this post was submitted on 21 Jan 2025
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It's A Digital Disease!

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I need help interpreting the 3-2-1 rule... (zerobytes.monster)
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The original post: /r/datahoarder by /u/Fortnut420 on 2025-01-21 19:47:45.

I know. It seems pretty straight forward: 3 copies of the original file; 2 different storage devices for the data; 1 cache moved off site

The snag that I'm hitting is the 2nd verse.

Does that rule mean i have to keep my copies across 2 different types of storage devices? (Ex. Using an external SSD, and using Blu-Ray CDs)

Or does it mean I can use the same device type, but i need 2 of them. (Ex. Having 2 external SSDs)

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