# One-liner backup rsync -av --delete /srv/source-shared/ /srv/usb-target/ 0 * * * * rsync -av --delete /srv/source-shared/ /srv/usb-target/ Final Checklist ✅ USB drive formatted and mounted ✅ Plugin installed ✅ Backup job created with correct mode ✅ Test manual backup runs successfully ✅ Auto-run enabled (optional) ✅ Email notifications configured (optional) ✅ Restore tested at least once
Your OMV server will now automatically safeguard your data to USB every time you plug it in. For advanced setups (encryption, multiple backup destinations), consider combining with duplicity or borgbackup . omv usb backup
sudo omv-env set OMV_USBBACKUP_USER "myuser" sudo omv-salt deploy run usbbackup Edit the backup script template (not recommended) or use rsync excludes in a custom script: multiple backup destinations)
sudo chmod -R 755 /srv/dev-disk-by-uuid-source/shared_folder sudo chown -R root:users /srv/dev-disk-by-uuid-source/shared_folder Fix : Verify udev rule: omv usb backup
sudo umount /dev/sdb1 sudo mount /dev/sdb1 /srv/usb-backup Solution : Add to /etc/fstab (via OMV Storage → File Systems → Edit → Enable "Mount automatically") 6.3 "Rsync error: some files could not be transferred" Fix : Check source folder permissions: