[Mageia-dev] ANN: Dracut now mounts /usr properly \o/

Fri Dec 16 10:58:31 CET 2011

On 16.12.2011 00:14, Colin Guthrie wrote:
+> OK, so this took me a while to actually get around to setting up some
+> VMs to test this. Sorry about that :s
+> 
+> Anyway, I've tested with a / on ext4 + /usr on LVM + ext4.
+> 
+> With appropriate fixes, I was able to generate an initrd without any
+> specific config to tell dracut what to do. There is a caveat. /usr is
+> mounted read only. I can tweak this, but by the same token I'm not sure
+> I should... It's trivial to do a "mount -o remount,rw /usr" if you want
+> to install packages etc. Otherwise, /usr should pretty much be read only
+> anyway.. if something tries to modify stuff on /usr that's not part of a
+> package installation process that is (IMO) a bug and should be fixed.
+
+IMO init scripts should mount /usr as rw unless /etc/fstab instructs to
+mount it as read-only.
+
+> The code for mounting /usr is not the same as how it'll (eventually) be
+> done upstream. It only deals with /usr and if you have e.g. /usr/bin on
+> a separate partition they you are SOL and will have to wait for the
+> upstream version.
+> 
+> I think however that for the majority of setups the current solutions is
+> likely good enough.
+> 
+> 
+> Now, when I installed, dracut wasn't used as initrd, so if no one shouts
+> too loudly I'll make it deprecate mkinitrd tomorrow and we can test
+> installs where dracut generates the first initrd and see how it fairs.
+> 
+> Please test and let me know. It's version 014.1mga2
+> 
+> Col
+> 
+> 
+
+
+-- 
+Anssi Hannula
+