Public bug reported:
This is with the previous 18.04 daily image (I think it was dated last
week, but I don't currently have access to the ISO I downloaded).
The system seems to recognize Windows dynamic disks as swap space, and
during the installation it tries to format it. For me, this resulted in
a very long installation (that I reset my machine partway through) as it
formatted the 3TB drive I have; the data that was there is now gone. The
default option in the installer when it detects a partition as swap is
to format it; there is no way to say "this partition isn't swap, please
don't format it" and so I was unaware it was being formatted until I
reset my machine and found that there was mysteriously no data there.
Now, this is partly my fault, as I did notice the partition was set to
swap, but as there was no way to *not* format the drive I assumed that
it wasn't actually going to overwrite the entire thing. And I barely
even noticed that the partition was set to swap: the only reason I
noticed at all was because the partition numbering was weird.
Had I not been partitioning manually, however, I feel like the drive
would have been overwritten all the same and I wouldn't have been
notified at all. I've learned my lesson here (that the installer does
absolutely format partitions as swap, even if they were already swap)
but if the guided installation behaves the same way then there will be
people who've done nothing wrong being given the same lesson.
Unfortunately I cannot reasonably test that situation as all the data on
that drive is now gone.
** Affects: ubiquity (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1742829
Title:
Windows dynamic disks are detected as swap space, data overwritten
during installation
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