| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | mikeb(at)netnation(dot)com |
| Cc: | Stephen <jleelim(at)xxxxxx(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: SCSI vs. IDE performance test |
| Date: | 2003-10-27 19:14:41 |
| Message-ID: | 200310271914.h9RJEfO19779@candle.pha.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | 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.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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