node_exporter/collector/fixtures/proc/diskstats

   1       0 ram0 0 0 0 0 0 0 0 0 0 0 0
   1       1 ram1 0 0 0 0 0 0 0 0 0 0 0
   1       2 ram2 0 0 0 0 0 0 0 0 0 0 0
   1       3 ram3 0 0 0 0 0 0 0 0 0 0 0
   1       4 ram4 0 0 0 0 0 0 0 0 0 0 0
   1       5 ram5 0 0 0 0 0 0 0 0 0 0 0
   1       6 ram6 0 0 0 0 0 0 0 0 0 0 0
   1       7 ram7 0 0 0 0 0 0 0 0 0 0 0
   1       8 ram8 0 0 0 0 0 0 0 0 0 0 0
   1       9 ram9 0 0 0 0 0 0 0 0 0 0 0
   1      10 ram10 0 0 0 0 0 0 0 0 0 0 0
   1      11 ram11 0 0 0 0 0 0 0 0 0 0 0
   1      12 ram12 0 0 0 0 0 0 0 0 0 0 0
   1      13 ram13 0 0 0 0 0 0 0 0 0 0 0
   1      14 ram14 0 0 0 0 0 0 0 0 0 0 0
   1      15 ram15 0 0 0 0 0 0 0 0 0 0 0
   7       0 loop0 0 0 0 0 0 0 0 0 0 0 0
   7       1 loop1 0 0 0 0 0 0 0 0 0 0 0
   7       2 loop2 0 0 0 0 0 0 0 0 0 0 0
   7       3 loop3 0 0 0 0 0 0 0 0 0 0 0
   7       4 loop4 0 0 0 0 0 0 0 0 0 0 0
   7       5 loop5 0 0 0 0 0 0 0 0 0 0 0
   7       6 loop6 0 0 0 0 0 0 0 0 0 0 0
   7       7 loop7 0 0 0 0 0 0 0 0 0 0 0
   8       0 sda 25354637 34367663 1003346126 18492372 28444756 11134226 505697032 63877960 0 9653880 82621804
   8       1 sda1 250 0 2000 36 0 0 0 0 0 36 36
   8       2 sda2 246 0 1968 32 0 0 0 0 0 32 32
   8       3 sda3 340 13 2818 52 11 8 152 8 0 56 60
   8       4 sda4 25353629 34367650 1003337964 18492232 27448755 11134218 505696880 61593380 0 7576432 80332428
 252       0 dm-0 59910002 0 1003337218 46229572 39231014 0 505696880 1158557800 0 11325968 1206301256
 252       1 dm-1 388 0 3104 84 74 0 592 0 0 76 84
 252       2 dm-2 11571 0 308350 6536 153522 0 5093416 122884 0 65400 129416
 252       3 dm-3 3870 0 3870 104 0 0 0 0 0 16 104
 252       4 dm-4 392 0 1034 28 38 0 137 16 0 24 44
 252       5 dm-5 3729 0 84279 924 98918 0 1151688 104684 0 58848 105632
 179       0 mmcblk0 192 3 1560 156 0 0 0 0 0 136 156
 179       1 mmcblk0p1 17 3 160 24 0 0 0 0 0 24 24
 179       2 mmcblk0p2 95 0 760 68 0 0 0 0 0 68 68
   2       0 fd0 2 0 16 80 0 0 0 0 0 80 80
 254       0 vda 1775784 15386 32670882 8655768 6038856 20711856 213637440 2069221364 0 41614592 2077872228
 254       1 vda1 668 85 5984 956 207 4266 35784 32772 0 8808 33720
 254       2 vda2 1774936 15266 32663262 8654692 5991028 20707590 213601656 2069152216 0 41607628 2077801992
  11       0 sr0 0 0 0 0 0 0 0 0 0 0 0
 259       0 nvme0n1 47114 4 4643973 21650 1078320 43950 39451633 1011053 0 222766 1032546
 259       1 nvme0n1p1 1140 0 9370 16 1 0 1 0 0 16 16
 259       2 nvme0n1p2 45914 4 4631243 21626 1036885 43950 39451632 919480 0 131580 940970