On Fri, Jan 20, 2006 at 11:57:24PM +0100, Lars Marowsky-Bree wrote:
> On 2006-01-20T19:36:21, Heinz Mauelshagen <[email protected]> wrote:
>
> > > Then 'dmraid' (or a similar tool) can use 'dm' interfaces for some
> > > raid levels and 'md' interfaces for others.
> > Yes, that's possible but there's recommendations to have a native target
> > for dm to do RAID5, so I started to implement it.
>
> Can you answer me what the recommendations are based on?
Partner requests.
>
> I understand wanting to manage both via the same framework, but
> duplicating the code is just ... wrong.
>
> What's gained by it?
>
> Why not provide a dm-md wrapper which could then
> load/interface to all md personalities?
>
As we want to enrich the mapping flexibility (ie, multi-segment fine grained
mappings) of dm by adding targets as we go, a certain degree and transitional
existence of duplicate code is the price to gain that flexibility.
>
> 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"
Warm regards,
Heinz -- The LVM Guy --
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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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