[CentOS] RAID questions

Wed Feb 15 07:05:18 UTC 2017
Andreas Benzler <andreas at benzlerweb.de>

Am Dienstag, den 14.02.2017, 20:21 -0500 schrieb Digimer:
> On 14/02/17 08:12 PM, John R Pierce wrote:
> > 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.
> 
> Ah, ok, that makes sense.
> 
What we did test out and use on huge centos file system servers is 

http://relax-and-recover.org/

Rear put you working kernel, needed kernel for your machine for example,
onto usb or iso.  A Bare-metal copy of you base system for recovery
disaster can copy back over another value.

Sincerely

Andy