DLPAR (Online Change of memory ( RAM ) ressources for HANA DB) now available!
For details pls see SAP Note https://launchpad.support.sap.com/#/notes/3114051

Why you may have to use DPO after a DLPAR operation ?
Pls see details here:
https://community.ibm.com/community/user/power/blogs/pete-heyrman1/2020/07/27/ibm-virtualization-best-practice-guide