Computer system
First Claim
Patent Images
1. A computer system comprising a storage device that stores information resources and an information resource control device connected to said storage device;
- wherein said storage device comprises;
a storage unit that has an information resource storage area and a snapshot image storage area, wherein the information resource storage area stores said information resources, and wherein the snapshot storage area stores a snapshot image that shows an image of said information resources at a specified point in time; and
said information resource control device comprises;
a first provision module that provides said information resources stored in said information resource storage area of said storage device;
a snapshot processing module that acquires a snapshot image of said information resource storage area, and stores said acquired snapshot image in said snapshot image storage area of said storage device;
a generating module that generates a second provision module that provides said snapshot image that is stored in said snapshot image storage unit of said storage device; and
a start processing module that starts provision of said snapshot image.
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Abstract
The server SV1 receives instructions to acquire snapshot images from control server 20, acquires the snapshot images of logic disk 110, and stores them in logic disk 130, and at the same time acquires snapshot images of logic disk 120, and stores them in logic disk 140. The server SV1 constructs a virtual file server environment using snapshot images of system files stored in logic disk 130, and provides data file snapshot images stored in logic disk 140 to the client CL.
51 Citations
20 Claims
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1. A computer system comprising a storage device that stores information resources and an information resource control device connected to said storage device;
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wherein said storage device comprises;
a storage unit that has an information resource storage area and a snapshot image storage area, wherein the information resource storage area stores said information resources, and wherein the snapshot storage area stores a snapshot image that shows an image of said information resources at a specified point in time; and
said information resource control device comprises;
a first provision module that provides said information resources stored in said information resource storage area of said storage device;
a snapshot processing module that acquires a snapshot image of said information resource storage area, and stores said acquired snapshot image in said snapshot image storage area of said storage device;
a generating module that generates a second provision module that provides said snapshot image that is stored in said snapshot image storage unit of said storage device; and
a start processing module that starts provision of said snapshot image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An information resource control device that is connected to a storage device that stores information resources and that controls said storage device, said information resource control device comprising:
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a first provision module that provides said information resources stored in said storage device;
a snapshot image acquiring module that acquires a snapshot image, wherein the snapshot image shows an image of said information resources that are stored in said storage device at a specified point in time;
a generating module that generates a second provision module, wherein the second provision module provides said acquired snapshot image; and
a start processing module that starts provision of said snapshot image.
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14. A storage device that stores information resources, said storage devise comprising:
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a storage unit that has an information resource storage area storing said information resources and a snapshot image storage area storing snapshot images that show images of said information resources at a specified point in time;
an instruction receiving module that receives instructions for getting said information resource snapshot images from a control device, wherein the control device controls said information resources being stored in said storage device; and
a snapshot processing module that acquires a snapshot image of said information resources and stores the acquired snapshot image in said snapshot image storage unit based on said instructions. - View Dependent Claims (15)
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16. A method of providing a snapshot image in a computer system comprising a storage device and an information resource control device, wherein the storage device stores information resources, and wherein the information resource control device is connected to said storage device and controls said information resources, said method comprising:
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acquiring a snapshot image of information resources stored in the storage device at any point in time;
storing the acquired snapshot image in the storage device; and
providing the stored snapshot image.
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17. A method of control of information resource in a computer system comprising a storage device and an information resource control device, wherein the storage device stores the information resources, and wherein the information resource control device is connected to said storage device and controls said information resources, said method comprising:
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in said storage device;
receiving instructions to acquire a snapshot image of said information resources stored in said storage device from said information resource control device;
acquiring said information resource snapshot image stored in said storage device based on said instructions; and
storing said acquired snapshot image in said storage device; and
in said information resource control device;
providing said information resources stored in said storage device;
giving instructions to get said information resource snapshot image stored in said storage device in relation to said storage device at a specified time; and
providing said snapshot image from said provision module.
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18. A snapshot image acquisition method comprising:
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receiving instructions to acquire said information resource snapshot image from a control device that controls said information resources stored in said storage device and that is connected to said storage;
acquiring said information resource snapshot image based on said instructions; and
storing said acquired snapshot image.
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19. A computer readable medium storing a program for controlling a storage device, wherein the computer program is executed on a computer, said program comprising:
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a program code of controlling a first provision module that provides said information resources that are stored in said storage device;
a program code of acquiring a snapshot image of said information resources that are stored in said storage device at any point in time, and of storing this in said storage device;
a program code of generating a second provision module that is a virtual first provision module that provides said snapshot image that is stored in said storage device; and
a program code of activating said second provision module and providing said snapshot image.
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20. A computer readable medium storing a program for acquiring a snapshot image on a storage device, wherein the storage device stores information resources, and wherein the computer program is executed on a computer, said program comprising:
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a program code of receiving instructions to acquire said information resource snapshot image from a control device that controls said information resources stored in said storage device that is connected to said storage;
a program code of acquiring said information resource snapshot image based on said instructions; and
a program code of storing said acquired snapshot image.
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Specification