[Unit]
Description=Backup home to Portable drive (BTRFS send/receive)
# Give the drive a moment to fully settle after plug-in
After=local-fs.target

[Service]
Type=oneshot
ExecStartPre=/bin/sleep 5
ExecStart=/usr/local/bin/backup-to-portable
TimeoutStartSec=7200
Nice=10
IOSchedulingClass=idle
IOSchedulingPriority=7
# Don't kill backup if user logs out
KillMode=process

[Install]
WantedBy=multi-user.target