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From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@DeepCore.dk>
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To: Jason DiCioccio <jd@ods.org>
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Subject: Re: Serial ATA, Write Caching and Soft-Updates
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Jason DiCioccio wrote:
> Greetings!
>  I'm just asking this question mainly out of curiosity.  However, I kno=
w=20
> that Serial ATA drives can support 'native command queuing' (an improve=
d=20
> version of tagged command queuing apparently).  As a result, are serial=
=20
> ATA drives safe to use in a soft-updates+write caching enabled setup?  =

> Do they suffer from the same write caching issues that the PATA drives =

> suffered from?

First off we (or rather I) need to grow support for NCQ, and in most=20
cases you will need a controller that supports it as well.
As to the suffering, no idea yet, havn't had any NCQ capable HW in the=20
lab yet.

--=20

-S=F8ren