VBoxManage createmedium disk --filename /${path}/D.vdi --size 10240 --variant StandardVBoxManage createmedium disk --filename /${path}/E.vdi --size 5120 --variant StandardVBoxManage createmedium disk --filename /${path}/G.vdi --size 5120 --variant StandardVBoxManage showvminfo ${myVMname} | grep SATAVBoxManage storageattach ${myVMname} --storagectl "SATA" --port 4 --device 0 --type hdd --medium /${path}/D.vdiVBoxManage storageattach ${myVMname} --storagectl "SATA" --port 2 --device 0 --type hdd --medium /${path}/E.vdiVBoxManage storageattach ${myVMname} --storagectl "SATA" --port 3 --device 0 --type hdd --medium /${path}/G.vdiIf you don't have enough ports (default is 4) then...
VBoxManage storagectl ${myVMname} --name "SATA" --portcount 5Add disks in Windows