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<H1>[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions</H1>
<B>Christiaan Welvaart</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20ANNOUNCE%3A%20The%20/usr%20move%20cometh%21%20%3C----%20Instructions&In-Reply-To=%3Calpine.LMD.2.02.1208031217520.20527%40zem.cjw.nep%3E"
TITLE="[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions">cjw at daneel.dyndns.org
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<I>Fri Aug 3 12:27:37 CEST 2012</I>
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<PRE>On Fri, 3 Aug 2012, Colin Guthrie wrote:
><i> 'Twas brillig, and Pascal Terjan at 03/08/12 00:40 did gyre and gimble:
</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> 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>> wrote:
</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 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 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 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> How to update a chroot?
</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> 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>
Polish this a bit? It is not at all ready, and as I said earlier rpmlib is
broken. Please don't upload broken rpm packages to stable releases.
Maybe the instructions should be:
- install dracut and kernel-desktop-latest from mga3
- reboot, make sure the "usrmove filesystem update"
kernel entry is chosen in the bootloader
- upgrade to mga3 as usual
But that means a lot of things are still missing:
- dracut automatically including the conversion script
(only when needed?)
- automatic generation of the bootloader entry mentioned above
- removal of this bootloader entry after conversion
Christiaan
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