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SubjectRe: Proposed enhancements to MD
On Tue, Jan 13, 2004 at 05:44:22PM -0500, Wakko Warner wrote:
> > > Adaptec has been looking at the MD driver for a foundation for their
> > > Open-Source software RAID stack.
> >
> > Hi,
> >
> > Is there a (good) reason you didn't use Device Mapper for this? It
> > really sounds like Device Mapper is the way to go to parse and use
> > raid-like formats to the kernel, since it's designed to be independent
> > of on disk formats, unlike MD.
>
> As I've understood it, the configuration for DM is userspace and the kernel
> can't do any auto detection. This would be a "put off" for me to use as a
> root filesystem. Configurations like this (and lvm too last I looked at it)
> require an initrd or some other way of setting up the device. Unfortunately
> this means that there's configs in 2 locations (one not easily available, if
> using initrd. easily != mounting via loop!)

the kernel is moving into that direction fast, with initramfs etc etc...
It's not like the userspace autodetector needs configuration (although it
can have it of course)
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