Tests done with the hard disks

Using instruction hdparm: (hdparm -t /dev/md0) which the determine max reading speed of a raid set.

Juliano  : --chunk 16
           Timing buffered disk reads:  368 MB in  3.02 seconds = 121.85 MB/sec
           Timing buffered disk reads:  386 MB in  3.01 seconds = 128.41 MB/sec 

Didius   : --chunk 16
           Timing buffered disk reads:  640 MB in  3.00 seconds = 213.10 MB/sec
           Timing buffered disk reads:  688 MB in  3.01 seconds = 228.74 MB/sec 

Tetricus : --chunk 16
           Timing buffered disk reads:  358 MB in  3.02 seconds = 118.74 MB/sec
           Timing buffered disk reads:  368 MB in  3.00 seconds = 122.65 MB/sec

Maximus  : --chunk 16
           Timing buffered disk reads:  366 MB in  3.02 seconds = 121.36 MB/sec
	   Timing buffered disk reads:  364 MB in  3.01 seconds = 121.14 MB/sec

Pertinax:  --chunk 2048
           Timing buffered disk reads:  708 MB in  3.00 seconds = 235.99 MB/sec
           --chunk 1024
           Timing buffered disk reads:  726 MB in  3.00 seconds = 241.64 MB/sec          
           --chunk 512
           Timing buffered disk reads:  706 MB in  3.00 seconds = 235.25 MB/sec
           --chunk 256
	   Timing buffered disk reads:  656 MB in  3.00 seconds = 218.61 MB/sec
	   --chunk 128
	   Timing buffered disk reads:  618 MB in  3.01 seconds = 205.57 MB/sec
           --chunk 64
	   Timing buffered disk reads:  578 MB in  3.00 seconds = 192.51 MB/sec
	   --chunk 32
	   Timing buffered disk reads:  354 MB in  3.01 seconds = 117.50 MB/sec
	   --chunk 16
	   Timing buffered disk reads:  226 MB in  3.01 seconds =  75.10 MB/sec
	   --chunk 8
	   Timing buffered disk reads:  170 MB in  3.03 seconds =  56.15 MB/sec

	   /dev/sda:
	   Timing buffered disk reads:  224 MB in  3.01 seconds =  74.31 MB/sec

Abidal: /dev/md0
	   Timing buffered disk reads:  1418 MB in  3.01 seconds = 471.76 MB/sec