Sysctl.conf parameters overridden by Tuned
环境
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
问题
- Settings in
/etc/sysctl.conf get overridden by tuned
决议
To set custom parameters in /etc/sysctl.conf, tuned needs to be disabled first
- RHEL 5 and RHEL 6
Raw
# service tuned stop
# chkconfig tuned off
# service ktune stop
# chkconfig ktune off
OR
Raw
# tuned-adm off
- RHEL 7
Raw
# systemctl stop tuned
# systemctl disable tuned
# systemctl stop ktune
# systemctl disable ktune
根源
Tuned profiles take precedence over other values on the system.
诊断步骤
Check if tuned is enabled on the system
- RHEL 5 and RHEL 6
Raw
chkconfig tuned
OR
Raw
chkconfig ktune
- RHEL 7
Raw
systemctl status tuned
OR
Raw
systemctl status ktune
