Understanding the Robustness of SSDs under Power Fault

Understanding the Robustness of SSDs under Power Fault

USENIX via YouTube Direct link

Intro

1 of 18

1 of 18

Intro

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Understanding the Robustness of SSDs under Power Fault

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  1. 1 Intro
  2. 2 Power Faults a threat never gone
  3. 3 Simple Failures
  4. 4 Complex Failure: Unserializable Writes
  5. 5 Design
  6. 6 What to Write?
  7. 7 Special Record Format - allows detecting all types of failures
  8. 8 Advanced FTL: Compression
  9. 9 Randomization of Record Content - avoid interference of compression
  10. 10 Deriving Completion-time Partial Order - a key step of unserializable writes detection
  11. 11 Power Fault Injection
  12. 12 Experimental Environment
  13. 13 Summary of Observations
  14. 14 Shorn Writes: Subpage Programming
  15. 15 Serialization Errors: Avg. Numbers Per Fault
  16. 16 Serialization Errors: Patterns Over Time
  17. 17 Metadata Corruption
  18. 18 Conclusion

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