Messages in this thread | | | Date | Wed, 6 Nov 2002 15:24:21 +0100 | From | Jens Axboe <> | Subject | Re: [Evms-announce] EVMS announcement |
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On Wed, Nov 06 2002, Arjan van de Ven wrote: > 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 start > > > reading up on it... > > > > 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
Especially because the code is so ugly :-)
> 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...
That's a helper that's been on my todo for a long time, so it should be pending very shortly..
-- Jens Axboe
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