Re: Linux RAID subsystem future

From: NeilBrown
Date: Thu Jul 12 2012 - 16:35:09 EST


On Thu, 12 Jul 2012 13:28:24 -0700 Drew <drew.kay@xxxxxxxxx> wrote:

> > Hello lists,
> >
> > I noticed recent patches added MD RAID compatibility into the DM
> > subsystem. Is there a valid reason to duplicate efforts ?
> >
> > Hopefully its not silent preparation step for DM takeover. Can someone
> > shed more light on this topic ?
> >
> > TIA, Z.
>
> I'm not a developer by any stretch of the word so take what I say with
> a grain of salt.
>
> I think it's more just a case of dm using md's RAID algorithms, which
> IMHO are better tested, to support fakeraid controllers like Intel's
> Matrix RAID. Besides, we're all one big happy linux family so why not
> borrow your brother's socks? :-)
>
>
Indeed!

It isn't duplication of effort - it is avoiding or removing duplication of
effort. That's the theory any way.

There is no "DM takeover" - just engineers working together to try to find
optimal solutions.

NeilBrown

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