Problem with superblock magic

Hello,

I've send an email two days ago but got no response, so I am trying again, maybe the mail didn't make it through.
After I updated from Suse 8.1 to 8.2 my software raid doesn't do autorun anymore. I somehow got a bad magic number in the superblock of /dev/md0. The superblocks of all the partitions which form the raid are ok.
Any idea how I can rewrite only the superblock on /dev/md0 ?

Thx

Christian

P.S The update from 8.0 to 8.1 worked fine. No trouble there. --
Christian Feddern
[email protected]