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Date:      Fri, 4 Jun 1999 13:05:38 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        Riccardo Veraldi <riccardo@righi.ml.org>
Cc:        Kent Stewart <kstewart@3-cities.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: 32-bit filesystem
Message-ID:  <Pine.BSF.4.03.9906041304190.1345-100000@resnet.uoregon.edu>
In-Reply-To: <Pine.BSF.4.10.9906030958540.12815-100000@righi.ml.org>

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On Thu, 3 Jun 1999, Riccardo Veraldi wrote:

> thanks for the hints u gave me.
> but I Wanted to ask if this thing of enabling 32 bit disk access
> could make the system unstable or something.

Possibly.  Some drives don't like it.  I know of drives that don't support
the full number of multi-block-io that they advertise either.

> Why if such speed improovement are obtained it is not included for default
> in the kernel configuration ??

Compatibility.  Again, some drives lie about their capabilities and hang
when you try it.

Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org



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