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

[Luca Berra]

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:
> 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?