Autonomic retention classes
First Claim
1. A method of determining whether to retain data within at least one storage device, said method comprising:
- storing data items in at least one storage device;
maintaining access statistics for each of said data items;
maintaining an age of each of said data items; and
calculating a retention value for each of said data items based on said access statistics for each of said data items and said age of each of said data items,wherein said calculating of said retention value comprises creating clusters of data points, wherein each of said data points comprise a function of data item age and data item number of accesses.
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Abstract
The embodiments of the invention provide methods, computer program products, etc. for autonomic retention classes when retaining data within storage devices. More specifically, a method of determining whether to retain data within at least one storage device begins by storing data items in at least one storage device. Furthermore, the method maintains access statistics for each of the data items, an age of each of the data items, and an administrator-defined importance value of each of the data items. Following this, a retention value is calculated for each of the data items based on the access statistics for each of the data items, the age of each of the data items, and the administrator-defined importance value of each of the data items.
24 Citations
17 Claims
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1. A method of determining whether to retain data within at least one storage device, said method comprising:
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storing data items in at least one storage device; maintaining access statistics for each of said data items; maintaining an age of each of said data items; and calculating a retention value for each of said data items based on said access statistics for each of said data items and said age of each of said data items, wherein said calculating of said retention value comprises creating clusters of data points, wherein each of said data points comprise a function of data item age and data item number of accesses. - View Dependent Claims (2, 3, 4, 5)
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6. A method of determining whether to retain data within at least one storage device, said method comprising:
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storing data items in at least one storage device; maintaining access statistics for each of said data items; maintaining an age of each of said data items; and maintaining an administrator-defined importance value of each of said data items; calculating a retention value for each of said data items based on said access statistics for each of said data items, said age of each of said data items, and said administrator-defined importance value of each of said data items, wherein said calculating of said retention value comprises creating clusters of data points, wherein each of said data points comprise a function of data item age and data item number of accesses. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A computer program product comprising computer readable program code stored on computer readable storage medium embodied therein for performing a method of determining whether to retain data within at least one storage device, said method comprising:
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storing data items in at least one storage device; maintaining access statistics for each of said data items; maintaining an age of each of said data items; maintaining an administrator-defined importance value of each of said data items; and calculating a retention value for each of said data items based on said access statistics for each of said data items, said age of each of said data items, and said administrator-defined importance value of each of said data item, wherein said calculating of said retention value comprises creating clusters of data points, wherein each of said data points comprise a function of data item age and data item number of accesses. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification