Re: [gentoo-dev] devfs is dead, let's move on

[Martin Schlemmer]

On Sat, 2005-07-09 at 20:34 +0200, Richard Fish wrote:
> >>>I.o.w. is it still necessary to have RC_DEVICE_TARBALL="yes" as a
> >>>default or can we move to a pure udev system and change the default to
> >>>"no".
> >>>
> >>>
> >>I've been running my boxes successfully with "no" since the option
> >>showed up just fine :)
> >>
> >>
> >>
> >
> >I think people is under a misconception about this option and ... you
> >really only need to enable this for a driver that is not sysfs aware
> >(nvidia comes to mind - any others?), or if you have some custom nodes
> >in /dev that you cannot do via udev ...  And I am pretty sure (correct
> >me if I am wrong) that all (or most?) in-kernel drivers are sysfs aware,
> >and only a handful outside are not.
> >
> >
> >
>
> Well, I do have a small issue with the software RAID (md) driver, in
> that when autodetection is not performed by the driver (due to either
> being a module or booting the system through an initramfs), no sysfs
> entries or device nodes are created.
>
> Normally my RAID system is brought up inside my initramfs with static
> nodes, so this really only affects my recovery CD, where I need to run:
>
>     for d in 0 1 2 3; do
>         /sbin/mdadm --assemble --config=partitions --auto=md
> --super-minor=$d /dev/md$d >/dev/null 2>&1
>     done
>
> Maybe something similar will be required in /sbin/rc, like you currently
> do for LVM and the device mapper?  It isn't a critical problem
> though...I am pretty sure there are only a few Gentoo users who will
> ever see this...maybe as few as 1!!!
>

Mike, what do you think?  This viable?  We could maybe add an init addon
for md, and move the lvm/whatever stuff to that as well?


-- 
Martin Schlemmer
Gentoo Linux Developer, Desktop/System Team Developer
Cape Town, South Africa