[linux-lvm] [RFC] dmraid design 1.0.3
Heinz Mauelshagen
mauelshagen at redhat.com
Sat May 29 08:20:47 UTC 2004
On Fri, May 28, 2004 at 10:00:22AM -0700, Kevin P. Fleming wrote:
> Heinz Mauelshagen wrote:
>
> >o do we need to support partitions on RAID sets ?
>
> IMHO the answer is no, because dmpartx (or whatever it's called) can do
> this today. It can use dm tables to slice up any existing block device,
> whether it's a raw disk or a dm-constructed RAID set.
Good, let's see if we get along w/o it.
>
> >Open questions:
> >---------------
> >
> >o do we need to prioritize on device-mapper targets for higher RAID levels
> > (in particular we'ld need RAID5 to support some ATARAID formats) ?
>
> Personally I would be thrilled to see this work move ahead; in fact, I'd
> be happy to see this dmraid tool support the Linux MD metadata so I can
> use dm targets for my MD RAID-1 systems (thereby reducing the amount of
> code I build into my kernel).
Me too ;)
In fact there's an MD metadata format handler template in my
dmraid code base already.
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--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
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Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at RedHat.com +49 2626 141200
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