For added security, Windows 11 will forgo the older MBR partition scheme and use GPT instead. That may require users to convert their older hard drives. Here is how to do it.

This disk management software can convert MBR to GPT without losing any data. Check the table to learn how EaseUS Partition master makes MBR to GPT conversion safe and worry-free: ...

With Microsoft ending Windows 10 updates on October 14, 2025, millions of users must upgrade to Windows 11. This operating ...

The recommended method to convert these disks is to upgrade the operating system to Windows 10 first, then perform the MBR to GPT conversion. So 2k8 sounds like a no no even for an offline conversion.

Turns out by default Linux (RHEL8) is still using MBR disks and so you run into the 2TB max limit. Found that there is a command "sgdisk" that will do a live conversion to GPT without any data loss.