Again, please stop mailing me directly. On 08/16/2016 07:23 AM, Fawzy Ibrhim wrote: > I guess module ioatdma is missing in Centos 7:- I don't think so. I see that module on the host I checked. None of the missing modules appear to be related to RAID: autofs4, cpufreq_ondemand, freq_table, mperf, ipv6, microcode, power_meter. Can you post the output of "dmesg" on your CentOS 6 system here: https://paste.fedoraproject.org/