New network interface with 19.21 patch
19.21 ODA patch
We noticed that during the 19.21 patching, a new network interface similar to 'ifcfg-enp0s20f0u8u3c2' is getting created (check under /etc/sysconfig/network-scripts) after re-imaging and plumbing the network. This network interface prevents the network service from restarting during the 'odacli restore-node -g' step. Luckily we came across Jérôme Dubar's blog where he discussed this issue. It also helped us prepare for other ODA patching by moving the /etc/sysconfig/network-scripts/ifcfg-enp0s20f0u8u3c2 file to a different location before executing 'odacli restore-node -g'.
Just wanted to share this if other ODA admins face the same issue.