It is possible to get yourself in trouble if you have more than one EFI partition. My two were on the same drive; I don't know if that makes a difference. But what happened to me was, after the first time I booted Windows 10 after installing Fedora, I could no longer boot Linux, it just went straight to the Windows boot manager without ever showing the GRUB screen. It was a royal pain. I have since learned more about how EFI boot works so that I might now be able to recover from this situation, but at the time, it required a complete reinstall of Fedora to get around the issue.
--Greg
On Thu, Jul 19, 2018 at 10:35 AM Rick Stevens <ricks@xxxxxxxxxxxxxx> wrote:
On 07/18/2018 05:06 PM, Samuel Sieb wrote:
> On 07/18/2018 02:53 PM, Patrick Dupre wrote:
>> I have a disk where I wish to have 2 OS on 2 different partitions
>> Do I need 2 EFI System Partition (Boot). I guess that one is enough.
>> I just want to be sure.
>
> You only need one. That's one of the big benefits of EFI.
Correct. You only need _one_. You can have more if you wish. I have a
system with three drives, each with an EFI boot partition. Overkill, but
one of the drives is my main Fedora system, one has Winblows on it and
the third is for experimental purposes. I wish to keep this stuff
separate as much as possible.
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