Migrating from CentOS 6 to CentOS 7
We have run OpenStack for a while, and always on CentOS 6. It's old and virtualization-wise somewhat restricted. Currently we're on OpenStack Icehouse. The Juno packages don't exist for CentOS 6 so we need to make the challenging jump to CentOS 7 before upgrading.
This is mainly a problem for the compute nodes. The virtual . . .