Linux 2.6.32-23-generic (bozo) 	27/07/10 	_i686_	(1 CPU)

Device:            tps    kB_read/s    kB_wrtn/s    kB_read    kB_wrtn
sda               0.53         4.45         3.90    9706667    8499886
sdb               1.39        13.36         4.53   29151467    9885640
scd0              0.00         0.00         0.00      10764          0

Device:            tps    kB_read/s    kB_wrtn/s    kB_read    kB_wrtn
sda               0.00         0.00         0.00          0          0
sdb               5.00         0.00       366.67          0       1100
scd0              0.00         0.00         0.00          0          0

Device:            tps    kB_read/s    kB_wrtn/s    kB_read    kB_wrtn
sda               3.32         0.00        42.52          0        128
sdb               0.00         0.00         0.00          0          0
scd0              0.00         0.00         0.00          0          0