Comment 12 for bug 61732

I'm very sorry for this - full recovery is probably not possible, although since formatting doesn't typically erase the entire disk (but just writes new metadata to a few places in it) you may be able to recover some data from the raw disk image. Anyway, this should be fixed for the Edgy beta:

ubiquity (1.1.25) edgy; urgency=high

  * Not knowing the filesystem type for a partition apparently doesn't
    necessarily mean that it's unformatted, so don't format partitions
    without a detected filesystem type (closes: Malone #61732).

 -- Colin Watson <email address hidden> Wed, 27 Sep 2006 16:51:57 +0100