I support a Hortonworks Hadoop cluster that is on an isolated network. Currently running HDP-220.127.116.11 and RedHat 6.6 for the operating system.
I need to rebuild a couple of my data nodes and no longer have access to the RedHat repo. I do have access the a centos repo.
Question is, can I rebuild the data nodes using Centos 7 when the majority of my cluster is running RH6? Ultimately I would like to move everything to Centos 7 but the cluster is not running HA and I am not sure what the process for migrating everything would be