root@controller:~# service cinder-api restart
root@controller:~# service cinder-api status
● cinder-api.service - OpenStack Cinder Api
    Loaded: loaded (/lib/systemd/system/cinder-api.service; enabled; vendor
preset: enabled)
    Active: active (running) since Tue 2016-05-31 23:46:07 KST; 8s ago
   Process: 21899 ExecStartPre=/bin/chown cinder:cinder /var/lock/cinder /var/
log/cinder /var/lib/cinder (code=exited, status=0/SUCCESS)
   Process: 21895 ExecStartPre=/bin/mkdir -p /var/lock/cinder /var/log/cinder /
var/lib/cinder (code=exited, status=0/SUCCESS)
  Main PID: 21902 (cinder-api)
     Tasks: 5
    Memory: 124.1M
       CPU: 1.781s
    CGroup: /system.slice/cinder-api.service
            ├─21902 /usr/bin/python /usr/bin/cinder-api –config-file=/etc/cinder/
cinder.conf –log-file=/var/log/cinder/cinder-api.log
            ├─21917 /usr/bin/python /usr/bin/cinder-api –config-file=/etc/cinder/
cinder.conf –log-file=/var/log/cinder/cinder-api.log
            ├─21918 /usr/bin/python /usr/bin/cinder-api –config-file=/etc/cinder/
cinder.conf –log-file=/var/log/cinder/cinder-api.log
            ├─21919 /usr/bin/python /usr/bin/cinder-api –config-file=/etc/cinder/
cinder.conf –log-file=/var/log/cinder/cinder-api.log