RHEL 8.2 is now supported with HANA on Power
See SAP Note 2235581 – SAP HANA: Supported Operating Systems
– RHEL 8 for SAP Solutions / RHEL 8 for SAP HANA –
consult SAP Note 2777782 for recommended OS settings
and SAP Note 2055470 for supported processor generations
Prerequisites:
8.2 (HANA 2.0 SPS04 revision 48.02 and HANA 2.0 SPS05 revision 52 and newer)
8.1 (HANA 2.0 SPS04 revision 45 and newer)
8.0 (HANA 2.0 SPS04 only, starting with revision 45)