Benchmark Raid 5 SCSI U160

[Edy Lie]

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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