On 18 Jan 2024 12:15 +0100, from to...@tuxteam.de: >> **That "primary backup drive" is not a backup at all.** > > It is: against the situation you fat-finger something and react > before the next backup happens (this is a threat worth being taken > into account). For that case, a backup with more than one "back" > version would be more useful (see --link-dest in rsync for that). > > It is not against the system running amok and thrashing all attached > disks (be it by accident -- improbable, or by malice -- more probable. > cf. crypto-malware). Disconnected back ups are better here. > > It is not for against your shed going up in flames. Off site for this.
OP has specified (17 Jan 19:52 UTC) that the threat model includes, among many other things, "mechanical failure" and "lightning". A single copy offers zero protection against that. -- Michael Kjörling 🔗 https://michael.kjorling.se “Remember when, on the Internet, nobody cared that you were a dog?”
