Re: SATA II and PCI-X vs PCI for Areca ARC-1110 RAID Adapter

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Thu, 8 May 2008, Jukka Marin wrote:
> On Thu, May 08, 2008 at 08:02:48AM +0200, Christoph Egger wrote:
> > And now try:
> >
> > time dd if=/dev/zero of=foo bs=1m count=1 seek=10000  :-)
>
> # time dd if=/dev/zero of=foo bs=1m count=1 seek=10000
> 1+0 records in
> 1+0 records out
> 1048576 bytes transferred in 0.005 secs (209715200 bytes/sec)
> 0.000u 0.006s 0:00.00 0.0%      0+0k 0+5io 0pf+0w
>
> I can run bonnie if someone gives me a good command line to copy-paste ;)
>
>              -------Sequential Output-------- ---Sequential Input-- --Random--
>              -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
>          256 155102 91.7 306138 86.8 316600 79.7 201552 99.9 834144 100.0 
> 5489.0 96.7

The test block size should be greater than your RAM.

So if you have 1024MB RAM, try bonnie -s 2048

--
Stephen