[CentOS] What replaces the "grub" command

Tue Aug 8 09:56:59 UTC 2017
Scott Robbins <scottro11 at gmail.com>

On Tue, Aug 08, 2017 at 09:01:30AM +0100, Dave Cross wrote:
> I recently had a failing disk replaced in my colo server. The server
> is running Centos 7.3.
> After the replacement, I was following these instructions to rebuild
> the RAID array that the disk was part of.
> https://help.1and1.co.uk/servers-c40665/dedicated-server-linux-c40577/rescue-and-recovery-c40581/rebuild-the-software-raid-array-after-a-drive-replacement-a729756.html
> Everything went fine until I reached the final section ("Grub Setup").
> This section talks about running a command line program called "grub"
> to change the Grub configuration. And that program doesn't seem to be
> installed on this server.

grub2 install /dev/sda
grub2 install /dev/sdb

should do it, assuming the two actual physical disks are seen as
/dev/sda and /dev/sdb

Scott Robbins
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