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RHCK and vdo/kmod-vdo dependency
I'm currently in the process of gradually moving all my servers from CentOS 7 to Oracle Linux 7. So far I migrated half a dozen machines, and by now the process is trivial for me.
One of my servers has a relatively small /boot partition. After migrating it, I noticed I got an Icinga alert about a full partition. Indeed, /boot was 93% full. Which was due to the fact that I had two upstream Red Hat kernels as well as two Oracle kernels.
I read the documentation on how to remove the Red Hat kernels and decided to give it a go. I installed the kernel-transition package and removed the kernel, kernel-tools and kernel-tools-libs packages. Which freed my /boot partition as expected.
I noticed while removing the kernel packages that two other packages went down the drain with them, namely vdo and kmod-vdo. I don't know what they are good for. I know they belong to the "Base" package group.
Should I be worried about some important stuff missing ?