Is it possible to upgrade a RHEL 6-based RHEV cluster to a RHEL 7-based cluster?

Solution Verified - Updated -

Issue

How do I upgrade a RHEV cluster with RHEL 6/RHEV-H 6 hosts to a cluster with RHEL 7/RHEV-H 7 hosts with no downtime for the VM's in the cluster?

Environment

  • Red Hat Enterprise Virtualization 3.5, 3.6
  • Red Hat Enterprise Linux 6.X
  • Red Hat Enterprise Linux 7.X
  • Red Hat Enterprise Virtualization Hypervisor 6.X
  • Red Hat Enterprise Virtualization Hypervisor 7.X

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