Solution: openstack cannot be restarted or shut down after centos7 upgrade

Solution: openstack cannot be restarted or shut down after centos7 upgrade

The condition for determining the restart EMD Shutdown Process in the newly released yum source upgrade package of centos 7 has changed, which may cause the server to become stuck when it is restarted after centos 7 is upgraded. The judgment of the newly released systemd process is more strict. If some processes do not respond to the SIGTERM signal, the restart may fail. This problem is related to how the business process processes the SIGTERM signal.

Run the yum update systemd (or yum update) command to update the systemd software package to version 219-19.el7. After the reboot package is released, the following page appears, causing the system to be suspended and the system cannot be restarted:

Symptom:

Query version packages:

Solution:

New/etc/systemd/system/rc-local.service and write:

[Unit]Description=/etc/rc.d/rc.local CompatibilityConditionFileIsExecutable=/etc/rc.d/rc.localAfter=network.target[Service]Type=forkingExecStart=/etc/rc.d/rc.local startTimeoutSec=5RemainAfterExit=yes

Back up/etc/systemd/system. conf

cp -a /etc/systemd/system.conf /etc/systemd/system.conf_bak

Modify file

# sed -i 's/#DefaultTimeoutStopSec=90s/DefaultTimeoutStopSec=30s/g' /etc/systemd/system.conf

Reload

# systemctl daemon-reload