avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.00    0.00    0.15    8.73    0.00   91.12

Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await r_await w_await  svctm  %util
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00    0.00    0.00   0.00   0.00
sdb              39.60    39.80   41.20   76.40   323.20   324.00    11.01     0.72    6.10    6.46    5.91   5.40  63.46
sdc              22.00    20.60    3.00   40.40   100.00   103.20     9.36     0.13    2.99   16.07    2.02   1.05   4.56
sdd              31.60    47.80   11.40   51.00   172.00   255.20    13.69     0.31    5.35    7.86    4.78   2.05  12.78
sde              23.60    26.60   46.20   78.40   279.20   279.20     8.96     0.68    5.42    4.30    6.08   4.39  54.70
sdf               0.00     0.00    0.80   36.00     3.20     3.20     0.35     0.01    0.32    9.75    0.11   0.29   1.06
md0               0.00     0.00    0.00  121.00     0.00   484.00     8.00     0.00    0.00    0.00    0.00   0.00   0.00