点の重みに制限を設けて縮約グラフを生成する縮約グラフ生成部を備えることを特徴とする請求項2乃至3いずれか一つに記載の仮想マシンパッケージ生成システム。
- 前記縮約グラフの点の重みが一定値とすることで縮約グラフを生成する縮約グラフ生成部することで仮想パッケージを分割させる請求項4記載の仮想マシンパッケージ生成システム。
- 前記縮約グラフの点の重みがパッケージ毎に変更することとすることで縮約グラフを生成する縮約グラフ生成部することで仮想パッケージを分割させる請求項4記載の仮想マシンパッケージ生成システム。
- 対象とするコンピュータシステムの構成と接続関係から仮想マシンイメージを生成し、対象とするコンピュータシステム間の依存関係を解析して仮想マシンパッケージの設定ファイルを生成し、仮想マシンイメージと仮想マシンパッケージ設定ファイルを仮想マシンパッケージとして格納することを特徴とする仮想マシンパッケージ生成方法。
- 仮想マシンパッケージ設定ファイルの生成に際して、対象とするコンピュータシステムの設定情報やプログラムを解析した結果を収集し、解析した結果から、コンピュータシステム間の依存関係をグラフ構造に変換し、グラフの縮約によって仮想マシンパッケージの候補を抽出し、仮想マシンパッケージ間の依存関係を設定ファイルとして書き出すことを特徴とする請求項7に記載の仮想マシンパッケージ生成方法。
- 前記仮想マシンパッケージ設定ファイル生成方法は、さらに、対象とするシステムのネットワークの性能情報を格納するネットワーク性能情報格納部を参照し、グラフの点に重みづけを行ってグラフ構造を生成することを特徴とする請求項8記載の仮想マシンパッケージ生成方法。
- 前記仮想マシンパッケージ設定ファイル生成方法は、さらに、対象とするコンピュータシステムの性能情報を参照し、グラフの点に重み付けを行ってグラフ構造を生成し、仮想マシンパッケージを配布する先のコンピュータシステムの性能情報を参照し、縮約グラフの点の重みに制限を設けて縮約グラフを生成して仮想マシンパッケージの候補を抽出することを特徴とする請求項8または9記載の仮想マシンパッケージ生成方法。
- 前記縮約グラフの点の重みが一定値とすることで縮約グラフを生成する縮約グラフ生成部することで仮想パッケージを分割させる請求項10記載の仮想マシンパッケージ生成方法。
- 前記縮約グラフの点の重みがパッケージ毎に変更することとすることで縮約グラフを生成する縮約グラフ生成部することで仮想パッケージを分割させる請求項10記載の仮想マシンパッケージ生成方法。
- 対象とするコンピュータシステムの構成と接続関係から仮想マシンイメージを生成する処理と、対象とするコンピュータシステム間の依存関係を解析して仮想マシンパッケージの設定ファイルを生成する処理と、仮想マシンイメージと仮想マシンパッケージ設定ファイルを仮想マシンパッケージとして格納する処理とをコンピュータに実行させるためのプログラム。
- 仮想マシンパッケージ設定ファイルの生成に際して、対象とするコンピュータシステムの設定情報やプログラムを解析した結果を収集する処理と、解析した結果から、コンピュータシステム間の依存関係をグラフ構造に変換する処理と、グラフの縮約によって仮想マシンパッケージの候補を抽出する処理と、仮想マシンパッケージ間の依存関係を設定ファイルとして書き出す処理とをコンピュータに実行させることを特徴とする請求項13記載の仮想マシンパッケージ生成プログラム。
- 仮想マシンパッケージ設定ファイル生成に際し、さらに、対象とするシステムのネットワークの性能情報を格納するネットワーク性能情報格納部を参照する処理と、グラフの点に重みづけを行ってグラフ構造を生成する処理とをコンピュータに実行させることを特徴とする請求項14記載の仮想マシンパッケージ生成プログラム。
- 仮想マシンパッケージ設定ファイル生成に際し、さらに、対象とするコンピュータシステムの性能情報を参照する処理と、グラフの点に重み付けを行ってグラフ構造を生成する処理と、仮想マシンパッケージを配布する先のコンピュータシステムの性能情報を参照する処理と、縮約グラフの点の重みに制限を設けて縮約グラフを生成して仮想マシンパッケージの候補を抽出する処理とをコンピュータに実行させることを特徴とする請求項14または15記載の仮想マシンパッケージ生成プログラム。
- 前記縮約グラフの点の重みが一定値とすることで縮約グラフを生成する縮約グラフ生成部することで仮想パッケージを分割させる請求項16記載の仮想マシンパッケージ生成プログラム。
- 前記縮約グラフの点の重みがパッケージ毎に変更することとすることで縮約グラフを生成する縮約グラフ生成部することで仮想パッケージを分割させる請求項16記載の仮想マシンパッケージ生成プログラム。
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