Creating Scaleio Volume from Disks in the same SDS

Hi every one In Scaleio 2.6 on VMware ESXI host , is it possible to create a volume with three Disks from the same SDS host ? The Volume create button is Gryed out in the Gui From the scli command line I've go the fowling error MDM Failed command Status : Less than tree Devices from different SDSs are defined in this storage pool. Add Devices to the Storage Pool from Additional SDSs. Regards Sofiane