On Thu, Jan 22, 2009 at 10:52 PM, Ibrahim Harrani
<ibrahim.harrani@gmail.com> wrote:
> Hi Craig,
>
> Here is the result. It seems that disk write is terrible!.
>
> root@myserver /usr]# time (dd if=/dev/zero of=bigfile bs=8192
> count=1000000; sync)
>
>
> 1000000+0 records in
> 1000000+0 records out
> 8192000000 bytes transferred in 945.343806 secs (8665630 bytes/sec)
That's pretty horrific. Can you try your disks without the
motherboard RAID controller in the way either singly or using software
RAID?