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by gattr 1214 days ago
As of recently, my setup for backups consists of 2x4 TB HDDs (from different manufacturers) with BTRFS in RAID 1, plugged into a small 2-drive USB3 docking station. With both checksumming and mirroring, feels pretty safe from HW-failure/bit rot standpoint (if one disk fails, you can still mount the other in "degraded" mode).