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+ <H1>[Mageia-discuss] can bootable partitions be detected during installation?</H1>
+ <B>blind Pete</B>
+ <A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20can%20bootable%20partitions%20be%20detected%20during%0A%09installation%3F&In-Reply-To=%3Cglha79-m4d.ln1%40psd.motzarella.org%3E"
+ TITLE="[Mageia-discuss] can bootable partitions be detected during installation?">0123peter at gmail.com
+ </A><BR>
+ <I>Thu May 3 16:34:55 CEST 2012</I>
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+<PRE>Wolfgang Bornath wrote:
+
+&gt;<i> 2012/5/2 blind Pete &lt;0123peter-
+</I><A HREF="https://www.mageia.org/mailman/listinfo/mageia-discuss">Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org</A>&gt;:
+
+This is about a month too late for M2, maybe for M3...
+
+&gt;&gt;&gt;<i> Have I missed an installation option? Should this be a feature
+</I>&gt;&gt;&gt;<i> request - or a bug report? M2b3 &quot;lost&quot; my Ubuntu installation.
+</I>&gt;&gt;&gt;<i> It was a quick and easy thing for me to recover from, but it could
+</I>&gt;&gt;&gt;<i> torment a newbie.
+</I>&gt;&gt;<i>
+</I>&gt;&gt;<i> I think a bug report about not finding Ubuntu.
+</I>&gt;<i>
+</I>&gt;<i> No bug report necessary because the reasons (grub / grub2) are known
+</I>&gt;<i> and will not be fixed.
+</I>
+I have found the errata,
+&lt;<A HREF="https://wiki.mageia.org/en/Mageia_2_Errata">https://wiki.mageia.org/en/Mageia_2_Errata</A>&gt;.
+It says that the steps that used to work,
+&lt;<A HREF="http://docteam.mageia.nl/installer/content/setupBootloaderExpert.html">http://docteam.mageia.nl/installer/content/setupBootloaderExpert.html</A>&gt;
+might not work any more.
+
+As far as I can see there are many possible fixes. Maybe there
+are some disk mapping problems that I don't know about.
+Here is one fix:
+
+1. Rememeber which installation has &quot;control&quot; of the mbr.
+(If you can't remember - reinstall a boot loader and
+this time pay attention to which installation is running
+when you do it.)
+
+2. Boot each of the installations, except for the one that
+has &quot;control&quot; of the mbr, and install a boot loader to its
+root partition.
+
+3. Boot the installation that has &quot;control&quot; of the mbr and
+install install a boot loader to its root partition.
+
+4a. If the code below has made its way to the Mageia installer,
+install Mageia and put the boot loader on the mbr (the default).
+You are finished.
+
+4b. If the Mageia installer is unchanged, install Mageia and
+put the boot loader on the mbr (the default). Use drakboot
+to *add* an entry for each of the other installations.
+(LiLo, GRUB and GRUB2 all count as &quot;Other OS&quot;, not &quot;Linux&quot;.)
+You are finished.
+
+&gt;&gt;<i> blkid /dev/sdaN -o export | grep LABEL
+</I>&gt;&gt;<i> if [ 0 == $? ]
+</I>&gt;&gt;<i> then
+</I>&gt;&gt;<i> title $(blkid /dev/sdaN -o value | sed s/\ .*//)
+</I>&gt;&gt;<i> else
+</I>&gt;&gt;<i> title /dev/sdaN
+</I>&gt;&gt;<i> root (sd0,N-1)
+</I>&gt;&gt;<i> chainloader +
+</I>
+TYPO: that should be &quot;+1&quot; not &quot;+&quot;.
+
+&gt;<i> Nice.
+</I>Thanks.
+
+&gt;<i> But at which moment/occasion would you need that?
+</I>When do you use the installer?
+Incompetent user: every month.
+Tester: every week.
+Mageia user: every nine months.
+
+&gt;<i> Only once when
+</I>&gt;<i> you install the distribution which you think will stay the longest and
+</I>&gt;<i> whos bootloader will go into MBR. After that you don't need it any
+</I>&gt;<i> more because you will have to add new distributions manually to the
+</I>&gt;<i> list.
+</I>You can use drakboot as it is now to add &quot;things to be chainloaded&quot;
+to the list.
+
+--
+blind Pete
+Sig goes here...
+
+</PRE>
+
+
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