https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Stephen Wadeley <swadeley(a)redhat.com> changed:
What |Removed |Added
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Status|ASSIGNED |MODIFIED
--- Comment #2 from Stephen Wadeley <swadeley(a)redhat.com> ---
Hello
Proposed change:
20.4. Reinstalling GRUB 2
Reinstalling GRUB 2 is a convenient way to fix certain problems usually caused
by an incorrect installation of GRUB 2, missing files, or a broken system.
Other reasons to reinstall GRUB 2 include the following:
Upgrading from the previous version of GRUB.
The user requires the GRUB 2 boot loader to control installed operating
systems. However, some operating systems are installed with their own boot
loaders. Reinstalling GRUB 2 returns control to the desired operating system.
Adding the boot information to another drive.
20.4.1. Reinstalling GRUB 2 on BIOS-Based Machines
When using the yum grub2-install command, the boot information is updated and
missing files are restored. Note that the files are restored only if they are
not corrupted.
Use the yum grub2-install <device> command to reinstall GRUB 2 if the system is
operating normally. For example:
~]# yum grub2-install /dev/sda
20.4.2. Reinstalling GRUB 2 on UEFI-Based Machines
When using the yum reinstall grub2-efi command, the boot information is updated
and missing files are restored. Note that the files are restored only if they
are not corrupted.
Use the yum reinstall grub2-efi <device> command to reinstall GRUB 2 if the
system is operating normally. For example:
~]# yum reinstall grub2-efi /dev/sda
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