Arun Khan wrote: <snip> > Following the instructions on CentOS Wiki > <http://wiki.centos.org/HowTos/Install_On_Partitionable_RAID1> I > installed a min. server in Linux KVM setup (script shown below) <snip> > The system boots fine when both disks are available. > When I remove either of the disks (delete the -drive file= line), the > system boots to a point wherein the GRUB menu is displayed and the > progress bar displays for a while till the white bar reaches about > halfway point and then it: > > Kernel panic - not syncing: Attempted to kill init! <snip> > <fdisk -l> > root at centos62-raid1 ~ > > # fdisk -l > > Disk /dev/sda: 10.7 GB, 10737418240 bytes > 255 heads, 63 sectors/track, 1305 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x000e8353 > > Device Boot Start End Blocks Id System > /dev/sda1 * 1 523 4194304 83 Linux > Partition 1 does not end on cylinder boundary. > /dev/sda2 523 1045 4194304 83 Linux > /dev/sda3 1045 1176 1048576 82 Linux swap / > Solaris <snip> Ok, I see that it's hardware 512b blocks, so you're not running into issues with 4k hardware blocks. I trust you installed grub on /dev/md0, which I assume is /dev/sda1 and /dev/sdb1? mark