Messages in this thread | | | Date | Sat, 21 Jan 2006 01:01:42 +0100 | From | Heinz Mauelshagen <> | Subject | Re: [PATCH 000 of 5] md: Introduction |
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On Fri, Jan 20, 2006 at 11:57:24PM +0100, Lars Marowsky-Bree wrote: > On 2006-01-20T19:36:21, Heinz Mauelshagen <mauelshagen@redhat.com> 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 --
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Heinz Mauelshagen Red Hat GmbH Consulting Development Engineer Am Sonnenhang 11 Cluster and Storage Development 56242 Marienrachdorf Germany Mauelshagen@RedHat.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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