Re: Benchmarks: Linux Kernel RAID vs a Hardware RAID setup

[Ben Martin <monkeyiq@xxxxxxxxxxxxxxxxxxxxx>]

This sounds perfect for an article that compares mobo fakeraid/bois-raid
for RAID-10 (if a board with it can be decided on) and kernel RAID-10. A
line graph of the bonnie xfer stats from say 16kb chunks through 1mb.

If/when I get this happening I'll post a link again to the list.

On Tue, 2008-07-15 at 12:06 -0500, Jon Nelson wrote:
> I would add to that request that you consider using a smaller chunk size.
> My own benchmarks showed that for some raid levels and layouts, a
> smaller chunk size gave the best overall performance.
> 
> 
> On Tue, Jul 15, 2008 at 11:39 AM, Keld Jørn Simonsen <keld@xxxxxxxx> wrote:
> ...
> > It would be interesting if you could enhance your article with benchmarks
> > on raid10, f2 and o2 layouts. I think they would outperform HW raid, at
> > least on input. And I would like to see how they perform on outout and
> > rewrite, with ext3 and xfs. We do have some tests, but many of them are
> > without a file system layer.
> 
> 
>

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