On 05/28/2018 06:58 PM, Robert Heller wrote:
At Mon, 28 May 2018 18:23:42 -0700 CentOS mailing list <centos@centos.org>
wrote:
On 05/28/2018 03:25 PM, Robert Heller wrote:
I tried to run efibootmgr, but it wants a model named efivars loaded, but
there is no such module available.
newserver.wendellfreelibrary.org% sudo efibootmgr
[sudo] password for heller:
Fatal: Couldn't open either sysfs or procfs directories for accessing EFI
variables.
Try 'modprobe efivars' as root.
newserver.wendellfreelibrary.org% sudo modprobe efivars
FATAL: Module efivars not found.
newserver.wendellfreelibrary.org% dmesg | grep efi:
newserver.wendellfreelibrary.org% ls /sys/firmware/efi/
ls: cannot access /sys/firmware/efi/: No such file or directory
newserver.wendellfreelibrary.org% uname -a
Linux newserver.wendellfreelibrary.org 2.6.32-696.28.1.el6.x86_64 #1 SMP Wed
May 9 23:09:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
newserver.wendellfreelibrary.org%
Look into the possibility that you're booting via BIOS and not UEFI.
It's possible to have /boot and /boot/efi, and also to have GRUB2
installed on the disk, in which case the system is able to boot from
both BIOS and UEFI.
If that's the case, then you'd need to install GRUB2 on the new disk as
well.
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