On Jan 23, 2012, at 7:56 PM, Bryan Kadzban wrote:
> Don't you still need udevd if you want to find the rootfs based on
> config stored in /etc/fstab, and you want to support all the (somewhat
> exotic) options for that, like /dev/disk/by-{id,uuid,label,path}?
You can't find the rootfs based on anything in /etc/fstab, because /etc/fstab
isn't available until you've found the rootfs.
But generally speaking, yes you need a configurable device naming system in
order to get anything other than /dev/sdX.
I'd suggest that "udev in initramfs" could be an add-on/BLFS project for a
"default minimal initramfs" mainline/LFS project. Just like LVM or RAID, if
you've already got an initramfs setup the extra work to add support for a
particular disk technology isn't very complicated -- in many cases I suspect it
could even be "run this script to copy your existing LVM files into your
initramfs".
Zach
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