[CentOS] raid 1 question

Thu Mar 7 23:48:46 UTC 2013
Gerry Reno <greno at verizon.net>

On 03/07/2013 06:40 PM, John R Pierce 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 always put a static boot on each drive, then made the REST of the 
> drive a mdraid mirror and put a LVM in it.   all that needs to be done 
> is to rsync the primary /boot with the backup following  any kernel updates.
Yes, I have /boot on /dev/md0 many times.   Some distros (anacondas) give great problem with this.   For those I just
create entire filesystem outside of anaconda and then tell it to use an existing Linux.  Works fine.