NCM Creations
MBR works with disks up to 2 TB in size, but it can’t handle disks with more than 2 TB of space with GPT give you much larger size limit.
This tutorial about changing partition table without data losses. This method can apply in the production environment, but please careful with some options that may wipe the disk.
Please download gptfdisk from
https://sourceforge.net/projects/gptfdisk/?source=typ_redirect
Many thanks to http://www.rodsbooks.com/gdisk/
Convert MBR to GPT without data loss
