Patent ID: 8001417
Filing Date: 2011-08-16
Classification: G06F

Abstract:
1. A storage-system-implemented method for repairing a defective storage device in a physical storage-device array having a plurality of storage devices, comprising: a. a storage system receiving a plurality of data storage or retrieval requests from an upstream device; b. the storage system transmitting the plurality of data storage or retrieval requests to the physical storage-device array; c. the storage system receiving responses from the physical storage-device array in response to a first subset of requests among the plurality of data storage or retrieval requests; d. the storage system identifying, from among the plurality of data storage or retrieval requests transmitted to the physical storage-device array, a second subset of requests for which physical storage-device array responses have not been received; e. the storage system identifying an error associated with the defective storage device; f. the storage system effecting error recovery based on the error by: