DATA STORAGE
1 Assignment
0 Petitions
Accused Products
Abstract
A data storage system comprises a controller, a first lower performance storage medium and a second higher performance storage medium. The controller is connected to the storage mediums and is arranged to control Input/Output (IO) access to the storage mediums. In operation, the controller is arranged to store an image on the first storage medium, initiate a copy function from the first storage medium to the second storage medium, direct all IO access for the image to the second storage medium, and periodically age data from the second storage medium to the first storage medium.
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Citations
36 Claims
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1-15. -15. (canceled)
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16. A controller coupled to a first lower performance storage medium and a second higher performance storage medium and arranged to control Input/Output (I/O) access to the first storage medium and the second storage medium, wherein the controller is configured to:
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store an image on the first storage medium; initiate a copy function from the first storage medium to the second storage medium; direct all IO access for the image to the second storage medium; and periodically age data from the second storage medium to the first storage medium. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23-29. -29. (canceled)
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30. A computer program product on a computer readable medium for operating a data storage system, wherein the data storage system comprises, a controller, a first lower performance storage medium, and a second higher performance storage medium, the controller coupled to the first storage medium and the second storage medium and configured to control Input/Output (IO) access to the first storage medium and the second storage medium, wherein instructions stored on the computer readable medium are configured to have operations performed, the operations comprising:
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storing an image on the first storage medium, initiating a copy function from the first storage medium to the second storage medium, directing all IO access for the image to the second storage medium, and periodically aging data from the second storage medium to the first storage medium. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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Specification