root@BULL-SRV01:/home/bullhill# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md127 : active raid6 sdk[8] sdj[7] sdb[6] sde[2] sdd[1] sdc[0] sdf[3]
      19534435840 blocks super 1.2 level 6, 512k chunk, algorithm 2 [7/7] [UUUUUUU]
      bitmap: 0/30 pages [0KB], 65536KB chunk

unused devices: <none>
root@BULL-SRV01:/home/bullhill# resize2fs /dev/md127
resize2fs 1.42.12 (29-Aug-2014)
resize2fs: New size too large to be expressed in 32 bits