[vox-tech] Raid 1 - Fresh Install - Drives seem slow
Jay Strauss
me at heyjay.com
Thu May 19 08:07:14 PDT 2005
> Right, 2.4 vs 2.6 kernels handle I/O differently, I don't consider dd
> a very good measurement of performance since read/writes to raw
> disk devices (without caches, buffering, ordering, or filesystem) are
> pretty rare.
Oh, so it very well may be an apples to oranges comparison?
>
>
>>So Knoppix is configuring something different, I'm searching for the
>>difference
>
>
> I'd point at both the readahead and the large difference in kernel.
Right now I'm comparing the contents of /proc/ide/hda from both installs
to see if something sticks out. I'll take your word on the readahead
and kernel version. If I dont find anything in the contents of
/proc/ide/hda, I'll drop the issue
Thanks for the help
Jay
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