Re: raid5 performance question

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From: Neil Brown <neilb@xxxxxxx>
Date: Tue, Mar 07, 2006 at 09:24:26AM +1100
> You can also try increasing the size of the stripe cache in
>    /sys/block/mdX/md/stripe_cache_size
> 
> The units are in pages (normally 4K) per device.  The default is 256 which fits
> only one stripe with a 1 Meg chunk size.
> 
> Try 1024 ?
> 
Interesting. I noticed I don't have such a file for my raid6 device. Can
you explain why? I thought raid6 and raid5 worked a lot like each other.

Thanks,
Jurriaan
-- 
So I must behave with haste and dishonor to serve the political ambitions
of men that I never vowed, before the Lord, to serve and honor. I must be
pretty and delicate and happy and perfect; I must accord his passing no
mourning, and no loss.
	Michelle West - The Broken Crown
Debian (Unstable) GNU/Linux 2.6.16-rc5-mm2 5503 bogomips load 0.06
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