Re: [Evms-announce] EVMS announcement

Arjan van de Ven (arjanv@redhat.com)
06 Nov 2002 14:59:08 +0100


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On Wed, 2002-11-06 at 14:55, Alan Cox wrote:
> On Wed, 2002-11-06 at 00:16, Lars Marowsky-Bree wrote:
> > Now, an interesting question is whether the md modules etc will simply =
be
> > continued to be used or whether they'll make use of the DM engine too? =
Can
> > they be made "plugins" to DM or the EVMS framework? Or even, could EVMS=
(in
> > theory) parse the meta-data from a legacy md device and just setup a DM
> > mapping for it? That would appeal to me quite a bit. I really need to s=
tart
> > reading up on it...
>=20
> I'm certainly hoping to kill off ataraid/pdcraid/hptraid by using device
> mapper and md

absolutely. The biggest issue with this is that DM needs to be able to
handle chunks where 1 page is split across 2 strides on disk... if/once
DM (and BIO) can deal with that the rest isn't hard...

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