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Mar 21st, 2017
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  1. I'm sure our listeners will be interested in this PDF:
  2.  
  3. Redundancy does not imply fault tolerance: analysis of distributed
  4. storage reactions to single errors and corruptions
  5.  
  6. https://www.usenix.org/system/files/conference/fast17/fast17-ganesan.pdf
  7.  
  8. While testing zfs in a non-mirrored config seems .... pointless, the
  9. commentary is interesting: the vast majority of databases tested both
  10. fail to detect corruption, and happily propagate it to replicas. In some
  11. cases, notably if the node is the current leader, then the entire
  12. cluster can become unavailable as those errors are diligently
  13. transferred to other nodes.
  14.  
  15. Ouch.
  16.  
  17. A+
  18. Dave
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