[Unit]
Description=Distributed Replicated Block Device
After=systemd-modules-load.service network-online.target

[Service]
Type=oneshot
RemainAfterExit=yes

ExecStart=/sbin/drbdadm adjust all
ExecStart=/sbin/drbdadm wait-con-int
ExecStart=/sbin/drbdadm sh-b-pri all
ExecStop=/sbin/drbdadm down all

[Install]
WantedBy=multi-user.target