imss:/tmp # ./iostat 
Linux 2.6.5-7.244-smp (imss)    11/28/07

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          35.79    0.00    2.52   39.21    0.00   22.48

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              85.14      4678.55       902.28   23136062    4461888

imss:/tmp # 


imss:/tmp # ./iostat -x
Linux 2.6.5-7.244-smp (imss)    11/28/07

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          39.16    0.00    2.42   37.10    0.00   21.32

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
sda               9.92    75.73 44.81 38.17  4373.80   911.34    63.69    20.81  250.73  10.45  86.73