DNS servers missing in /etc/resolv.conf after reboot during RHOSP 13 minor upgrade
Issue
- When doing an minor upgrade from RHOSP 13z8 to RHOSP latest it is necessary to reboot all nodes, as described on this procedure procedure
- After rebooting all the overcloud nodes and cpt0 the configuration file (/etc/resolv.conf) is empty
Environment
- Red Hat Openstack Platform (RHOSP) 13z8.
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