JP2011258119A5

JP2011258119A5 -

Info

Publication number: JP2011258119A5
Application number: JP2010134051A
Authority: JP
Filing date: 2010-06-11
Publication date: 2012-09-27
Anticipated expiration: 2030-06-11

Description

本発明は、プロセッサとメモリを含む計算機資源を備えた物理計算機と、前記計算機資源を仮想化して複数の仮想計算機に割り当てる仮想化部と、前記複数の仮想計算機でクラスタを構成し、前記仮想化部を管理する管理部と、を有する計算機システムのクラスタ構成管理方法であって、前記管理部が、前記クラスタに対する所定時間後の負荷情報の予測値を演算する第１のステップと、前記管理部が、前記クラスタを構成する前記仮想計算機の現在の計算機資源の割り当て量と、所定時間後の計算機資源の割り当て量とを保持する第２のステップと、前記管理部が、前記クラスタの構成を変更するために利用可能な計算機資源の変更手段を保持する第３のステップと、前記管理部が、前記クラスタを構成する前記仮想計算機に割り当てた現在の計算機資源の割り当て量と、前記負荷情報の予測値と、から前記変更手段の組み合わせを選択し、前記選択された現在の変更手段の組み合わせで、前記負荷情報の予測値を処理可能であるか否かを判定し、前記選択された変更手段の組み合わせでは前記負荷情報の予測値を処理できないと判定された場合に、前記変更手段の組み合わせまたは実行予定時刻を更新する第４のステップと、前記管理部が、前記実行予定時刻に到達した変更手段を前記仮想化部に通知して実行させる第５のステップと、を含む。 The present invention provides a physical computer having computer resources including a processor and a memory, a virtualization unit that virtualizes the computer resources and assigns the computer resources to a plurality of virtual computers, and a cluster comprising the plurality of virtual computers, and the virtualization A cluster configuration management method for a computer system, comprising: a management unit that manages a management unit, wherein the management unit calculates a predicted value of load information after a predetermined time for the cluster; and the management unit A second step of holding a current computer resource allocation amount of the virtual computer constituting the cluster and a computer resource allocation amount after a predetermined time, and the management unit changes the configuration of the cluster A third step of holding a computer resource changing means available for use, and the management unit assigning to the virtual machine constituting the cluster And quotas computer resources, select the combination of the changing means from the predicted value of the load information, a combination of the current changing means said selected either can process a prediction value of the load information A fourth step of updating the combination of change means or the scheduled execution time when it is determined that the predicted value of the load information cannot be processed by the selected combination of change means; And a management unit that notifies the virtualization unit of the change means that has reached the scheduled execution time and executes the fifth step.

Claims

A physical computer having a computer resource including a processor and a memory, a virtualization unit that virtualizes the computer resource and assigns the computer resource to a plurality of virtual computers, a cluster is formed by the plurality of virtual computers, and the virtualization unit is managed A cluster configuration management method for a computer system having a management unit,
A first step in which the management unit calculates a predicted value of load information after a predetermined time for the cluster;
A second step in which the management unit holds a current computer resource allocation amount of the virtual machines constituting the cluster and a computer resource allocation amount after a predetermined time;
A third step in which the management unit holds a computer resource changing unit that can be used to change the configuration of the cluster;
The management unit selects the combination of the changing means from the current computer resource allocation amount allocated to the virtual machines constituting the cluster and the predicted value of the load information, and the selected current change It is determined whether or not the predicted value of the load information can be processed by a combination of means, and the change is determined when it is determined that the predicted value of the load information cannot be processed by the selected combination of changing means A fourth step of updating the combination of means or the scheduled execution time;
A fifth step in which the management unit notifies the virtualization unit of the change means that has reached the scheduled execution time;
A cluster configuration management method comprising:

The cluster configuration management method according to claim 1,
The fourth step includes
Selecting a plurality of combinations of the changing means;
Calculating a predetermined index for each combination of the selected changing means;
Selecting a combination of changing means that maximizes the index;
A cluster configuration management method comprising:

The cluster configuration management method according to claim 2,
The step of calculating the index includes:
From the combination of the length of the period during which the predicted value of the load information can be processed, the allocated amount of computer resources used by the changing unit, and the cost for executing the changing unit when the changing unit is applied cluster configuration management method characterized by calculating the index.

The cluster configuration management method according to claim 3,
The cost, cluster configuration management method, characterized in that from the start of the change means a time until the execution completion.

The cluster configuration management method according to claim 3,
The cost, cluster configuration management method, characterized in that the number of said changing means.

The cluster configuration management method according to claim 1,
The fourth step includes
It is determined whether or not the predicted value of the load information can be processed with the combination of the selected current changing means, and it is determined that the predicted value of the load information cannot be processed with the combination of the current changing means. When the estimated execution time is advanced by a predetermined time, it is determined whether or not the predicted value of the load information can be processed, and the predicted value of the load information is determined to be processable. cluster configuration management method and updates by advancing the scheduled execution time for a predetermined time.

The cluster configuration management method according to claim 1 ,
The fourth step includes
It is determined whether or not the predicted value of the load information can be processed with the combination of the selected current changing means, and it is determined that the predicted value of the load information cannot be processed with the combination of the current changing means. If it is determined that the predicted value of the load information can be processed when the scheduled execution time is advanced by a predetermined time, and if it is determined that the predicted value of the load information cannot be processed, cluster configuration management method characterized by setting a new combination with the scheduled execution time of the changing means.

A management device that operates a plurality of virtual machines with a physical computer having a virtualization unit that virtualizes computer resources, configures a cluster with the plurality of virtual machines, and manages the cluster with a processor and a memory,
  A load prediction unit that calculates a predicted value of load information after a predetermined time for the cluster;
  A resource management unit that holds a current computer resource allocation amount of the virtual computer constituting the cluster and a computer resource allocation amount after a predetermined time;
  A resource changing unit for holding computer resource changing means usable for changing the configuration of the cluster;
  From the allocation amount of the current computer resources allocated to the virtual computer constituting the cluster and the predicted value of the load information, the combination of the change means is selected, and the combination of the selected current change means, It is determined whether or not the predicted value of the load information can be processed, and when it is determined that the predicted value of the load information cannot be processed with the combination of the selected change means, the combination or execution of the change means A control unit for updating the scheduled time;
  An execution unit that notifies the virtualization unit of the change means that has reached the scheduled execution time;
A management apparatus comprising:

A program for controlling a cluster composed of a plurality of virtual machines by a computer having a processor and a memory,
  A first procedure for calculating a predicted value of load information after a predetermined time for the cluster;
  A second procedure for holding a current computer resource allocation amount of the virtual computers constituting the cluster and a computer resource allocation amount after a predetermined time;
  A third procedure for retaining computer resource changing means available for changing the cluster configuration;
  From the allocation amount of the current computer resources allocated to the virtual computer constituting the cluster and the predicted value of the load information, the combination of the change means is selected, and the combination of the selected current change means, It is determined whether or not the predicted value of the load information can be processed, and when it is determined that the predicted value of the load information cannot be processed with the combination of the selected change means, the combination or execution of the change means A fourth procedure for updating the scheduled time;
  A fifth procedure in which the management unit notifies the virtualization unit of the changing means that has reached the scheduled execution time;
Is executed by the computer.