--- On Thu, 7/30/09, John Doe jdmls@yahoo.com wrote:
From: John Doe jdmls@yahoo.com Subject: Re: [CentOS] Grub fallback problem To: "CentOS mailing list" centos@centos.org Date: Thursday, July 30, 2009, 3:53 AM From: Matthias Blankenhaus matthiasblankenhaus@yahoo.com
The problem is that the fallback does not work for
me. For instance, if I
specify on purpose a wrong root device with the NEW
OS, e.g. root=/dev/sda3,
then the kernel panics and reboots properly after 5
sec. However, grub then
attempts to boot the NEW OS all over again. The
same is true when I fully boot
NEW OS with the right root device and then panic the
kernel on purpose.
Now, I have read somewhere that grub requires a
default file to get
the savedefault feature working. However, I
could neither find the
'savedefault' command nor the grub default file under
/boot/grub or
anywhere else. One more thing, when I choose the
boot title manually
then grub seems to remember my last choice. In
other words, grub is
preserving my last choice from a previous boot.
Not sure if you already read this: http://www.gnu.org/software/grub/manual/html_node/Booting-fallback-systems.h...
John, thanx for your reply.
Yes, I did read this and modified my grub.conf accordingly. However, the link you've sent me contains a reference to grub-set-default, which seems to be no longer part of the grub rpm. This is one part of the problem. The second one, as mentioned above, is that grub seems not to preserve the fallback state across reboots.
Still puzzled, Matthias
JD
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