[CentOS] CentOS6: HELP! EFI boot fails after replacing disks...

Tue May 29 01:58:29 UTC 2018
Robert Heller <heller at deepsoft.com>

At Mon, 28 May 2018 18:23:42 -0700 CentOS mailing list <centos at 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.
> That's interesting.  Can you post the command and output where you see that?
> Also, post the output of "dmesg | grep efi:" and "ls /sys/firmware/efi/"

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

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Robert Heller             -- 978-544-6933
Deepwoods Software        -- Custom Software Services
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