Memory controller and storage device which selects memory devices in which data is to be written based on evaluation values of a usable capacity of the memory devices
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United States of America Patent
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Jan 15, 2019
Grant Date -
Sep 14, 2017
app pub date -
Mar 6, 2017
filing date -
Mar 10, 2016
priority date (Note) -
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Abstract
According to one embodiment, a memory controller includes a memory, an adjustment part, a writing part and a setting change part. The memory stores first data, that includes a write amount with respect to a plurality of regions in a plurality of nonvolatile memories, and second data that includes a write state corresponding to the plurality of nonvolatile memories. The adjustment part selects the nonvolatile memory based on the first data and the second data. The write part writes the data to be written in the selected nonvolatile memory and updates the first data and the second data. The setting change part changes setting of a usable capacity with respect to at least one of the plurality of nonvolatile memories, based on the first data and the second data.
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