On Fri, Jan 20, 2006 at 11:53:06AM +0100, Lars Marowsky-Bree wrote:
> On 2006-01-19T21:17:12, Phillip Susi <[email protected]> wrote:
>
> > I am under the impression that dm is simpler/cleaner than md. That
> > impression very well may be wrong, but if it is simpler, then that's a
> > good thing.
>
> That impression is wrong in that general form. Both have advantages and
> disadvantages.
>
> I've been an advocate of seeing both of them merged, mostly because I
> think it would be beneficial if they'd share the same interface to
> user-space to make the tools easier to write and maintain.
>
> However, rewriting the RAID personalities for DM is a thing only a fool
> would do without really good cause.
Thanks Lars ;)
> Sure, everybody can write a
> RAID5/RAID6 parity algorithm. But getting the failure/edge cases stable
> is not trivial and requires years of maturing.
>
> Which is why I think gentle evolution of both source bases towards some
> common API (for example) is much preferable to reinventing one within
> the other.
>
> Oversimplifying to "dm is better than md" is just stupid.
>
>
>
> Sincerely,
> Lars Marowsky-Brée
>
> --
> High Availability & Clustering
> SUSE Labs, Research and Development
> SUSE LINUX Products GmbH - A Novell Business -- Charles Darwin
> "Ignorance more frequently begets confidence than does knowledge"
>
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Regards,
Heinz -- The LVM Guy --
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Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
Cluster and Storage Development 56242 Marienrachdorf
Germany
[email protected] +49 2626 141200
FAX 924446
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