Aleksey Tsalolikhin wrote on 10/03/2010 01:16 AM: > Hi. I just noticed I had a CentOS 5.3 system that I updated to CentOS > 5.5 a few days ago, > and I just ran "yum -y update" again to get the latest kernel, and I > just noticed it still has the old 2.6.18-128 kernel instead of the new > 2.6.18-194.17. What gives? > > /etc/grub.conf points at 2.6.18-194.17, but when I reboot, 2.6.18-128 comes up. > > Any suggestions? See what "cat /proc/mdstat" shows. I suspect your RAID is degraded. The OS is seeing one member, and GRUB sees the other disk that is not currently being mirrored. Phil