Re: Will this in-place conversion from LEGACY/MBR RAID1 boot to GPT/EFI boot work
Hi,
On Mon, Oct 06, 2025 at 08:13:48PM -0500, Ram Ramesh wrote:
> Is this a workable plan or am I missing anything?
Yes what you've described will work except for having to shrink the
second partition a little for the backup GPT header. mdadm guides have
got you there; should be pretty simple for a RAID-1 that's not totally
full.
After you're done you won't have EFI System Partition redundancy so
you'll want to decide how to do that, considering that motherboard
firmwares don't support Linux MD.
Most people seem to opt for having two ESPs that are kept in sync and
thus both/either are selectable from the firmware boot process.
Thanks,
Andy
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