APPARATUS AND METHOD FOR MANAGING NETWORK SYSTEM

• US 20110173500A1
• Filed: 01/05/2011
• Published: 07/14/2011
• Est. Priority Date: 01/12/2010
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Wada, Yuji, Sekiguchi, Atsuji, SONODA, Masataka
• Granted Patent: US 8,769,339 B2
• Time in Patent Office: Days
• US Class Current: 714/37
• CPC Class Codes: H04L 41/064 involving time analysis

Abstract

An apparatus for managing a network system including a plurality of components, the apparatus includes a memory that stores component type data of each component of the plurality of components, component relation data including relation information indicating a pair of components related to each other in the network system and error history data including error information of respective error components in the plurality of components. The apparatus includes a processor that executes a procedure including extracting a pair of component type data as a relation class candidate on the basis of the component type data of a pair of error components indicated by the error information in the error history data, the pair of error components being indicated by the relation information.

Claims

1. An apparatus for managing a network system including a plurality of components, the apparatus comprising:

a memory that stores component type data of each component of the plurality of components, component relation data including relation information indicating a pair of components related to each other in the network system and error history data including error information of respective error components in the plurality of components; and

a processor that executes a procedure including extracting a pair of component type data as a relation class candidate on the basis of the component type data of a pair of error components indicated by the error information in the error history data, the pair of error components being indicated by the relation information.

2. The apparatus according to claim 1, wherein the procedure further includes

counting, for each combination of the pair of component type data, an appearance number of the relation class candidates including the identical combination of the pair of component type data to the each combination;

and

determining a relation class from among the relation class candidates on the basis of the counted appearance numbers, the relation class being used for selecting a failure component causing errors from the plurality of components in the network system.

3. The apparatus according to claim 1, wherein the network system is a virtual network system and the each of the plurality of components is a physical machine, a virtual machine or a service.

4. The apparatus according to claim 2, wherein

the error information includes a timestamp,

a time period between times indicated by the timestamps in the error information of the pair of error components is less than a predetermined time,

the relation information related to the pair of error components includes a first component type data of a first component requesting a process of the component and a second component type data of a second component accepting a request of the process requested by the first component, and

the extracting includes extracting the pair of component type data on the basis of the first component type data and the second component type data.

5. The apparatus according to claim 4, wherein

the procedure further includes generating investigation information that specifies failure component type data on the basis of the component type data of the pair of error components, the relation information related to the pair of the error components, the error history information related to the pair of the error components and a history of previous investigations including component type data of a previous error component and a previous failure component causing a previous error of the previous error component,

the investigation information corresponding to the relation class including a pair of the first component type data and the second component type data.

6. The apparatus according to claim 5, wherein the procedure further includes

determining a relation class of a relation among the plurality of components on the basis of the component type data of the each component and the relation information including the each component;

determining an investigation range for each component having an error on the basis of the investigation information, the investigation range being a set of the components to be investigated; and

selecting, as a candidate for the failure component, a component on the basis of an appearance frequency of the each component in the investigation ranges.

7. A method for managing a network system including a plurality of components, the method comprising:

obtaining component type data of each component of the plurality of components, component relation data including relation information indicating a pair of components related to each other in the network system and error history data including error information of respective error components in the plurality of components; and

extracting, by a computer, a pair of component type data as a relation class candidate on the basis of the component type data of a pair of error components indicated by the error information in the error history data, the pair of error components being indicated by the relation information.

8. The method according to claim 7, further comprising:

counting, for each combination of the pair of component type data, an appearance number of the relation class candidates including the identical combination of the pair of component type data to the each combination; and

determining a relation class from among the relation class candidates on the basis of the counted appearance numbers, the relation class being used for selecting a failure component causing errors from the plurality of components in the network system.

9. The method according to claim 8, wherein

the error information includes a timestamp,

a time period between times indicated by the timestamps in the error information of the pair of error components is less than a predetermined time,

the relation information related to the pair of error components includes a first component type data of a first component requesting a process of the component and a second component type data of a second component accepting a request of the process requested by the first component, and

the extracting includes extracting the pair of component type data on the basis of the first component type data and the second component type data.

10. The method according to claim 9, further comprising:

generating investigation information that specifies failure component type data on the basis of the component type data of the pair of error components, the relation information related to the pair of the error components, the error history information related to the pair of the error components and a history of previous investigations including component type data of a previous error component and a previous failure component causing a previous error of the previous error component,

the investigation information corresponding to the relation class including a pair of the first component type data and the second component type data.

11. The method according to claim 9, further comprising:

determining a relation class of a relation among the plurality of components on the basis of the component type data of the each component and the relation information including the each component;

determining an investigation range for each component having an error on the basis of the investigation information, the investigation range being a set of the components to be investigated; and

selecting, as a candidate for the failure component, a component on the basis of an appearance frequency of the each component in the investigation ranges.

12. A computer-readable, non-transitory medium storing a program for managing a network system including a plurality of components, the program causing a computer to execute a procedure, the procedure comprising:

obtaining component type data of each component of the plurality of components, component relation data including relation information indicating a pair of components related to each other in the network system and error history data including error information of respective error components in the plurality of components; and

extracting a pair of component type data as a relation class candidate on the basis of the component type data of a pair of error components indicated by the error information in the error history data, the pair of error components being indicated by the relation information.

13. The computer-readable, non-transitory medium according to claim 12, wherein the procedure further comprises

counting, for each combination of the pair of component type data, an appearance number of the relation class candidates including the identical combination of the pair of component type data to the each combination;

and

determining a relation class from among the relation class candidates on the basis of the counted appearance numbers, the relation class being used for selecting a failure component causing errors from the plurality of components in the network system.

14. The computer-readable, non-transitory medium according to claim 13, wherein

the error information includes a timestamp,

a time period between times indicated by the timestamps in the error information of the pair of error components is less than a predetermined time,

the relation information related to the pair of error components includes a first component type data of a first component requesting a process of the component and a second component type data of a second component accepting a request of the process requested by the first component, and

the extracting includes extracting the pair of component type data on the basis of the first component type data and the second component type data.

15. The computer-readable, non-transitory medium according to claim 14, wherein the procedure further comprises generating investigation information that specifies failure component type data on the basis of the component type data of the pair of error components, the relation information related to the pair of the error components, the error history data related to the pair of the error components and a history of previous investigations including component type data of a previous error component and a previous failure component causing a previous error of the previous error component,

the investigation information corresponding to the relation class including a pair of the first component type data and the second component type data.

16. The computer-readable, non-transitory medium according to claim 15, wherein the procedure further comprises

determining a relation class of a relation among the plurality of components on the basis of the component type data of the each component and the relation information of the each component;

determining an investigation range for each component having an error on the basis of the investigation information, the investigation range being a set of the components to be investigated; and

selecting, as a candidate for the failure component, a component on the basis of an appearance frequency of the each component in the investigation ranges.