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Re: Two approaches to data-hiding (for obliterate)

From: Greg Stein <gstein_at_gmail.com>
Date: Thu, 1 Oct 2009 16:54:31 -0400

On Thu, Oct 1, 2009 at 16:07, Julian Foad <julian.foad_at_wandisco.com> wrote:
>...
>>     * Authz is (currenty, brokenly :) a RA-layer-specific optional
>>       feature; obliterate cannot be.
>
> That's not a conceptual difference. Authz is RA-layer-specific just a
> de-facto outcome of how authz was developed. A comparable situation with
> obliterate is that it could be FS-type-specific - implemented for FSFS
> but not BDB or vice versa, and at least it will necessarily have
> different supporting implementations for the two FS types.
>
> Of course users will want obliterate to be available on both FSFS and
> BDB, and as developers we will want the design and implementation to be
> as FS-agnostic as possible, but it will certainly be dependent on if and
> when we implement equivalent things in two back-ends.

I would not be opposed to telling people "you must use FSFS for the
obliterate feature". I'm sure others may feel differently, but there's
my vote/opinion.

Cheers,
-g

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Received on 2009-10-01 22:54:47 CEST

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