On Tue, Jun 24, 2014 at 12:58 AM, Bill Sun <cap.sensitive@xxxxxxxxx> wrote: > Ah, I found the problem: I never configured an email address in > /etc/mdadm.conf > > But the new problem is: Why this service automatically start? I never > manually enabled mdmonitor, and I cannot find its link in > /etc/systemd/system/ . > > Regards. > It's part of the udev rule in /usr/lib/udev/rules.d/63-md-raid-arrays.rules Sander