It's A Digital Disease!

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Is the 3-2-1 Backup Strategy Really Necessary for My NAS Setup? (zerobytes.monster)

submitted 6 months ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster

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The original post: /r/datahoarder by /u/PsychologicalBass738 on 2025-03-01 19:32:54.

I saw several people commented that it's important to have a proper backup for NAS and refer to the 3-2-1 strategy. So, it should be the original plus at least two backups, with one offsite backup right? That sounds like a lot of copies and redundancy. Is it actually necessary to have that many backups?

Let's say I have photos and files on my phone and laptop that automatically sync with my NAS, and I also have RAID set up as protection. Does that sound sufficient? Or should I actually strictly follow the 3-2-1 rule? If so, how should I back up my NAS then?

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