Comment 1 for bug 600729

The behavior of gparted in Ubuntu 10.10 alpha 2 continues. At this state, 10.10 cannot be installed unless the target partition(s) is pre-formatted. At the point of formatting the installation will fail.

The bootloader, however will be accepted and installed to the raid drive. The progress message, however, will erroneously state that the bootloader is being installed on sda (a very minor issue considering)?

My conclusions are as previously stated that the problem is with the kernel or boot process since the same version of gparted works fine with earlier Ubuntu versions. Also the interoperability of the 10.10 alpha 2 remains much improved.