On 07/19/2018 03:15 PM, Rick Stevens wrote:
On 07/19/2018 10:38 AM, Greg Woods wrote:
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.
I expect that was Microsoft forcing the EFI "BootOrder' to give them
preference (boot us first if we're installed) and possibly setting the
"Timeout" to zero so the EFI selection screen isn't shown. They're
famous for that.
Reinstalling Fedora sets the parameters to a more reasonable choice. The
rule I've always used (even in the MBR days) is "if you must have
Windows on your machine coexisting with some other OS, you need to
install Windows first, reserving space for your other OS, then install
the second OS. Windows will absolutely try to take over the boot order."
You could get that info from the output of the "efibootmgr -v" command
in Linux or by digging around in the firmware of your motherboard.
Sometimes the EFI stuff isn't presented really well in the motherboard's
GUI, but it MUST be there somewhere.
You can sometimes live-boot from CD (DVD?) and efibootmgr to reset
things so that you can again get to your Linux boot after what MS did EFI.
On Thu, Jul 19, 2018 at 10:35 AM Rick Stevens <ricks@xxxxxxxxxxxxxx
<mailto: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.
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx
<mailto:ricks@xxxxxxxxxxxxxx> -
- AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 -
- -
- BASIC is the Computer Science version of `Scientific Creationism' -
----------------------------------------------------------------------
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
<mailto:users@xxxxxxxxxxxxxxxxxxxxxxx>
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
<mailto:users-leave@xxxxxxxxxxxxxxxxxxxxxxx>
Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives:
https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx/message/UXPWPR7V7XALOS3IQVJOTY5MFJC2P7CW/
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx/message/GFOVQNBSYAUTKEJLXARKXMEGJ4AWIVZR/
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx/message/WBQSLRS5XPH342H4Q2OMK6E2XUP6R2RF/
