On 2/14/2017 5:08 PM, Digimer wrote: > Note; If you're mirroring /boot, you may need to run grub install on > both disks to ensure they're both actually bootable (or else you might > find yourself doing an emergency boot off the CentOS ISO and installing > grub later). I left that out because the OP was talking about booting from a seperate SSD, and only mirroring his data drive. -- john r pierce, recycling bits in santa cruz