iostat-busy

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          14.21    0.00   11.47   54.11    0.00   20.20

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
sda              29.00   104.00 69.00 76.00  1272.00  1664.00    20.25    35.83  287.32   6.91 100.20
sda1              0.00     0.00  0.00  0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda2              0.00     4.00  2.00 20.00    16.00   192.00     9.45    14.42  698.91  45.55 100.20
sda3              0.00     2.00 44.00  3.00   352.00    40.00     8.34     2.42   63.77  21.32 100.20
sda4              0.00     0.00  0.00  0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda5              0.00     4.00  0.00  1.00     0.00    40.00    40.00     0.15  137.00 146.00  14.60
sda6              0.00     0.00  0.00  0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda7             29.00     0.00 23.00 22.00   904.00   240.00    25.42     8.86  326.62  22.27 100.20
sda8              0.00    94.00  0.00 30.00     0.00  1152.00    38.40     9.99  281.77  33.40 100.20
sdb               0.00  9352.00  0.00 145.00     0.00 128000.00   882.76   129.16 1087.48   6.91 100.20
sdb1              0.00  9352.00  0.00 145.00     0.00 128000.00   882.76   129.16 1087.48   6.91 100.20
sdc             580.00     0.00 332.00  0.00 134048.00     0.00   403.76     0.64    1.92   1.84  61.20
sdc1            580.00     0.00 332.00  0.00 134048.00     0.00   403.76     0.64    1.92   1.84  61.20