A FlexGroup volume is a single namespace that is made up of multiple constituent/member volumes. ONTAP recommends auto-provision option which picks all aggregates and Trident is designed to follow the...A FlexGroup volume is a single namespace that is made up of multiple constituent/member volumes. ONTAP recommends auto-provision option which picks all aggregates and Trident is designed to follow the same in both ZAPI and REST approach currently. Another option is to create the FlexGroup outside of Trident with the desired configuration and then to import that FlexGroup into Trident.