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<H1>[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions</H1>
<B>Pascal Terjan</B>
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TITLE="[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions">pterjan at gmail.com
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<I>Fri Aug 3 12:32:24 CEST 2012</I>
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<PRE>On Fri, Aug 3, 2012 at 11:27 AM, Christiaan Welvaart
<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">cjw at daneel.dyndns.org</A>> wrote:
><i> On Fri, 3 Aug 2012, Colin Guthrie wrote:
</I>><i>
</I>>><i> 'Twas brillig, and Pascal Terjan at 03/08/12 00:40 did gyre and gimble:
</I>>>><i>
</I>>>><i> On Fri, Aug 3, 2012 at 12:23 AM, Pascal Terjan <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">pterjan at gmail.com</A>> wrote:
</I>>>>><i>
</I>>>>><i> On Sun, Jul 22, 2012 at 1:12 AM, Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>>
</I>>>>><i> wrote:
</I>>>>>><i>
</I>>>>>><i> OK, so the packages have now all been uploaded.
</I>>>>>><i>
</I>>>>>><i> You should see several packages now that you cannot install on
</I>>>>>><i> Cauldron.
</I>>>>>><i> This is intended behaviour.
</I>>>>>><i>
</I>>>>>><i> Here is how to update your cauldron systems:
</I>>>>>><i>
</I>>>>>><i> 1. Run "urpmi --auto-update" install everything that can be installed.
</I>>>>>><i> 2. Ensure that latest dracut is installed. Run "urpmi dracut" to make
</I>>>>>><i> sure (it may have been excluded in the --auto-update if it was in a
</I>>>>>><i> transaction with other packages that could not be installed).
</I>>>>>><i> 3. Ensure that you do not have zapata or dpkg installed (rpm -e
</I>>>>>><i> zapata;
</I>>>>>><i> rpm -e dpkg)
</I>>>>>><i> 4. Generate a new initrd and include the conversion script: dracut -f
</I>>>>>><i> -a convertfs
</I>>>>>><i> 5. If you have /usr on a separate partition
</I>>>>>><i> - Ensure there is enough free space to hold /bin, /sbin, /lib and
</I>>>>>><i> /lib64 content.
</I>>>>>><i> - If your /usr is mounted readonly, change your /etc/fstab to
</I>>>>>><i> mount
</I>>>>>><i> it rw.
</I>>>>>><i> 6. Reboot.
</I>>>>>><i> 7. At the bootloader prompt, edit the command line and append: "rw
</I>>>>>><i> rd.convertfs" (without the quotes) to your command line and then boot.
</I>>>>>><i>
</I>>>>>><i> That should be all that is needed :)
</I>>>>><i>
</I>>>>><i>
</I>>>>><i> How to update a chroot?
</I>>>><i>
</I>>>><i>
</I>>>><i> Answering to myself:
</I>>>><i>
</I>>>><i> chroot $chroot urpmi dracut
</I>>>><i> $chroot/usr/lib/dracut/modules.d/30convertfs/convertfs.sh $chroot
</I>>>><i>
</I>>>><i> That did the conversion, but I still can't update, probably because my
</I>>>><i> rpm is too old (rpm-4.9.1.3-2.mga2) as it was not possible to update
</I>>>><i> it before the conversion (it pulls filesystem).
</I>>><i>
</I>>><i>
</I>>><i> Yeah in this case if the conversion is done, I'd just recommend
</I>>><i> installing filesystem --nodeps and the rest should flow. It's not ideal
</I>>><i> certainly, but there is still time to polish this a bit before upgraders
</I>>><i> get hit by this (and as there will be updated rpm packages in the stable
</I>>><i> releases, it should mitigate this specific problem, but we should still
</I>>><i> see if we can do things better)
</I>><i>
</I>><i>
</I>><i> Polish this a bit? It is not at all ready, and as I said earlier rpmlib is
</I>><i> broken. Please don't upload broken rpm packages to stable releases.
</I>><i>
</I>><i> Maybe the instructions should be:
</I>><i> - install dracut and kernel-desktop-latest from mga3
</I>><i> - reboot, make sure the "usrmove filesystem update"
</I>><i> kernel entry is chosen in the bootloader
</I>><i> - upgrade to mga3 as usual
</I>><i>
</I>><i> But that means a lot of things are still missing:
</I>><i> - dracut automatically including the conversion script
</I>><i> (only when needed?)
</I>><i> - automatic generation of the bootloader entry mentioned above
</I>
I would vote to also force the reboot into this entry at next boot
><i> - removal of this bootloader entry after conversion
</I>><i>
</I>><i>
</I>><i> Christiaan
</I></PRE>
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