[root@NAS3]# sgdisk --zap-all /dev/sdc
Creating new GPT entries.
GPT data structures destroyed! You may now partition the disk using fdisk or
other utilities.

[root@NAS3]# sgdisk --set-alignment=8 --new=1:64:+200M --typecode=1:8200 /dev/sdc
Creating new GPT entries.
The operation has completed successfully.

[root@NAS3]# sgdisk --set-alignment=8 --new=2:0:0 --typecode=2:fd00 /dev/sdc
The operation has completed successfully.

[root@NAS3]# sgdisk -p

[root@NAS3]# sgdisk -p /dev/sdc
Disk /dev/sdc: 732558336 sectors, 2.7 TiB
Logical sector size: 4096 bytes
Disk identifier (GUID): 22464954-D485-4FD2-9F43-2C9DA8704069
Partition table holds up to 128 entries
First usable sector is 6, last usable sector is 732558330
Partitions will be aligned on 64-sector boundaries
Total free space is 58 sectors (232.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1              64           51263   200.0 MiB   8200
   2           51264       732558330   2.7 TiB     FD00

[root@NAS3]# sfdisk -R /dev/sdc