VSAM
When the primary node is on an OD/zOS Object Server and the Access Method is VSAM, specifies that data stored in the primary node is stored on VSAM data sets. You must also specify the High Level Qualifier for the VSAM data sets.
When the primary node is on an OD/zOS Object Server and the Access Method is VSAM, specifies that data stored in the primary node is stored on VSAM data sets. You must also specify the High Level Qualifier for the VSAM data sets.