What actually counts as a copy under the 3-2-1 rule, why a RAID mirror or a snapshot only protects against one kind of failure, and the one-page inventory that exposes the gaps.
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Disclosure: this is my own article (Charles Hartmann, Homelab the Right Way). Written with AI help and edited by me; the setup described is mine.
I dont engage with corporate social media.
And craigslist is busted.
You can often find storage in old computers at 2nd hand shops for cheap, and backups don’t usually need to be fast, so performance isn’t super critical.
Kijiji is pretty good too but it might only be in Canada?