I/O throughput analysis

[Scott Sullivan]

If you have the option of physical testing the two configurations, build 
them out and run bonnie++.
bonnie++ is a program designed to test harddisk performance.
This is an argument best settled with test data, if it is in your means.


On 01/22/2011 02:28 PM, William Muriithi wrote:
> Hello pals,
>
> A workmate and I had an argument that we could not seem to agree on
> yesterday. That mean we did not learn anything from the discussion and
> I would like to hear your opinion on it. It could help make sense of
> each other arguments
>
> Which of these two systems would have a better input output
> performance?  Both system have the same configurations, CPU, chipset
> everything down the power supply. They differ though with the number
> of hard disk.  Both system has a RAID card with a maximum speed of 6
> GB per sec
>
> System A  has 6 drives. Each drive has a specification of 1500 RPM,
> 300 GB size SAS interface.
>
> System B has 8 drives.  Each drive is 146GB in size, 1500 RPM and also
> with a SAS interface.
>
> SAS interface can comfortably handle 3 GB per second.
>
> So, in your opinion, is the RAID card a potential bottleneck on both systems?
>
> Which of the two system would offer a better throughput ?
>
> Regards,
>
> William
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-- 
Scott Sullivan
--
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