# gdisk /dev/sdX GPT fdisk (gdisk) version 0.8.6 Partition table scan: MBR: not present BSD: not present APM: not present GPT: not present Creating new GPT entries. Command (? for help): o This option deletes all partitions and creates a new protective MBR. Proceed? (Y/N): y Command (? for help): n Partition number : First sector: Last sector: +512M Hex code or GUID: ef00 Command (? for help): n P