----- Mail original ----- > De: "Gordon Messmer" <gordon.messmer at gmail.com> > À: "centos" <centos at centos.org> > Envoyé: Vendredi 18 Décembre 2015 12:06:26 > Objet: Re: [CentOS] Network services start before network is up since migrating to 7.2 >>> The network service is not blocking the flow so it executes and systemd >>> carries on ... >>> >>> From the point of view of the system as soon as /etc/init.d/network start >>> has been called the service is running as a state... as you can see from >>> your logs lots of other services also start before the network interface >>> itself is up. >> I understand this, but why only on one of my servers ? Is the order the services >> start only a question of latencies ? I'm confused. I updated two more servers this afternoon, and... all is working well. The services start in correct order. Even after three reboots. So only one of the (now) five updated servers doesn't start properly. Then what is the difference ? All I see for now is the network.target unit seems not active on the failing server. (failing) # systemctl list-units|grep network network.service loaded active exited LSB: Bring up/down networking rhel-import-state.service loaded active exited Import network configuration from initramfs network-online.target loaded active active Network is Online (failing) # systemctl status network ● network.service - LSB: Bring up/down networking Loaded: loaded (/etc/rc.d/init.d/network) Active: active (exited) since lun. 2015-12-21 12:49:31 CET; 1 day 5h ago Docs: man:systemd-sysv-generator(8) déc. 21 12:49:35 (failing) systemd[1]: Starting LSB: Bring up/down networking... déc. 21 12:49:26 (failing) network[747]: Activation de l'interface loopback : [ OK ] déc. 21 12:49:28 (failing) network[747]: Activation de l'interface ens160 : [ OK ] déc. 21 12:49:31 (failing) network[747]: Activation de l'interface ens192 : [ OK ] déc. 21 12:49:31 (failing) systemd[1]: Started LSB: Bring up/down networking. (correct) # systemctl list-units|grep network network.service loaded active exited LSB: Bring up/down networking rhel-import-state.service loaded active exited Import network configuration from initramfs network-online.target loaded active active Network is Online network.target loaded active active Network (correct) # systemctl status network ● network.service - LSB: Bring up/down networking Loaded: loaded (/etc/rc.d/init.d/network) Active: active (exited) since mar. 2015-12-22 17:42:15 CET; 33min ago Docs: man:systemd-sysv-generator(8) Process: 753 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS) déc. 22 17:42:07 (correct) systemd[1]: Starting LSB: Bring up/down networking... déc. 22 17:42:10 (correct) network[753]: Activation de l'interface loopback : [ OK ] déc. 22 17:42:13 (correct) NET[935]: /etc/sysconfig/network-scripts/ifup-post : updated /etc/resolv.conf déc. 22 17:42:13 (correct) network[753]: Activation de l'interface ens160 : [ OK ] déc. 22 17:42:15 (correct) network[753]: Activation de l'interface ens192 : [ OK ] déc. 22 17:42:15 (correct) systemd[1]: Started LSB: Bring up/down networking. To be continued... Sylvain. Pensez ENVIRONNEMENT : n'imprimer que si ncessaire