iostat -x

Linux 4.4.0-112-generic (database)      02/22/2018      _x86_64_        (1 CPU)

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          17.61    0.01    3.41   10.65    0.16   68.16

Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await r_await w_await  svctm  %util
vda               0.38    30.52  222.24   10.83 15423.62   903.40   140.10     1.19    5.09    2.66   54.93   0.77  17.87
scd0              0.00     0.00    0.00    0.00     0.00     0.00     8.00     0.00    1.78    1.78    0.00   1.78   0.00