Hello, There are currently 3 kmod packages in CentOS-4 that require re-installation upon each kernel update: kmod-drbd kmod-drbd82 kmod-xfs CentOS is going to offer a kernel-independent version of these kmod packages. With this version, you install once, and they should survive kernel updates. They are in the testing repository at the moment and need to be tested before they can be made available from the regular place (extras repo). Getting enough testing is important because CentOS may not be providing kernel-specific kmod-packages any longer. If you have never used the testing repository, please refer to the Wiki article: http://wiki.centos.org/AdditionalResources/Repositories Happy testing! Akemi