[systemd-devel] Cannot mount anything after recovering and redoing boot mbr

[Felix Miata]

ccox at endlessnow.com composed on 2015-07-27 16:35 (UTC-0500):

> A "root" is getting mounted and I figure it's the same but will double
> check (away from system right now).  Would some kind of root getting
> mounted at startup and being different from root in /etc/fstab make some
> sort of difference?  Would that cause manual mounts of old style
> nonportable dev shortnames (e.g. mount /dev/sda7 /mnt) to fail with the
> error of "busy" when done at the command line? (from emergency shell).

> I may just back the data off and do a reinstall.  So if anyone can chime
> in with other things to try, please do it now before I have to blow it all
> away.

As for things to try I would reduce fstab to one line for /, then try booting
normally. I've seen dracut at various times hard code swap or other partition
UUIDs that become out of sync with what's on the HD following updates or
restoring from backup, e.g.:
http://bugzilla.opensuse.org/show_bug.cgi?id=936964 & cf.
http://lists.opensuse.org/opensuse/2015-07/msg00080.html
https://bugzilla.redhat.com/show_bug.cgi?id=1187007
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