Siard grabbed a keyboard and wrote: > David Guntner wrote: >> I suppose it exists on the partition in a sense, but within the >> filesystem, it lives as /backup/etc/debian_version. /backup is the >> only mounted filesystem on /dev/sdb1. > > To have os-prober find an OS, that OS does not have to be mounted. > If an OS is found in sdb1, it could mean that some grub.cfg or > menu.lst exists there; that's where it gets information from. > However, I understand that the existence of /etc/debian-version in > sdb1 is the most likely cause. > > But if the cause cannot be undone, there is still a way to have sdb1 > ignored. Line 40 of /etc/grub.d/30_os-prober looks like this: > > OSPROBED="`os-prober | tr ' ' '^' | paste -s -d ' '`" > > Now insert '| grep --invert-match sdb1' after 'os-prober', so it > looks like this: > > OSPROBED="`os-prober | grep --invert-match sdb1 | tr ' ' '^' | paste -s -d ' '`" > > After an 'update-grub' the sdb1 entry will be gone from the Grub menu. That did it, thanks! --Dave
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