On Sat, 12 May 2012 19:54:24 -0500 Canek Peláez Valdés <can...@gmail.com> wrote:
> On Sat, May 12, 2012 at 7:43 PM, Alex Schuster <wo...@wonkology.org> > wrote: > > Hi there! > > > > I'm using the new udev with a separate /usr partition. > > How do you create your initramfs? The new udev (>= 182, I believe) > requires the use of an initramfs if you have a separated /usr. > > > It was encrypted, > > and it seems there is no solution yet for this. > > dracut has two modules, crypt and crypt-gpg, that maybe do what you > are needing. > > > so I moved it over to an > > unencrypted volume - no problem, /usr is one partition where > > encryption does not make that much sense anyway. Works, but after > > an unclean shutdown (reading files in /proc/<pid>/ was not a good > > idea) /usr wants to be fsck'ed. But it is already mounted at that > > stage. > > That's the reason you need an initramfs. No, that's the reason you want the filesystem's fsck to be included in the initramfs. > > The boot process just continues, but I wonder what one should do to > > make the fsck run. Except for using a live cd. > > With an initramfs. Using initramfs is necessary but itself not sufficient. One can create an initramfs (from scratch) that does nothing but mount /usr (with only busybox and a few /dev nodes, plus whatever other tools needed to find /usr, viz. lvm, cryptsetup and friends, assuming the necessary drivers are built in the kernel and not as modules --- see e.g. the old gentoo wiki at http://www.gentoo-wiki.info/HOWTO_Custom_Initramfs_From_Scratch ). The initramfs needs to have the relevant fsck tools (plus dependencies) if it was to perform fsck. Kerwin.
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