Handling failing memory devices in a dispersed storage network
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United States of America Patent
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Sep 18, 2018
Grant Date -
Jan 5, 2017
app pub date -
Sep 15, 2016
filing date -
Apr 30, 2015
priority date (Note) -
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Abstract
A method for execution by a dispersed storage and task (DST) execution unit identifying a failing memory device based on memory device diagnostic data. A cloning task is executed by designating memory of a replacement memory device to store encoded slices stored in the failing memory device, where the cloning task is executed over a cloning duration time period. A write request is received via a network at a receiving time during the cloning duration time period that includes a new encoded slice, and the new encoded slice is assigned to a temporary memory device for storage based on an identifier of the new encoded. The new encoded slice is transferred from the temporary memory device to the replacement memory device in response to an elapsing of the cloning duration time period corresponding to completion of the execution of the cloning task.
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