Techniques for storing data based upon storage policies
First Claim
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1. In a storage environment comprising a plurality of storage devices, a method of identifying a storage device from the plurality of storage devices for storing data, the method comprising:
- receiving a signal to store a data unit;
identifying a set of one or more placement rules configured for the storage environment, each placement rule comprising data-related criteria identifying one or more conditions related to one or more characteristics of the data to be stored and device-related criteria identifying one or more conditions related to one or more storage device characteristics;
calculating a data value score (DVS) for each placement rule in the set of placement rules based upon the data-related criteria of the placement rule and characteristics of the data unit; and
determining a storage device, from the plurality of storage devices, for storing the data unit based upon the set of placement rules and their associated DVSs, characteristics of the plurality of storage devices, and characteristics of the data unit to be stored.
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Abstract
Automated techniques for storing data in a data storage environment. Techniques are provided for determining storage locations for data in a heterogeneous storage environment based upon storage policies configured for the storage environment. The data is stored in storage locations that enable efficient data access while optimizing the use of available storage resources with minimum human intervention.
369 Citations
49 Claims
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1. In a storage environment comprising a plurality of storage devices, a method of identifying a storage device from the plurality of storage devices for storing data, the method comprising:
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receiving a signal to store a data unit;
identifying a set of one or more placement rules configured for the storage environment, each placement rule comprising data-related criteria identifying one or more conditions related to one or more characteristics of the data to be stored and device-related criteria identifying one or more conditions related to one or more storage device characteristics;
calculating a data value score (DVS) for each placement rule in the set of placement rules based upon the data-related criteria of the placement rule and characteristics of the data unit; and
determining a storage device, from the plurality of storage devices, for storing the data unit based upon the set of placement rules and their associated DVSs, characteristics of the plurality of storage devices, and characteristics of the data unit to be stored. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. In a storage environment comprising a plurality of storage devices, a data processing system for identifying a storage device from the plurality of storage devices for storing data, the data processing system comprising:
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a processor;
a memory coupled to the processor, the memory configured to store a plurality of code modules for execution by the processor, the plurality of code modules comprising;
a code module for receiving a signal to store a data unit;
a code module for identifying a set of one or more placement rules configured for the storage environment, each placement rule comprising data-related criteria identifying one or more conditions related to one or more characteristics of the data to be stored and device-related criteria identifying one or more conditions related to one or more storage device characteristics;
a code module for calculating a data value score (DVS) for each placement rule in the set of placement rules based upon the data-related criteria of the placement rule and characteristics of the data unit; and
a code module for determining a storage device, from the plurality of storage devices, for storing the data unit based upon the set of placement rules and their associated DVSs, characteristics of the plurality of storage devices, and characteristics of the data unit to be stored. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A computer program product stored on a computer-readable storage medium for identifying a storage device for storing data in a storage environment comprising a plurality of storage devices, the computer program product comprising:
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code for receiving a signal to store a data unit;
code for identifying a set of one or more placement rules configured for the storage environment, each placement rule comprising data-related criteria identifying one or more conditions related to one or more characteristics of the data to be stored and device-related criteria identifying one or more conditions related to one or more storage device characteristics;
code for calculating a data value score (DVS) for each placement rule in the set of placement rules based upon the data-related criteria of the placement rule and characteristics of the data unit; and
code for determining a storage device, from the plurality of storage devices, for storing the data unit based upon the set of placement rules and their associated DVSs, characteristics of the plurality of storage devices, and characteristics of the data unit to be stored. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. In a storage environment comprising a plurality of storage devices, a system for identifying a storage device from the plurality of storage devices for storing data, the system comprising:
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means for receiving a signal to store a data unit;
means for identifying a set of one or more placement rules configured for the storage environment, each placement rule comprising data-related criteria identifying one or more conditions related to one or more characteristics of the data to be stored and device-related criteria identifying one or more conditions related to one or more storage device characteristics;
means for calculating a data value score (DVS) for each placement rule in the set of placement rules based upon the data-related criteria of the placement rule and characteristics of the data unit; and
means for determining a storage device, from the plurality of storage devices, for storing the data unit based upon the set of placement rules and their associated DVSs, characteristics of the plurality of storage devices, and characteristics of the data unit to be stored.
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Specification