Public bug reported:
Binary package hint: grub2
I have seen this happen twice now, and still don't have a work-around short of
a system reinstallation.
It has happened both in grub and grub2, in several releases of Ubuntu up to
9.10.
The problem happens when the OS is transferred from one disk to another.
After that, whenever a kernel update is applied, the UUID of the old disk is
written into the
grub configuration files, instead of that of the disk on which grub is
installed.
This results of course in an un-bootable system.
In each case, the old disk was physically removed, nowhere to be found.
So basically, whatever is reporting this UUID is just wrong.
I think I also tried specifying the disk by filesystem labels in the grub
config files.
But the updater ignores my instructions of where to find the system disk, and
keeps looking for the departed disk.
It would be helpful if the updater would at least check whether the existing
filesystems specified make sense, before replacing them with ones that don't.
I don't even know where this old UUID is kept. I tried grep'ing for it with no
results.
(It would help a lot if it were simply published where to find the old UUID, so
it can be corrected).
Cheers!
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
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grub update gets wrong UUID after disk change
https://bugs.launchpad.net/bugs/517997
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