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Why is data re-read bad?
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Classroom Contents
Design Tradeoffs for SSD Reliability
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- 1 Intro
- 2 High-level objectives
- 3 How bad is it?
- 4 SSD's reliability issue
- 5 Flash memory errors
- 6 Flash memory error modeling RBER (cycles, time, reads)
- 7 Error model: 3x-nm MLC (2011)
- 8 Error model: 3D TLC (2018)
- 9 Error correction code
- 10 Evaluation: data re-read
- 11 Why is data re-read bad?
- 12 Evaluation: redundancy
- 13 Observations
- 14 Holistic reliability management . Cold data
- 15 The bright side of flash memory
- 16 The dark side of flash memory
