Data management system and data management method
First Claim
1. A data management system comprising:
- a host apparatus receiving requests from a client apparatus;
a first storage apparatus having a first volume for storing a file system composed of a set of files;
a second storage apparatus having a second volume; and
a file system transfer apparatus for transferring the file system from the first volume of the first storage apparatus to the second volume of the second storage apparatus, when the set of files in the file system has not been accessed for a predetermined period of time,wherein the host apparatus has location information and file system transfer information, the location information is managed in file units and includes an identifier of each file and an identifier of the file system to which the file belongs, and the file system transfer information is managed in file system units and indicates the transfer before and after transfer for the file system and storage location of the file system,wherein when the file system transfer apparatus migrates the file system, the file system transfer apparatus sends a notice of the transfer to the host apparatus, the host apparatus updates the file system transfer information in response to receiving the notice of the transfer, the host apparatus accesses the file in the file system using the location information and the updated file system transfer information.
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Accused Products
Abstract
A file system transfer designation section for transferring the file system matching with file system transfer rules from the first volume of the first storage apparatus to the second volume of the second storage apparatus based on the first file system transfer rules, a file system storage information manager for updating storage information of the file system in accordance with transfer of the file system by the file system transfer designation section, and transmitting the updated file system storage information, and a search information manager for updating search information for searching the files based on a file search request from the client apparatus using the file system storage information sent by the file system storage information manager are provided.
19 Citations
18 Claims
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1. A data management system comprising:
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a host apparatus receiving requests from a client apparatus; a first storage apparatus having a first volume for storing a file system composed of a set of files; a second storage apparatus having a second volume; and a file system transfer apparatus for transferring the file system from the first volume of the first storage apparatus to the second volume of the second storage apparatus, when the set of files in the file system has not been accessed for a predetermined period of time, wherein the host apparatus has location information and file system transfer information, the location information is managed in file units and includes an identifier of each file and an identifier of the file system to which the file belongs, and the file system transfer information is managed in file system units and indicates the transfer before and after transfer for the file system and storage location of the file system, wherein when the file system transfer apparatus migrates the file system, the file system transfer apparatus sends a notice of the transfer to the host apparatus, the host apparatus updates the file system transfer information in response to receiving the notice of the transfer, the host apparatus accesses the file in the file system using the location information and the updated file system transfer information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A data management method for a system including a host apparatus operative to receive requests from a client apparatus, a first storage apparatus having a first volume for storing a file system composed of a set of files, and a second storage apparatus having a second volume for storing the file system sent from the first storage apparatus, comprising:
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transferring the file system matching with file system migration rules from the first volume of the first storage apparatus to the second volume of the second storage apparatus when the set of files in the file system has not been accessed for a predetermined period of time; and managing the system such that, when the host apparatus has location information and file system transfer information, the location information is managed in file units and includes an identifier of each file and an identifier of the file system to which the file belongs, and the file system transfer information is managed in file system units and indicates the transfer before and after transfer for the file system and storage location of the file system, and when the file system is migrated, a notice of transfer is sent to the host apparatus, the host apparatus updates the file system transfer information in response to receiving the notice of transfer, and the host apparatus accesses the file in the file system that was transferred using the location information and the updated file system transfer information. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification