Le 15.8.2012 20:37, Thor Lancelot Simon a écrit :
On Wed, Aug 15, 2012 at 08:29:33PM +0200, moda wrote:Hello,I made a simple test with a 1950 server and Perc 5/i SAS Raid ControlerSomething is wrong with your test results - are you sure you didn't pasteeither the NetBSD or OpenBSD iostat output twice? They should not be identical. Thor
Better like this : the configuration is RAID1 Netbsd 5.1.2 x64 = 13MB/s tin tout KB/t t/s MB/s KB/t t/s MB/s us ni sy in id 0 61 0.00 0 0.00 63.36 223 13.78 0 0 1 0 99 0 184 0.00 0 0.00 63.58 224 13.89 0 0 2 0 98 0 61 0.00 0 0.00 64.00 216 13.49 0 0 2 0 98 0 61 0.00 0 0.00 64.00 223 13.92 0 0 1 0 99 # time dd if=/dev/zero of=/tmp/16g bs=65536 count=262144 ^C5755+0 records in 5754+0 records out 377094144 bytes transferred in 30.275 secs (12455628 bytes/sec) 30.29s real 0.00s user 0.60s system ------------------------------------------------------- OpenBSD = 105MB/s # iostat -w 1 tty sd0 cd0 cpu tin tout KB/t t/s MB/s KB/t t/s MB/s us ni sy in id 0 3 31.77 3 0.09 0.00 0 0.00 0 0 0 0100 0 172 32.00 3389 105.91 0.00 0 0.00 0 0 11 1 88 0 61 32.00 3539 110.59 0.00 0 0.00 0 0 37 2 61 0 60 32.00 3532 110.37 0.00 0 0.00 0 0 0 2 98 0 60 32.00 3433 107.27 0.00 0 0.00 0 0 50 1 49 0 60 32.00 3515 109.84 0.00 0 0.00 0 0 0 1 99 0 60 32.00 3429 107.17 0.00 0 0.00 0 0 43 5 52 0 61 32.00 3565 111.41 0.00 0 0.00 0 0 6 0 94 0 60 32.00 3426 107.05 0.00 0 0.00 0 0 12 2 86 0 60 32.00 3531 110.33 0.00 0 0.00 0 0 38 2 60