[Unit] Description=Software RAID monitoring and management After=syslog.target ConditionPathExists=/etc/mdadm.conf [Service] Type=forking PIDFile=/run/mdadm/mdadm.pid ExecStart=/usr/sbin/mdadm --monitor --scan -f --pid-file=/run/mdadm/mdadm.pid [Install] WantedBy=multi-user.target