While using the Hybrid Cloud Console's Image Builder to create/edit a blueprint, during stage 4 (File System Configuration), if you choose to manually configure partitions the following text is displayed:

Create partitions for your image by defining mount points and minimum sizes. Image builder creates partitions with a logical volume (LVM) device type.

This is a bit misleading, as it also allows you to select "/boot", which can't be created as an LVM device, as this is not supported. This is causing confusion among some customers.