[Mageia-dev] udev in initrd and/or using dracut (LVM root fs related)

Wed Oct 19 16:00:09 CEST 2011

On 19 October 2011 15:20, Colin Guthrie <mageia at colin.guthr.ie> wrote:
+> In testing a more extensive use of systemd (i.e. using it to mount
+> filesystems etc. rather than using rc.sysinit) I've run into a few
+> problems regarding the fact that my LVM is activated in the initrd.
+>
+> Due to this, various entries in the udev db are not set. systemd uses
+> these missing bits to launch the local-fs.target and thus fails (even if
+> it's just my /home that is broken which won't really be needed).
+>
+> I've been told in various discussions with upstream that ultimately we
+> need to use udev in the initrd. It seems that fedora and suse at least
+> do this.
+>
+> I can work around it of course (we do so just now) but I'd like to get
+> things working as "natively" as possible with systemd if possible.
+>
+> So should we:
+>
+>  a) Try to incorporate udev into our mkinitrd?
+>  b) Switch to dracut
+>
+> I'm not an expert at this stuff, but I know that Mandriva has started
+> using dracut more and I think it's likely the best solution overall
+> seeing as it's Fedora's preferred mechanism too.
+>
+> But I didn't want to start looking at it until there is some consensus
+> on this - hence this email.
+
+I think we shall not support the mkinitrd burden only by ourselves
+If all other are switching to dracut, we may have to too
+At some point, we'd extensive changes (by Luca?) for detecting MD/DM/LV,
+dunno if drakcut is ready to replace?
+