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33 lines
642 B
Markdown
33 lines
642 B
Markdown
---
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title: "22-digital-preservation"
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aliases:
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tags:
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- comp210
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- lecture
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---
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how long will data survive?
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data rot
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- eveything wears out
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- digital media degrades
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- unreadable media
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- damaged files
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- backups may help
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- hardware and software becomes obsolete
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- cloud service shut down
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- os no longer exists
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- no device to read media
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- no software to read files
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- format documentation non-existent or missing
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- file system changes - lost metadata
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Dark ages 2
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## preservation of digital material
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- continuous format migration
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- |