Hi Donald,  The VMs for VDP and RPVM (and ESRS and CloudArray for that matter) are only deployed in a VxRail cluster if the customer explicitly installs those services. If those services aren't installed, then the values in the table you reference in your post can be ignored.  Richard
Dear All, Base on reading from previous discussion, the usable space is about 48% of the RAW HD size (excl. SSD for caching purpose) However the sizer doesn't tell the actual usable capacity. For the first VxRail, the following VM are also needed and will take up extra  space from the VxRail cluster. I am wonder if the optional parts: RP fro VM, CloudArray and VDP, can be ignored if customer is not intended to use them? Or such VM cannot  (or should not ) be deleted from the VxRail cluster?      [IMAGE]   Thanks, Donald
VxRail: Storage Usable capacity