Grub / Boot Problem

McDougall, Marshall (FSH) MarMcDouga at
Mon May 17 08:25:00 CDT 2004


Try booting with the Linux cd to rescue mode, login as root and run grub.
Once you have the grub prompt, type "find /boot/grub/stage1" or "find
/grub/stage1" depending on the pathing, without the quotes. The command
should return something to the effect of (hd0,0).  At the prompt, type "root
(hd0,0)" or whatever was returned in the previous command, and hit enter.
Again at the prompt type "setup (hd0)".  That should reinstall the grub boot
loader. Quit out of grub, exit out of rescue mode and reboot.  You should be
good to go. HTH

Regards, Marshall

-----Original Message-----
From: nospam at [mailto:nospam at] 
Sent: Friday, May 14, 2004 3:13 PM
To: linux-poweredge at
Subject: Grub / Boot Problem

Greetings List,

I am having difficulties getting my PowerEdge 2400 to boot under a brand
new RedHat ES 3.0 install.  The system is hanging before booting (after
POST) with just the word GRUB and a blinking curser.

I have been able to boot into rescue mode and have tried grub-install
/dev/sda and grub-install --recheck /dev/sda with no luck.  Here is some
additional info:

fdisk -l /dev/sda:

Disk /dev/sda: 9173 MB, 9173114880 bytes
255 heads, 63 sectors/track, 1115 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/sda1   *         1        13    104391   83  Linux

cat /etc/grub/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 (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/sdg3
#          initrd /initrd-version.img
title Red Hat Enterprise Linux ES (2.4.21-9.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.4.21-9.ELsmp ro root=LABEL=/
        initrd /initrd-2.4.21-9.ELsmp.img
title Red Hat Enterprise Linux ES-up (2.4.21-9.EL)
        root (hd0,0)
        kernel /vmlinuz-2.4.21-9.EL ro root=LABEL=/
        initrd /initrd-2.4.21-9.EL.img

df -h:

Filesystem            Size  Used Avail Use% Mounted on
/dev/sdg3            1012M  198M  763M  21% /
/dev/sde1              15G   33M   14G   1% /app/oracle
/dev/sda1              99M   15M   79M  16% /boot
none                 1012M  198M  763M  21% /dev/shm
/dev/sdh1             2.0G   33M  1.9G   2% /home
/dev/sdg1             2.0G   33M  1.9G   2% /opt
/dev/sdf2            1012M   33M  928M   4% /tmp
/dev/sdd1              17G   33M   16G   1% /u01
/dev/sdc1              17G   33M   16G   1% /u02
/dev/sdf1             2.9G  1.5G  1.3G  53% /usr
/dev/sdh2            1012M   63M  898M   7% /var
/dev/sdg2            1012M   33M  928M   4% /var/log

If anyone has any suggestions for things I might try to fix this, I would
be most appreciative.



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