Uninstalling Db2 Big SQL does not completely uninstall components
If you plan to re-install Db2 Big SQL, make sure that you clean the remnants of previous instances the service.
Symptoms
If you do not ensure that you have a clean system before you re-install, the installation might fail.Resolving the problem
Run these commands on all nodes of your cluster where the Db2 Big SQL worker node or the Big SQL head node was installed.- yum check-update -y
- yum clean expire-cache -y
- yum clean metadata –y