[CentOS] Grub fallback problem
John Doe
jdmls at yahoo.com
Thu Jul 30 10:53:45 UTC 2009
From: Matthias Blankenhaus <matthiasblankenhaus at 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.html#Booting-fallback-systems
JD
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