Re: SCSI vs. IDE performance test - Mailing list pgsql-general

From Bruce Momjian
Subject Re: SCSI vs. IDE performance test
Date
Msg-id 200310271914.h9RJEfO19779@candle.pha.pa.us
Whole thread Raw
In response to Re: SCSI vs. IDE performance test  (Mike Benoit <mikeb@netnation.com>)
List pgsql-general
Mike Benoit wrote:
> I just ran some benchmarks against a 10K SCSI drive and 7200 RPM IDE
> drive here:
>
> http://fsbench.netnation.com/
>
> The results vary quite a bit, and it seems the file system you use
> can make a huge difference.
>
> SCSI is obviously faster, but a 20% performance gain for 5x the cost is
> only worth it for a very small percentage of people, I would think.

Did you turn off the IDE write cache?  If not, the SCSI drive is
reliable in case of OS failure, while the IDE is not.

--
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