Proxmox Backup Server 3-2-1: Cloudflare R2 Offsite Backup (2026)

Your USB drive and second PBS are in the same building — fire, flood, or theft takes them all. In this final part of the 3-2-1 series, we add Cloudflare R2 as an offsite cloud tier via PBS's S3 backend. Free for under 10 GB, zero egress fees, and the reverse sync recovery works exactly the same as Parts 1 and 2. We destroy a real container, pull it back from the cloud, and restore it in minutes. Full written tutorial with screenshots: https://www.localhake.com/content/pbs-321-part-3-cloudflare-r2-offsite-backup Prerequisite: https://www.localhake.com/content/proxmox-backup-server-setup-guide Recommended Gear Some links are affiliate links — I may earn a commission at no extra cost to you. Seagate Portable 2TB External Hard Drive: https://amzn.to/4tGIlyE SanDisk 256GB Ultra USB 3.0 Flash Drive: https://amzn.to/4sqylZ6 Chapters 0:00 Intro - Why Offsite Backups 1:13 3-2-1 Architecture Overview 1:29 R2 Cost Optimization Strategy 2:27 Create R2 Bucket and API Token 3:32 Configure the S3 Endpoint in PBS 4:12 Create the S3-Backed Datastore 5:37 Create Pull Sync Job With Group Filters 6:49 Run the First Cloud Sync 7:26 Disaster Recovery Demo 9:43 Reverse Sync From R2 10:47 Restore and Verify PBS 3-2-1 Backup Strategy Series Part 1: USB Removable Datastore - https://www.localhake.com/content/pbs-321-part-1-usb-removable-datastores Part 2: PBS-to-PBS Pull Sync - https://www.localhake.com/content/pbs-321-part-2-pbs-to-pbs-pull-sync Part 3: Cloudflare R2 Offsite Backup (this video) #proxmox #homelab #backups #cloudflare #321backup