[EMAIL PROTECTED] wrote:
> Here's stats from a VA Research VARserver 3000 which uses the Mylex
> DAC960PG-8M:
>
> -------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
> 1024 4799 23.8 5053 4.9 3611 9.6 12344 50.5 14878 22.8 186.6 2.0
> 1900 5194 25.8 5048 4.9 3506 9.4 12595 51.7 14682 22.7 134.5 1.5
>
> This is in a RAID-5 config with 5 9gb UW drives in a dual PII-450 with
> 512mb RAM running kernel 2.2.2-smp.
I really like software raid5....and no one has convinced me not to
yet....
> Have others noticed that increasing the file size with bonnie seriously
> decreases the random seeks/s measurement?
Yep, that's because the seeks are performed inside the file, so the
larger the file, the farther apart the random seeks can be, the lower
the number per second.
--
Doug Ledford <[EMAIL PROTECTED]>
Opinions expressed are my own, but
they should be everybody's.
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