Gbase8a install Error:

Environmental Checking on gcluster nodes.
Cgconfig service is not exist on host [‘192.168.48.18’, ‘192.168.48.19’, ‘192.168.48.20’], resource manangement can not be used, continue ([Y,y]/[N,n])?

Check whether the following installation packages are installed, if they are missing, please install

yum list installed | grep libcgroup
yum list installed | grep libcgroup-tools

Install if missing

yum -y install libcgroup
yum -y install libcgroup-tools

Set CGroup service startup after installation

systemctl enable cgconfig.service

Start cgconfig service

systemctl start cgconfig.service 

Here if the execution reports an error.

Job for cgconfig.service failed because the control process exited with error code. See “systemctl status cgconfig.service” and “journalctl -xe” for details.

Then use the command to check the cause of the error

systemctl status cgconfig.service

If the reasons are as follows.

Error: cannot mount cpu to /cgroup/cpu: Device or resource busy
or
Failed to start Control Group configuration service.

then execute

cgclear - unload the cgroup filesystem
systemctl start cgconfig.service

Then restart the installer.