Method and apparatus for managing faults in storage system having job management function
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Abstract
A computer system identifies jobs affected by a fault which occurs in any device or mechanism in a storage system to control the execution of such jobs. The computer system includes a DBMS server device, a virtualization switch device, and storage device. Each of these devices holds part of data mapping information on a data mapping path from a particular DB table accessed by a job, through a logical volume for storing the table, to physical disk units for distributively storing data on the volume. The management server device acquires the part of data mapping information from each device, and integrates the data mapping information on a job-by-job basis. When any device or mechanism fails on the data mapping path, the management server device identifies jobs affected by the fault with reference to the data mapping information. The management server device also controls the execution of these jobs.
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Citations
14 Claims
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1-6. -6. (canceled)
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7. A server computer for identifying a job which is affected by a fault at a location existing on a data mapping path in a computer system having a computing device for executing jobs and a storage device including a plurality of physical disk units, said data mapping path comprising a particular table on a database accessed by a particular job, a file for storing said table, a logical volume for storing said file, and said physical disk units for distributively storing data on said volume, based on data mapping information related to said data mapping path, said data mapping information including an identifier of an interface situated on said data mapping path for interfacing one device to another, said server computer comprising:
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means for collecting part of said data mapping information from each of devices which hold corresponding information on said data mapping path from said job to said physical disk units through said table, said file, and said volume;
means for integrating said data mapping information on a job-by-job basis for storage in a management table; and
means for identifying a job affected by a fault with reference to said management table for displaying the affected job upon receipt of a fault report about any of said physical disk units from said storage device. - View Dependent Claims (8, 9)
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10. The server computer for identifying a job which is affected by a fault at a location existing on a data mapping path, in a computer system having a computing device for executing jobs and a storage device including a plurality of physical disk units, said data mapping path comprising a particular table on a database accessed by a particular job, a file for storing said table, a logical volume for storing said file, and said physical disk units for distributively storing data on said volume, based on data mapping information related to said data mapping path, said data mapping information including correspondence relationships between identifiers for said job, said table, said file, said volume, and said physical disk units, and an identifier of an interface situated on said data mapping path for interfacing one device to another, said server computer comprising:
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means for collecting part of said data mapping information from each of devices which hold the part of said data mapping information;
means for integrating said data mapping information on a job-by-job basis for storage in a management table; and
means for identifying a job affected by a fault with reference to said management table for displaying the affected job upon receipt of a fault report about a location existing on said data mapping path, said location having an identifier stored in said management table. - View Dependent Claims (11, 12, 13)
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14-20. -20. (canceled)
Specification