linux-kernel - Re: Why is NCQ enabled by default by libata? (2.6.20)

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Date:	Wed, 28 Mar 2007 10:42:47 -0400
From:	Phillip Susi <psusi@....rr.com>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
CC:	linux@...izon.com, htejun@...il.com, jeff@...zik.org,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Why is NCQ enabled by default by libata? (2.6.20)

Justin Piszcz wrote:
> I would try with write-caching enabled.
> Also, the RAID5/RAID10 you mention seems like each volume is on part of
> the platter, a strange setup you got there :)

Shouldn't NCQ only help write performance if write caching is 
_disabled_?  Since write cache essentially is just non tagged command 
queuing?

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