Explainers
What is 3-2-1 Backup Rule?
Keep 3 copies, on 2 media, 1 offsite — the backup discipline that survives fires, hacks and host failures.
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FAQs
Do I need to understand 3-2-1 Backup Rule?
Enough to brief developers and read proposals — this page plus our SEO glossary covers it.
Where to learn more?
Related links above, or ask CBWS on WhatsApp.
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