Suggest to add here "with all relevant options and environment files used in deployment", otherwise can lead to failure. As reported by: https://bugzilla.redhat.com/show_bug.cgi?id=1571437 https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/13/html/fast_forward_upgrades/assembly-upgrading_the_overcloud#annotations:3d4b0293-7dcc-4eba-9cc7-f2e058df7c7a
Updated and merged for OSP13-queens. See update here: https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/13/html-single/fast_forward_upgrades/#performing_the_fast_forward_upgrade_of_the_overcloud