[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions

[Marianne Lombard]

Le 22/07/2012 02:12, Colin Guthrie a écrit :
> OK, so the packages have now all been uploaded.
>
> You should see several packages now that you cannot install on Cauldron.
> This is intended behaviour.
>
> Here is how to update your cauldron systems:
>
>   1. Run "urpmi --auto-update" install everything that can be installed.
>   2. Ensure that latest dracut is installed. Run "urpmi dracut" to make
> sure (it may have been excluded in the --auto-update if it was in a
> transaction with other packages that could not be installed).
>   3. Ensure that you do not have zapata or dpkg installed (rpm -e zapata;
> rpm -e dpkg)
>   4. Generate a new initrd and include the conversion script: dracut -f
> -a convertfs
>   5. If you have /usr on a separate partition
>       - Ensure there is enough free space to hold /bin, /sbin, /lib and
> /lib64 content.
>       - If your /usr is mounted readonly, change your /etc/fstab to mount
> it rw.
>   6. Reboot.
>   7. At the bootloader prompt, edit the command line and append: "rw
> rd.convertfs" (without the quotes) to your command line and then boot.
An other way for this step is to edit /boot/grub/menu.lst and change the 
line for the first kernel by adding "rw rd.convertfs" (without the 
quotes) and removing "splash quiet" (optionnal)

After the reboot (and the /usr conversion), you need to rollback your 
changes.
>
> That should be all that is needed :)
>
> If you are extra paranoid, or want to see what is going on, then you can
> remove the "splash" and "quiet" options from the kernel too.
>
> If you want to see things in more depth, you can also add
> rd.break=pre-pivot to the kernel. You will be dumped into a shell with
> your / mounted as /sysroot. This shell is *before* conversion. If you
> type "exit" the conversion will be done, and you'll be dumped to another
> shell afterwards. Typing exit once more here will boot the system as normal.
>
>
>
> All the best and good luck!!!
>
> Col
>

My 2 cents

-- 
Marianne (Jehane) Lombard
Geekfeminist and sysadmin