Messages in this thread | | | Date | Tue, 16 Mar 2004 15:17:01 -0800 (PST) | From | markw@osdl ... | Subject | Re: lvm2 performance data with linux-2.6 |
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On 16 Mar, bill davidsen wrote: > In article <20040311142515.A27177@osdlab.pdx.osdl.net>, > Mark Wong <markw@osdl.org> wrote: > | On Thu, Mar 11, 2004 at 05:12:35PM -0500, Bill Davidsen wrote: > > | > Here's one thought: look at the i/o rates on individual drives using > | > each stripe size. You *might* see that one size does far fewer seeks > | > than others, which is a secondary thing to optimize after throughput IMHO. > | > > | > If you don't have a tool for this I can send you the latest diorate > | > which does stuff like this, io rate perdrive or per partition, something > | > I occasionally find revealing. > | > | Yeah, please do send me a copy. I'd be interested to see what that might > | turn up. I've just been using iostat -x so far. > > Okay, I posted the pointer a few days ago to LKML, did you get a chance > to try it? And if so, did it tell you anything?
I've grabbed it but I haven't had a chance to try it yet. Hopefully later today or tomorrow.
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