[CentOS] CentOS 7 - Installing on software RAID 1

[Digimer]

This is a follow-up to my thread on only being able to boot off of one 
disk when CentOS 7 is installed on software RAID level 1 disks.

I had two problems; Anaconda wouldn't allow a biosboot partition on both 
disks, so the partition geometry didn't match the two disks. When I 
dropped to shell to use parted to create the partition geometry, 
anaconda would crash.

Secondly, as covered in the earlier thread, I could only boot one disk.

I wrote a short tutorial covering how I finally made this work:

https://alteeve.ca/index.php?title=Install_CentOS7_with_Software_RAID_1

TL;DR: Install with a kickstart script (off a PXE server in my case) and 
then use 'grub2-install --grub-probe=/dev/null /dev/sda' to install grub 
on the non-booting disk.

Cheers

-- 
Digimer
Papers and Projects: https://alteeve.ca/w/
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