Hello. I have upgraded a host to Fedora 28. Using the new dracut to rebuilt initramfs, new kernel and old kernel would fail to boot. If I use the old kernel without touching the initramfs, it would boot. I tried downgrading to old dracut and the problem persist.
The boot problem is that I can see my RAID but it failed to activate the root (/) LVM on the mdraid. It had error message like this in dracut shell: + lvm pvdisplay WARNING: PV mphetV-LMWe-se6x-86Bv-osHk-rVk2-K01UNk on /dev/sdb2 was already found on /dev/sda2. WARNING: PV mphetV-LMWe-se6x-86Bv-osHk-rVk2-K01UNk on /dev/md126 was already found on /dev/sda2. WARNING: PV mphetV-LMWe-se6x-86Bv-osHk-rVk2-K01UNk prefers device /dev/sda2 because device was seen first. WARNING: PV mphetV-LMWe-se6x-86Bv-osHk-rVk2-K01UNk prefers device /dev/md126 because device size is correct. I had opened a bug in Fedora bugzilla, it had all the details: https://bugzilla.redhat.com/show_bug.cgi?id=1575762 Thanks, Patrick
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