gistfile1.txt

top
top - 05:55:30 up 4 min,  1 user,  load average: 1.70, 0.64, 0.24
Tasks: 636 total,   2 running, 634 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.0 us,  3.8 sy,  0.0 ni, 96.1 id,  0.0 wa,  0.0 hi,  0.1 si,  0.0 st
KiB Mem : 13191929+total, 13082048+free,   642052 used,   456764 buff/cache
KiB Swap:  9764860 total,  9764860 free,        0 used. 13038808+avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
 1444 root      20   0       0      0      0 R 100.0  0.0   1:15.48 md1_raid10
11914 root      20   0       0      0      0 D  42.9  0.0   0:33.65 md1_resync

started echo check > /sys/block/md1/md/sync_action

mdstat:
[root@spare-a17484327407661 rovchinnikov]# cat /proc/mdstat
Personalities : [raid1] [raid10] [raid6] [raid5] [raid4]
md1 : active raid10 sdk[4] sdh[1] sdi[2] sdo[8] sdx[17] sdn[7] sdw[16] sdj[3] sdv[15] sdt[13] sdy[18] sdl[5] sdu[14] sdg[0] sdz[19] sdr[11] sds[12] sdq[10] sdp[9] sdm[6]
      17580330880 blocks super 1.2 64K chunks 2 near-copies [20/20] [UUUUUUUUUUUUUUUUUUUU]
      [>....................]  check =  0.7% (139327296/17580330880) finish=217.3min speed=1337282K/sec
      
kernel:
[root@spare-a17484327407661 rovchinnikov]# cat /proc/version
Linux version 4.11.3-1.el7.elrepo.x86_64 (mockbuild@Build64R7) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Fri May 26 09:19:46 EDT 2017