Benchmark Raid 5 SCSI U160

[Matthew Whalen]

For reference, here it is from one of my machines:

tangelo# bonnie -s 4000M
File './Bonnie.56300', 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
         4000 10423 19.4 10277  6.2  5959  4.7 25851 68.2 30003 14.7 167.0  1.6 

Athlon 900
Raid 5
Mylex AcceleRAID 170

I can try it with a Dell Perc3/DC tomorrow on an Athlon 700 if it'd help.

-matthew



I think I heard Edy Lie say:
>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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