Philipp, you have some different problem which should be filed separately. Note that it is generally not possible to edit partitions while you have partitions mounted on the same disk (e.g. you're running from an installation on the same disk); you often need to use a live CD instead.
Philipp, you have some different problem which should be filed separately. Note that it is generally not possible to edit partitions while you have partitions mounted on the same disk (e.g. you're running from an installation on the same disk); you often need to use a live CD instead.