Something

global {
        minor-count 2;
        dialog-refresh 5;
}

resource drbd0 {
        protocol C;
        incon-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep 60 ; halt -f";

        startup {
                degr-wfc-timeout 120;
        }

        disk {
                on-io-error panic;
        }

        net {
                max-buffers     2048;
                on-disconnect reconnect;
        }

        syncer {
                rate 10M;
                group 1;
        }

        on wt-vm30 {
                device  /dev/drbd0;
                disk    /dev/sda2;
                address 192.168.0.3:7788;
                meta-disk internal;
        }

        on wt-vm31 {
                device  /dev/drbd0;
                disk    /dev/sda2;
                address 192.168.0.4:7788;
                meta-disk internal;
        }
}