10-07-2009
Server won't boot up ... no GRUB menu
I dont know what the heck happen but one of our DBAs was working on a cluster for oracle. Rebooted the box and viola, the OS won't load. After the POST message, I get a blinking cursor on the upper left hand corner. Doesn't even say "GRUB" or anything, it just blinks.
I tried going into rescue mode and re-installing GRUB but that didnt help. We even broke down the array just to check and that didn't help. I'm out of ideas. The data appears to be intact since I was able to chroot into the image when I boot off the CD. Any ideas?
RHEL AS 4.7
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LEARN ABOUT LINUX
grub-mkrescue
GRUB-MKRESCUE(1) User Commands GRUB-MKRESCUE(1)
NAME
grub-mkrescue - make a GRUB rescue image
SYNOPSIS
grub-mkrescue [OPTION] SOURCE...
DESCRIPTION
Make GRUB rescue image.
-h, --help
print this message and exit
-v, --version
print the version information and exit
-o, --output=FILE
save output in FILE [required]
--modules=MODULES
pre-load specified modules MODULES
--rom-directory=DIR
save rom images in DIR [optional]
--xorriso=FILE
use FILE as xorriso [optional]
--grub-mkimage=FILE
use FILE as grub-mkimage
--diet apply size reducing measures [optional]
grub-mkrescue generates a bootable rescue image with specified source files, source directories, or mkisofs options listed by: xorriso -as
mkisofs -help
Option -- switches to native xorriso command mode.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
Mail xorriso support requests to <bug-xorriso@gnu.org>.
SEE ALSO
grub-mkimage(1)
The full documentation for grub-mkrescue is maintained as a Texinfo manual. If the info and grub-mkrescue programs are properly installed
at your site, the command
info grub-mkrescue
should give you access to the complete manual.
grub-mkrescue (GRUB) 1.99-12ubuntu5 October 2011 GRUB-MKRESCUE(1)