System management method, management computer, and non-transitory computer-readable storage medium

A management computer coupled to a computer system including a plurality of computers,

• the management computer comprising:
• a first processor;
• a first memory coupled to the first processor;
• and
• a first interface coupled to the first processor,
• each of the plurality of computers including:
• a second processor;
• a second memory coupled to the second processor;
• and
• a second interface coupled to the second processor,
• an operations system being built thereon the computer system,
• the operations system including a plurality of task nodes each having allocated thereto one of computer resources of one computer among the plurality of computers and computer resources of a virtual computer generated on at least one computer among the plurality of computers,
• the management computer comprising:
• a weighting calculation module configured to analyze a configuration of the computer system, to thereby calculate a first weighting representing an importance level of each of the plurality of task nodes, and to specify at least one important node, which is an important task node in the operations system, based on the first weighting;
• a measurement module configured to change an allocation amount of the computer resources allocated to the at least one important node and measure a load of the operations system;
• and
• an estimation module configured to calculate a second weighting representing a strength of associations among the plurality of task nodes based on a measurement result of the load, and specify a range impacted by a change in the load of the at least one important node based on the calculated second weighting;
• wherein the management computer stores:
• topology management information for managing an apparatus configuration of each of the plurality of computers and a coupling configuration of the plurality of computers;
• logical configuration management information for managing an apparatus configuration of a plurality of virtual computers and a coupling configuration of the plurality of virtual computers;
• and
• node management information for managing a connection configuration of the plurality of task nodes, and, a correspondence relationship of the one computer and the virtual computer allocating the computer resources to each of the plurality of task nodes,
• wherein the topology management information includes a first eigen value representing an importance level of a physical configuration in the computer system, the first eigen value being set based on the apparatus configuration of each of the plurality of computers and the coupling configuration of each of the plurality of computers,
• wherein the logical configuration management information includes a second eigen value representing an importance level of a logical configuration in the computer system, the second eigen value being set based on the apparatus configuration of the plurality of virtual computers and the coupling relationship of each of the plurality of virtual computers, and
• wherein the weighting calculation module is configured to:
• refer to the node management information for specifying, for each of the plurality of task nodes, the one computer and the virtual computer allocating the computer resources to the each of the plurality of task nodes;
• refer, for a task node to be allocated with the computer resources of the one computer, to the topology management information for obtaining the at least one first eigen value associated with the one computer allocating the computer resources to the task node, and calculate the first weighting based on the at least one first eigen value;
• refer, for a task node to be allocated with the computer resources of the virtual computer, to the logical configuration management information for obtaining the at least one second eigen value associated with the virtual computer allocating the computer resources to the task node, refer to the logical configuration management information and the topology management information for obtaining the at least one first eigen value associated with a computer generated by the virtual computer allocating the computer resources to the task node, and calculate the first weighting based on the at least one first eigen value and the at least one second eigen value;
• specify at least one of the important nodes from among the plurality of task nodes based on the second weighting of each of the plurality of task nodes;
• wherein the measurement module is configured to:
• select one important node to be processed from among the at least one important node;
• and
• change the allocation amount of the computer resources to be allocated to the important node to be processed for measuring the load of each of the plurality of task nodes.

A non-transitory computer-readable storage medium having stored thereon a program to be executed by a management computer coupled to a computer system,

• the management computer including:
• a first processor;
• a first memory coupled to the first processor;
• and
• a first interface coupled to the first processor,
• the computer system including a plurality of computers,
• each of the plurality of computers including:
• a second processor;
• a second memory coupled to the second processor;
• and
• a second interface coupled to the second processor,
• an operations system being built thereon the computer system,
• the operations system including a plurality of task nodes each having allocated thereto one of computer resources of one computer among the plurality of computers and computer resources of a virtual computer generated on at least one computer among the plurality of computers,
• the non-transitory computer-readable storage medium having stored thereon a program for controlling the management computer to execute:
• a first procedure of analyzing a configuration of the computer system for specifying at least one important node, which is an important task node in the operations system;
• a second procedure of changing an allocation amount of the computer resources allocated to the at least one important node for measuring a load of the operations system;
• a third procedure of calculating a first weighting representing a strength of associations among the plurality of task nodes based on a measurement result of the load;
• and
• a fourth procedure of specifying a range impacted by a change in the load of the at least one important node based on the calculated first weighting;
• wherein the management computer stores:
• topology management information for managing an apparatus configuration of each of the plurality of computers and a coupling configuration of the plurality of computers;
• logical configuration management information for managing an apparatus configuration of a plurality of virtual computers and a coupling configuration of the plurality of virtual computers;
• and
• node management information for managing a connection configuration of the plurality of task nodes, and, a correspondence relationship of the one computer and the virtual computer allocating the computer resources to each of the plurality of task nodes,
• wherein the topology management information includes a first eigen value representing an importance level of a physical configuration in the computer system, the first eigen value being set based on the apparatus configuration of each of the plurality of computers and the coupling configuration of each of the plurality of computers,
• wherein the logical configuration management information includes a second eigen value representing an importance level of a logical configuration in the computer system, the second eigen value being set based on the apparatus configuration of the plurality of virtual computers and the coupling relationship of each of the plurality of virtual computers, and
• wherein the first procedure includes the procedures of:
• referring to the node management information for specifying, for each of the plurality of task nodes, the one computer and the virtual computer allocating the computer resources to the each of the plurality of task nodes;
• referring, for a task node to be allocated with the computer resources of the one computer, to the topology management information for obtaining the at least one first eigen value associated with the one computer allocating the computer resources to the task node and, calculating a second weighting representing an importance level of the task node to be allocated with the computer resources of the one computer based on the at least one first eigen value;
• referring, for a task node to be allocated with the computer resources of the virtual computer, to the logical configuration management information for obtaining the at least one second eigen value associated with the virtual computer allocating the computer resources to the task node, referring to the logical configuration management information and the topology management information for obtaining the at least one first eigen value associated with a computer generated by the virtual computer allocating the computer resources to the task node, and calculating the second weighting based on the at least one first eigen value and the at least one second eigen value;
• specifying at least one of the important nodes from among the plurality of task nodes based on the second weighting of each of the plurality of task nodes;
• wherein the second procedure includes the procedures of:
• selecting one important node to be processed from among the at least one important node;
• and
• changing the allocation amount of the computer resources to be allocated to the important node to be processed for measuring the load of each the plurality of task nodes.