There are many ways to prevent data loss that include the use of third-party software however a suggested method is using a gdisk tool.
Before altering any compute format changes, we highly recommend to deploy your snapshot, create an image from the snapshot and deploy into to a different Availability Zone to further increase availability and security of data.
According to volume requirements for Windows and Linux , the MBR default partition limits its max size to 2TB and does not allow any increases past this. We recommend creating a GPT formatted disk and copying over the data from the MBR. In the requirements there are steps outlined to create and copy data over from MBR to GPT. A suggested gdisk tool can be found here: Sourceforge GPT fdisk download .
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