7. HAProxy는 ubuntu01, ubuntu02, ubuntu03 노드의 서비스를 모두 재시작합니다. 서비스가 정상적으로 실행되는지 systemctl status 명령어를 이용해 확인합니다.
root@ubuntu01:~# systemctl restart haproxy root@ubuntu01:~# systemctl status haproxy ● haproxy.service - HAProxy Load Balancer Loaded: loaded (/lib/systemd/system/haproxy.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2016-09-09 11:39:29 KST; 1min 44s ago Docs: man:haproxy(1) file:/usr/share/doc/haproxy/configuration.txt.gz Process: 23552 ExecStartPre=/usr/sbin/haproxy -f ${CONFIG} -c -q (code=exited, status=0/SUCCESS) Main PID: 23556 (haproxy-systemd) Tasks: 3 (limit: 512) Memory: 1.2M CPU: 69ms CGroup: /system.slice/haproxy.service ├─23556 /usr/sbin/haproxy-systemd-wrapper -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid ├─23557 /usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -p /run/ haproxy.pid -Ds └─23560 /usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -p /run/ haproxy.pid -Ds
Sep 09 11:39:29 ubuntu03 systemd[1]: Stopped HAProxy Load Balancer. Sep 09 11:39:29 ubuntu03 systemd[1]: Starting HAProxy Load Balancer… Sep 09 11:39:29 ubuntu03 systemd[1]: Started HAProxy Load Balancer. Sep 09 11:39:29 ubuntu03 haproxy-systemd-wrapper[23556]: haproxy-systemd- wrapper: executing /usr/sbin/h