I guess module ioatdma is missing in Centos 7:-
00:16.1 System peripheral: Intel Corporation 5520/5500/X58 Chipset QuickData Technology Device (rev 22) Subsystem: NEC Corporation Device 8372 Kernel driver in use: ioatdma Kernel modules: ioatdma
# lsmod Module Size Used by autofs4 27000 3 sunrpc 267620 1 8021q 20362 0 garp 7152 1 8021q stp 2218 1 garp llc 5418 2 garp,stp cpufreq_ondemand 10544 8 acpi_cpufreq 7763 1 freq_table 4936 2 cpufreq_ondemand,acpi_cpufreq mperf 1557 1 acpi_cpufreq ipt_REJECT 2351 2 nf_conntrack_ipv4 9186 2 nf_defrag_ipv4 1483 1 nf_conntrack_ipv4 iptable_filter 2793 1 ip_tables 17831 1 iptable_filter ip6t_REJECT 4340 2 nf_conntrack_ipv6 7985 2 nf_defrag_ipv6 26468 1 nf_conntrack_ipv6 xt_state 1492 4 nf_conntrack 79537 3 nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state ip6table_filter 2889 1 ip6_tables 18732 1 ip6table_filter ipv6 336282 77 ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6 uinput 8120 0 microcode 112205 0 power_meter 9009 0 acpi_ipmi 3745 1 power_meter ipmi_si 46440 2 acpi_ipmi ipmi_msghandler 40044 2 acpi_ipmi,ipmi_si iTCO_wdt 7278 0 iTCO_vendor_support 3056 1 iTCO_wdt sg 29318 0 i2c_i801 12881 0 lpc_ich 13571 0 mfd_core 1927 1 lpc_ich ioatdma 53955 24 i7core_edac 17948 0 edac_core 46645 3 i7core_edac igb 191907 0 dca 7101 2 ioatdma,igb i2c_algo_bit 5711 1 igb i2c_core 29132 3 i2c_i801,igb,i2c_algo_bit ptp 9614 1 igb pps_core 10690 1 ptp ext4 379655 4 jbd2 93252 1 ext4 mbcache 8193 1 ext4 sr_mod 15049 0 cdrom 39085 1 sr_mod sd_mod 37158 2 crc_t10dif 1209 1 sd_mod ahci 43154 2 dm_mirror 14864 1 dm_region_hash 12085 1 dm_mirror dm_log 9930 3 dm_mirror,dm_region_hash dm_mod 102467 22 dm_mirror,dm_log
# modinfo dmraid ERROR: modinfo: could not find module dmraid