Date: Tue, 30 Sep 2003 00:45:47 +0800 From: Edy Lie <email@edylie.net> To: "Kenneth D. Merry" <ken@kdm.org> Cc: freebsd-scsi@freebsd.org Subject: Re: Benchmark Raid 5 SCSI U160 Message-ID: <1064853947.604.61.camel@ps2.consoledojo.com> In-Reply-To: <20030929151151.GA5603@panzer.kdm.org> References: <1064847130.604.58.camel@ps2.consoledojo.com> <20030929151151.GA5603@panzer.kdm.org>
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The following is the benchmark result using 4000M
File './Bonnie.67508', size: -100663296
Writing with putc()...done
Rewriting...done
Writing intelligently...done
Reading with getc()...done
Reading intelligently...done
Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done...
-------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
ANUBIS 4000 3957 8.7 3873 3.2 2893 2.6 26865 85.9 36310 16.9
309.5 3.3
What do you guys think about the result ?
PS. the reason why i asked because would like to make sure that the SCSI
performs as what it has been told.
Thank you.
Cheers,
Ed
On Mon, 2003-09-29 at 23:11, Kenneth D. Merry wrote:
> On Mon, Sep 29, 2003 at 22:52:10 +0800, Edy Lie wrote:
> > Greetings,
> >
> > I have done a benchmark on the following configuration.
> >
> > RAID 5 SCSI U160 Benchmark
> >
> > The following is the benchmark result
> > OS: FreeBSD 4.8p4
> > Dual 1GHZ Proc
> > 1GB ECC RAM
> > 18GBx5 (RAID5) 10K RPM
> > Adaptec 2100s (32MB ECCRAM)
> > Software: bonnie
> > parameter: bonnie -m ANUBIS -s 100M
> >
> > -------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
> >
> > ANUBIS 100 3959 7.9 4065 2.8 3763 2.5 33936 100.0 497807 100.0 39277.7
> > 198.5
> >
> > I do not have other to compare. what do you guys think about the result
> > ?
>
> I assume you're going through the filesystem? If so, you need to make sure
> that your test file size is a good bit larger than your memory size. 100MB
> won't quite do the trick. You need something like a 4GB file to make sure
> you aren't really getting any caching effects, especially on reads.
>
> You can tell you're hitting the cache on the block sequential reads. A
> single channel Ultra160 RAID controller can't do 498MB/sec.
>
> Ken
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