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Handling malfunction in a memory system comprising a nonvolatile memory by monitoring bad-block patterns
Handling malfunction in a memory system comprising a nonvolatile memory by monitoring bad-block patterns
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机译:通过监控坏块模式,处理包括非易失性存储器的存储器系统中的故障
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摘要
A controller includes an interface and storage circuitry. The interface communicates with one or more memory devices, each of the memory devices includes multiple memory cells organized in memory blocks. The storage circuitry is configured to perform multiple storage operations to the memory cells in the one or more memory devices, and mark memory blocks in which one or more storage operations have failed as bad blocks. The controller is further configured to identify a pattern of multiple bad blocks occurring over a sequence of multiple consecutive storage operations, the pattern is indicative of a system-level malfunction in a memory system including the controller, and in response to identifying the pattern, to perform a corrective action to the memory system.
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