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Description of problem: I have an existing install of F15 which I want to upgrade to F16 Beta. Using both preupgrade and a DVD install, anaconda does not find the existing LVM system and thus will not upgrade. I have previously upgraded F13->F14 and previous versions on this LVM layout, although F15 was a fresh install into the existing LVM layout. Version-Release number of selected component (if applicable): How reproducible: Every time! Steps to Reproduce: 1. Run preupgrade 2. Reboot when asked 3. Wait for anaconda to load or: 1. Boot from DVD install media 2. Wait for anaconda to start Actual results: "Upgrade root not found" or No option to upgrade, anaconda goes straight into fresh install mode Expected results: Anaconda finds the existing system and is able to upgrade it. Additional info: I can click through the install process and anaconda will happily find the LVs, which can be overwritten with a fresh install if I so wish. I want to upgrade though instead! I have tried vgchange -ay and then mounting the LV containing the current install root to /mnt/sysimage. Restarting anaconda with the LVs mounted causes it to crash.
Having seen Bug 748119 I think this might be because I have /var on a different LV to / Can anaconda not find fstab from the existing install and use it to determine what to mount to find RPM db? I will try to move /var/lib/rpm/* into the / partition and see if it works.
If you have a separate /var, then yes this is definitely a dupe. *** This bug has been marked as a duplicate of bug 748119 ***