Omv Usb Backup Link

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:

# Example wrapper script in /usr/local/bin/custom-usb-backup.sh rsync -av --exclude='*.tmp' --exclude='Thumbs.db' /srv/dev-disk-by-uuid-xxx/ /srv/usb-backup/ Mirror mode restore: sudo rsync -av /srv/usb-backup/shared_docs/ /srv/dev-disk-by-uuid-source/shared_docs/ Incremental/Differential restore: Use rsync or copy manually – the USB contains the latest state as of the last run. 6. Troubleshooting 6.1 Backup fails with "device busy" Solution : omv usb backup

sudo udevadm control --reload-rules sudo udevadm trigger Check USB insertion event: For advanced setups (encryption

# 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 multiple backup destinations)

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:

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 .