On 25/05/20 18:25, Thomas Grawert wrote: > Unfortunately the raid is not mountable (cannot read superblock), even > readonly. So it´s impossible to run a backup of stored data, for now. > > Any help is highly appreciated. https://raid.wiki.kernel.org/index.php/Linux_Raid#When_Things_Go_Wrogn Especially https://raid.wiki.kernel.org/index.php/Asking_for_help More will follow but we need this info. Cheers, Wol