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quartz/content/notes/22-digital-preservation.md
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title aliases tags
22-digital-preservation
comp210
lecture

how long will data survive?

data rot

  • eveything wears out
  • digital media degrades
    • unreadable media
    • damaged files
    • backups may help
  • hardware and software becomes obsolete
    • cloud service shut down
    • os no longer exists
    • no device to read media
    • no software to read files
  • format documentation non-existent or missing
  • file system changes - lost metadata

how long will it survive table

Dark ages 2

preservation of digital material

  • continuous format migration