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[rhn-users] grub.conf and ping(live-os) multi-boot



i've been trying to "... put the PING ISO into my harddisk and boot from it..." as discussed at "http://ping.windowsdream.com/ping/doc-2.01/annex.html";. i've tried to modify /boot/grub/grub.conf (in red hat enterprise linux 5) to be similar to the lilo.conf on the website mentioned (grub.conf pasted at bottom of email. Red hat still loads fine, however, ping boots until it gets to the RAMDISK and VFS lines, here is the error my screen displays just before freezing up.

RAMDISK: Compressed image found at block 0
RAMDISK: incomplete write (-28 !=32768) 4194304
VFS: Cannot open root device "<NULL>" or unknown-block(3,2)
Please append a correct "root=" boot option; here are the available partitions
0800 97685784 sda driver: sd
0801 27985784 sda1
0802         1 sda2
0805  24994557 sda5
0806   4466038 sda6
0807  14673346 sda7
0808  25559383 sda8
0b00   1048575 sr0 driver: sr
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(3,2)

please let me know what I can do to make both partitions boot. thanks in advance, earl

####################################grub.conf############################################
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that all kernel and initrd paths are relative to /, eg.
#          root (hd0,0)
#          kernel /boot/vmlinuz-version ro root=/dev/sda1
#          initrd /boot/initrd-version.img
#boot=/dev/sda
default=0
timeout=60
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux Client (2.6.18-128.1.16.el5)
  root (hd0,0)
kernel /boot/vmlinuz-2.6.18-128.1.16.el5 ro root=LABEL=rhel5 rhgb quiet crashkernel=128M 16M
  initrd /boot/initrd-2.6.18-128.1.16.el5.img
title Red Hat Enterprise Linux Client (2.6.18-128.1.10.el5)
  root (hd0,0)
kernel /boot/vmlinuz-2.6.18-128.1.10.el5 ro root=LABEL=rhel5 rhgb quiet crashkernel=128M 16M
  initrd /boot/initrd-2.6.18-128.1.10.el5.img
title Red Hat Enterprise Linux Client (2.6.18-120.el5)
  root (hd0,0)
kernel /boot/vmlinuz-2.6.18-120.el5 ro root=LABEL=rhel5 rhgb quiet crashkernel=128M 16M
  initrd /boot/initrd-2.6.18-120.el5.img
############## below is what i've modified #########

title PING restore
   root (hd0,0)
kernel /boot/ping.kernel append="pxe init=/linuxrc root=/dev/ram0 rw noapic nolapic lba devfs=nomount ramdisk_size=33000 load_ramdisk=1 prompt_ramdisk=0"
   initrd /boot/ping.initrd.gz
title ping (/restore)
  rootnoverify (hd0,6)
kernel /kernel append="pxe init=/linuxrc root=/dev/ram0 rw noapic nolapic lba devfs=nomount ramdisk_size=33000 load_ramdisk=1 prompt_ramdisk=0"
  label=restore
  initrd /initrd.gz




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