RE: Filesystem type survives formatting in debian installer?
oops forgot to send this to the list
> The problem does not relate to d-i per se. What's happening is that luks
> creates its header in the first bytes of the partition (so generally at
> bytes 0 - 300 or so).
> ext3 any some other file systems create their header at an offset of 2
> blocks (or 1024 bytes).
this sounds like a bug in mke2fs to me, it is not cleaning up the sectors before its header and as a result the partition gets misrecognised.