Am Freitag, 9. September 2011, 10:06:21 schrieb Nicolas Sebrecht: > The 09/09/11, Michael Schreckenbauer wrote: > > Am Donnerstag, 8. September 2011, 23:44:41 schrieb Alan McKinnon: > > > On Thu, 8 Sep 2011 21:29:40 +0000 > > > > > > Alan Mackenzie <a...@muc.de> wrote: > > > > Would it not be possible to have a minimal /usr tree in the root > > > > partition for udev's use at boot time, and to later mount a more > > > > robust /usr partition over this? What am I missing here? > > > > > > A big problem will be that the package manager cannot easily > > > maintain > > > that "phase 1" code as it's under another mount point. Doing so > > > would > > > require the package manager to bind-mount / somewhere and > > > copy updated binaries of essential packages there as well as into > > > the > > > real /usr. Not an insurmountable problem, it just requires changes > > > to > > > all affected packages, and well within the capabilities of distros. > > > > Couldn't whatever mounts /usr bind-mount this "hidden" /usr somewhere > > (where, I think, could be a good question here) before mounting the > > real one? Then it would be visible even after the real /usr is mounted. > > So, you're asking if it's smart to use yet another path (hidden once > finished to properly boot) to store what is currently stored in /bin and > /sbin... > Remember: the only reason why /bin and /sbin exist is to have tools > available during boot time to mount /usr.
The question arose, when Canek mentioned bluetoothd, that udev seems to need in some cases. If bluetoothd doesn't quite fit to /bin or /sbin (I tend to agree here), but is needed before /usr is mounted, then it has to be put *somewhere*. I don't say, that this is the way to go. Only searching for alternatives to a forced initramfs. Regards, Michael
