Re: RAID 5 performance issue.

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On Fri, 5 Oct 2007 12:16:07 -0400 (EDT), Justin Piszcz wrote:

> 
> Hm, unfortunately at this point I think I am out of ideas you may
> need to ask the XFS/linux-raid developers how to run blktrace during
> those operations to figure out what is going on.

No problem, cheers.
 
> BTW: Last thing I can think of, did you make any changes to
> PREEMPTION in the kernel, or do you disable it (SERVER)?

I normally have it disabled, but did try with voluntary preemption, but
with no effect.

> Justin.


Andrew
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