Operating a Data Storage System
First Claim
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1. A method for operating memory devices of a data storage system, the method comprising:
- relocating one or more parity entities (PE) from a first memory device to a spare memory device replacing a failed memory device; and
storing one or more reconstructed data entities (DE) on the first memory device.
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Abstract
A data storage system including at least one memory device array including memory devices for storing data; and a storage subsystem controller for performing a method for operating the memory devices within the memory device array by relocating parity entities from a first memory device to a spare memory device replacing a failed memory device, and by storing one or more of reconstructed data entities on the first memory device.
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Citations
25 Claims
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1. A method for operating memory devices of a data storage system, the method comprising:
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relocating one or more parity entities (PE) from a first memory device to a spare memory device replacing a failed memory device; and storing one or more reconstructed data entities (DE) on the first memory device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A data storage system comprising:
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a plurality of memory devices for storing data; and a storage subsystem controller designed for operating said memory devices by relocating one or more parity entities (PE) from a first of said memory devices to a spare memory device replacing a failed of said memory devices, and for storing one or more reconstructed data entities on the first memory device. - View Dependent Claims (12, 13, 15)
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14. (canceled)
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16. A computer program product comprising a computer readable storage medium having a computer program for operating memory devices of a data storage system stored therein, which, when executed by a data processing system, causes the data processing system to perform actions comprising:
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relocating one or more parity entities (PE) from a first memory device to a spare memory device replacing a failed memory device; and storing one or more reconstructed data entities (DE) on the first memory device. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification