On 03/07/2013 06:52 PM, Les Mikesell wrote: > On Thu, Mar 7, 2013 at 5:40 PM, John R Pierce <pierce at hogranch.com> wrote: >> On 3/7/2013 3:35 PM, Gerry Reno wrote: >>> Dave, I've been using software raid with every type of RedHat distro RH/CentOS/Fedora for over 10 years without any >>> serious difficulties. I don't quite understand the logic in all these negative statements about software raid on that >>> wiki page. The worst I get into is I have to boot from a bootdisk if the MBR gets corrupted for any reason. No big >>> deal. Just rerun grub. >> have you been putting /boot on a mdraid? that's what the article is >> recommending against. > I've put /boot on md raid1 on a lot of machines (always drives small > enough to be MBR based) and never had any problem with the partition > looking enough like a native one for grub to boot it. The worst thing > I've seen about it is that some machines change their idea of bios > disk 0 and 1 when the first one fails, so your grub setup might be > wrong even after you do it on the 2nd disk - and that would be the > same with/without raid. As long as you are prepared to boot from a > rescue disk you can fix it easily anyway. > Good point, Les. Rescue disks and bootdisks are key and critical if you're going to use software raid.