[SATLUG] Grub hell

Borries Demeler demeler at biochem.uthscsa.edu
Mon Nov 23 12:18:53 CST 2015


On Mon, Nov 23, 2015 at 11:30:54AM -0600, Bruce Dubbs wrote:
> I don't understand it, but at least I can make it work reproducibly this
> way.
> 
> > I am glad I played around with it enough to come across this solution by
> > random
> > trial and error. Very frustrating, and not documented anywhere I could
> > find.
> > Moreover, the CentOS installation process configured it incorrectly by
> > default.
> > Here is my fixed grub.conf:
> >
> > # grub.conf generated by anaconda
> > #
> > # Note that you do not have to rerun grub after making changes to this file
> > # NOTICE:  You have a /boot partition.  This means that
> > #          all kernel and initrd paths are relative to /boot/, eg.
> > #          root (hd1,0)
> > #          kernel /vmlinuz-version ro root=/dev/sdb2
> > #          initrd /initrd-[generic-]version.img
> > #boot=/dev/sdb1
> > default=0
> > timeout=5
> > splashimage=(hd0,0)/grub/splash.xpm.gz <--- was written as (hd1,0) by
> > CentOS installer
> > hiddenmenu
> > title CentOS 6 (2.6.32-573.el6.x86_64)
> >         root (hd0,0) <---was written as (hd1,0) by CentOS installer
> >         kernel /vmlinuz-2.6.32-573.el6.x86_64 ro root=/dev/sdb2 rd_NO_LUKS
> > rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16
> > crashkernel=auto  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet
> >         initrd /initramfs-2.6.32-573.el6.x86_64.img
> >
> > Go figure!
> >
> > ???Your system is using GRUB Legacy, not GRUB2.  There is no such thing as
> (hd0,0) in GRUB2.  You are at least 5 years out of date.
> 
>   -- Bruce???
> --
CentOS 6.7 End of Life: November 30th, 2020. No need to follow
the latest gimmick. I'll retire before then.

-b. 



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