Am 2019-08-05 12:24, schrieb Ralf Prengel: > Hallo, > has anyone a hint how to use an Adaptec RAID 51645 under Centos 7? > > A volume is created using the controller interface but isn't active > under centos. > > Thanks for hintsts > Ralf That's a pretty old RAID controller. Kernel module support for such old cards have been dropped by RHEL. Check the ELrepo for a matching package. https://elrepo.org/tiki/kmod-aacraid should be a fit. Alexander