-------------------------------------------- 4 disk  raid5 ---------------------------------------------
root@ubuntu:~# hdparm -t /dev/cciss/c0d0p2

/dev/cciss/c0d0p2:
 Timing buffered disk reads:  200 MB in  3.01 seconds =  66.54 MB/sec
root@ubuntu:~# hdparm -t /dev/cciss/c0d0p1

/dev/cciss/c0d0p1:
 Timing buffered disk reads:  230 MB in  3.00 seconds =  76.58 MB/sec
root@ubuntu:~# hdparm -t /dev/cciss/c0d0p2

/dev/cciss/c0d0p2:
 Timing buffered disk reads:  204 MB in  3.01 seconds =  67.84 MB/sec



root@ubuntu:~# ./seeker /dev/cciss/c0d0p2
Seeker v2.0, 2007-01-15, http://www.linuxinsight.com/how_fast_is_your_disk.html
Benchmarking /dev/cciss/c0d0p2 [101276MB], wait 30 seconds..............................
Results: 129 seeks/second, 7.71 ms random access time
root@ubuntu:~#

--------------------------------------------- 3 disk raid5----------------------------------------------

root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p1

/dev/cciss/c0d0p1:
 Timing buffered disk reads:  260 MB in  3.02 seconds =  86.23 MB/sec

root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p2

/dev/cciss/c0d0p2:
 Timing buffered disk reads:  250 MB in  3.02 seconds =  82.65 MB/sec


root@ubuntu:~# ./seeker /dev/cciss/c0d0p2
Seeker v2.0, 2007-01-15, http://www.linuxinsight.com/how_fast_is_your_disk.html
Benchmarking /dev/cciss/c0d0p2 [29659MB], wait 30 seconds..............................
Results: 138 seeks/second, 7.22 ms random access time


--------------------------------------------- 6 disk raid 1+0--------------------------------------------

root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p1

/dev/cciss/c0d0p1:
 Timing buffered disk reads:  336 MB in  3.00 seconds = 111.90 MB/sec
root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p2

/dev/cciss/c0d0p2:
 Timing buffered disk reads:  340 MB in  3.03 seconds = 112.15 MB/sec

root@ubuntu:~# ./seeker /dev/cciss/c0d0p1
Seeker v2.0, 2007-01-15, http://www.linuxinsight.com/how_fast_is_your_disk.html
Benchmarking /dev/cciss/c0d0p1 [47873MB], wait 30 seconds..............................
Results: 143 seeks/second, 6.98 ms random access time


------------------------------------------- 6 disk raid5 -----------------------------------------------

root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p1

/dev/cciss/c0d0p1:
 Timing buffered disk reads:  272 MB in  3.01 seconds =  90.43 MB/sec
root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p2

/dev/cciss/c0d0p2:
 Timing buffered disk reads:  272 MB in  3.02 seconds =  90.02 MB/sec
root@ubuntu:/home/cateye# hdparm -t /dev/cciss/c0d0p3

/dev/cciss/c0d0p3:
 Timing buffered disk reads:  264 MB in  3.02 seconds =  87.44 MB/sec

root@ubuntu:~# ./seeker /dev/cciss/c0d0p1
Seeker v2.0, 2007-01-15, http://www.linuxinsight.com/how_fast_is_your_disk.html
Benchmarking /dev/cciss/c0d0p1 [48736MB], wait 30 seconds..............................
Results: 177 seeks/second, 5.65 ms random access time