ivanchuk now requires linux_admin 2.0.0 which includes fix for this BZ.
The /dev/sr0 disappeared from the menu I talked about in the bug description. It also seems have disappeared from other locations, like when there is a prompt "Choose the standby database disk"
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0452