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

Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sda               0.53         0.00         0.00       9482       8302
sdb               1.39         0.01         0.00      28468       9672
scd0              0.00         0.00         0.00         10          0

Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sda              98.01         0.59         0.05          1          0
sdb               0.00         0.00         0.00          0          0
scd0              0.00         0.00         0.00          0          0

Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sda             113.33         0.73         0.00          2          0
sdb               1.00         0.00         0.01          0          0
scd0              0.00         0.00         0.00          0          0