On Apr 11, 2012, at 8:20 PM, Ljubomir Ljubojevic wrote: > On 04/12/2012 12:57 AM, Patrick Lists wrote: >> On 04/12/2012 12:46 AM, aurfalien wrote: >>> Hi all, >>> >>> Taken from this link; >>> >>> https://www.centos.org/modules/newbb/print.php?form=1&topic_id=34988&forum=55&order=ASC&start=0 >>> >>> Seems like I am having the same issue. >>> >>> I assigned my boot loader to be on /dev/md0 rather then the default of /dev/sda1 >> >> Not sure if this is valid for CentOS but on Fedora 15 I had to set the >> metadata to version 0.90 when creating the /boot array. Without it (so >> using metadata version 1.0 on /dev/md0 aka /boot) it would not boot. >> > > Patrick, you are spot one. This is a must, and default for CentOS is 1.2 > I think. > > There is no conversion, you can only backup data from partition on md0 > and recreate md0 with: > > mdadm --create /dev/md9 --level=1 --raid-disks=2 /dev/sdj1 /dev/sdl1 > --metadata=0.90 > > return data and reinstall grub on sda AND sdb. Really? Any way to do this at install time? - aurf