$ iostat 3 5
avg-cpu: %user %nice %system %iowait %steal %idle
27.93 0.00 6.55 4.44 0.00 61.08
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 39.58 1987.97 1360.10 2261558140 1547281856
sdb 40.86 1987.03 1332.68 2260488874 1516084944
sdc 40.65 1980.03 1336.28 2252523284 1520176912
sdd 39.92 1977.34 1337.84 2249469216 1521957664
md5 434.56 4638.72 3155.54 5277111826 3589814920
md3 0.96 2.95 6.90 3354290 7848232
md1 0.00 0.00 0.00 1072 0
avg-cpu: %user %nice %system %iowait %steal %idle
5.67 0.00 5.33 36.92 0.00 52.08
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 192.33 1656.00 2280.00 4968 6840
sdb 213.67 3418.67 1333.33 10256 4000
sdc 221.67 2085.33 1997.33 6256 5992
sdd 211.33 2882.67 1629.33 8648 4888
md5 511.67 4381.33 3402.67 13144 10208
md3 10.67 0.00 85.33 0 256
md1 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %system %iowait %steal %idle
5.83 0.00 3.58 43.67 0.00 46.92
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 183.67 3221.33 1909.33 9664 5728
sdb 186.67 3397.33 1984.00 10192 5952
sdc 192.00 2949.33 2152.00 8848 6456
sdd 182.67 2957.33 1968.00 8872 5904
md5 523.33 4042.67 3762.67 12128 11288
md3 9.33 0.00 74.67 0 224
md1 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %system %iowait %steal %idle
4.48 0.00 2.79 19.61 0.00 73.12
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 222.33 4618.67 2445.33 13856 7336
sdb 222.00 3610.67 2461.33 10832 7384
sdc 226.33 5656.00 1522.67 16968 4568
sdd 208.67 4584.00 1736.00 13752 5208
md5 569.33 10920.00 3968.00 32760 11904
md3 12.33 0.00 98.67 0 296
md1 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %system %iowait %steal %idle
2.31 0.00 2.22 35.67 0.00 59.80
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 195.00 2976.00 2096.00 8928 6288
sdb 189.00 2960.00 2522.67 8880 7568
sdc 182.00 3768.00 1386.67 11304 4160
sdd 177.00 3069.33 1925.33 9208 5776
md5 525.33 5778.67 3808.00 17336 11424
md3 9.67 0.00 77.33 0 232
md1 0.00 0.00 0.00 0 0
