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<H1>[Mageia-dev] udev in initrd and/or using dracut (LVM root fs related)</H1>
<B>Luca Berra</B>
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TITLE="[Mageia-dev] udev in initrd and/or using dracut (LVM root fs related)">bluca at comedia.it
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<I>Thu Oct 20 21:05:21 CEST 2011</I>
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<PRE>I switched from mkinitrd to dracut on all systems using lvm in order to
prevent these very issues
actually in mandriva i pushed for migrating to dracut
i would suggest doing the same thing with mageia
On 19/10/11 16:00, Thierry Vignaud wrote:
><i> On 19 October 2011 15:20, Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>> wrote:
</I>>><i> In testing a more extensive use of systemd (i.e. using it to mount
</I>>><i> filesystems etc. rather than using rc.sysinit) I've run into a few
</I>>><i> problems regarding the fact that my LVM is activated in the initrd.
</I>>><i>
</I>>><i> Due to this, various entries in the udev db are not set. systemd uses
</I>>><i> these missing bits to launch the local-fs.target and thus fails (even if
</I>>><i> it's just my /home that is broken which won't really be needed).
</I>>><i>
</I>>><i> I've been told in various discussions with upstream that ultimately we
</I>>><i> need to use udev in the initrd. It seems that fedora and suse at least
</I>>><i> do this.
</I>>><i>
</I>>><i> I can work around it of course (we do so just now) but I'd like to get
</I>>><i> things working as "natively" as possible with systemd if possible.
</I>>><i>
</I>>><i> So should we:
</I>>><i>
</I>>><i> a) Try to incorporate udev into our mkinitrd?
</I>>><i> b) Switch to dracut
</I>>><i>
</I>>><i> I'm not an expert at this stuff, but I know that Mandriva has started
</I>>><i> using dracut more and I think it's likely the best solution overall
</I>>><i> seeing as it's Fedora's preferred mechanism too.
</I>>><i>
</I>>><i> But I didn't want to start looking at it until there is some consensus
</I>>><i> on this - hence this email.
</I>><i> I think we shall not support the mkinitrd burden only by ourselves
</I>><i> If all other are switching to dracut, we may have to too
</I>><i> At some point, we'd extensive changes (by Luca?) for detecting MD/DM/LV,
</I>><i> dunno if drakcut is ready to replace?
</I>
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