Storage Tips: How to check if a disk is a GPT disk

First published on TECHNET on Sep 25, 2008
You can use DISKPART to check if the disk is a GPT disk.

DISKPART> list disk

Disk ###  Status        Size    Free    Dyn Gpt
--------  ------------- ------- ------- --- ---
Disk 0    Online        233 GB    0 B
Disk 1    Online         20 GB   20 GB   *
Disk 2    Online         20 GB   20 GB   *
Disk 3    Online         20 GB   20 GB   *
Disk 4    Online         20 GB   20 GB
Disk 5    Online         20 GB   20 GB       *
Disk 6    Online         20 GB   20 GB

As per the results above, Disk 5 is a GPT disk.

--Xiaoyu Yao