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A chart illustrating the 3-2-1-1-0 backup strategy: 3 copies of data, 2 types of media, 1 offsite copy, 1 air-gapped immutable copy, and 0 verified errors - each step visually represented with clear icons.
07 • 03 • 2025

3-2-1-1-0 Backup – everything you need to know

13 min read

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A man with a beard and short hair, identified as Alex Bye, wearing a blue quilted jacket and a white shirt, is outdoors. The image is in a circular frame.
A young man with short brown hair smiles at the camera. He is wearing a dark blazer over a light shirt, and there is a decorative mug on a shelf in the blurred background. The photo is framed in a circular shape.
A smiling man with short grey hair and a beard, wearing a black shirt, standing indoors with large windows and an urban landscape visible in the background.

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