Upgrade from OEL 6.4 kernel version 2.6.39-400.109.6.el6uek.x86_64 to OEL 6.5 kernel version 3.8.13-35.1.2.el6uek.x86_64 Stop and disable CRS stack # crsctl stop crs # crsctl disable crs Get and prepare new YUM repository # cd /etc/yum.repos.d # rm public-yum-ol6.repo # wget http://public-yum.oracle.com/public-yum-ol6.repo # vi public-yum-ol6.repo --> find section [ol6_UEKR3_latest] and set Enabled=1 [ol6_UEKR3_latest] name=Latest Unbreakable Enterprise Kernel for Oracle Linux $releasever ($basearch) baseurl=http://public-yum.oracle.com/repo/OracleLinux/OL6/UEKR3/latest/$basearch/ gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle gpgcheck=1 enabled=1 <-- Change this from 0 to 1 Invoke yum to install new kernel and packages # yum update Dependencies Resolved ==================================================================================================================================== Package Arch Version Repository Size ==================================================================================================================================== Installing: firefox x86_64 24.6.0-1.0.1.el6_5 ol6_latest 47 M replacing firefox.x86_64 17.0.8-1.0.1.el6_4 kernel x86_64 2.6.32-431.20.3.el6 ol6_latest 28 M kernel-devel x86_64 2.6.32-431.20.3.el6 ol6_latest 8.8 M kernel-uek x86_64 3.8.13-35.1.2.el6uek ol6_UEKR3_latest 41 M kernel-uek-devel x86_64 3.8.13-35.1.2.el6uek ol6_UEKR3_latest 9.0 M kernel-uek-firmware noarch 3.8.13-35.1.2.el6uek ol6_UEKR3_latest 1.8 M .. Transaction Summary ==================================================================================================================================== Install 20 Package(s) Upgrade 457 Package(s) Total download size: 662 M Is this ok [y/N]: .. yum-plugin-security.noarch 0:1.1.30-17.0.1.el6_5 yum-rhn-plugin.noarch 0:0.9.1-49.0.1.el6 yum-utils.noarch 0:1.1.30-17.0.1.el6_5 Replaced: firefox.x86_64 0:17.0.8-1.0.1.el6_4 Complete! Now reboot the system - recompile VirtualBox guest Additions and restart CRS # reboot Rebuild Virtualbox Guest Additions # /etc/init.d/vboxadd setup # reboot --> Relink Oracle CRS and RDBMs binaries [ using the relink command ] Re-enable and restart CRS # crsctl enable crs # crsctl start crs