[Unit]
Description=MARS block layer HA (kernel module)
Documentation=https://github.com/schoebel/mars/docu/mars-manual.pdf
RequiresMountsFor=/mars/uuid

[Service]
Type=oneshot
RemainAfterExit=1
ExecStart=/sbin/modprobe mars
ExecStop=/sbin/rmmod mars

[Install]
WantedBy=dev-mars-@.device