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VMDKs on VMFS datastores are the preferred storage for the SAP HANA persistence on SAP HANA virtual machines. Start by correctly sizing and creating the storage LUNs, as described in Sizing storage LUNs for SAP HANA persistence, and then format VMFS datastores on these LUNs. After that, you can create data and log devices for the SAP HANA virtual machines on the datastores.