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3.3. Disabling ACPI Completely in the
The preferred method of disabling ACPI Soft-Off is with
"Disabling ACPI Soft-Off with
for your cluster, you can disable ACPI Soft-Off with the BIOS power management
"Disabling ACPI Soft-Off with the
you can disable ACPI completely by appending
the
file.
grub.conf
Important
This method completely disables ACPI; some computers do not boot correctly if
ACPI is completely disabled. Use this method only if the other methods are not
effective for your cluster.
You can disable ACPI completely by editing the
1. Open
/boot/grub/grub.conf
2. Append
to the kernel boot command line in
acpi=off
Example 2.11, "Kernel Boot Command Line with
3. Reboot the node.
4. When the cluster is configured and running, verify that the node turns off immediately when
fenced.
Tip
You can fence the node with the
# 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.
#
all kernel and initrd paths are relative to /boot/, eg.
#
root (hd0,0)
#
kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
#
initrd /initrd-version.img
#boot=/dev/hda
default=0
timeout=5
serial --unit=0 --speed=115200
terminal --timeout=5 serial console
Disabling ACPI Completely in the
Management"). If the preferred method is not effective
chkconfig
BIOS"). If neither of those methods is effective for your cluster,
acpi=off
grub.conf
with a text editor.
fence_node
File
grub.conf
management
chkconfig
to the kernel boot command line in
file of each cluster node as follows:
/boot/grub/grub.conf
Appended to
acpi=off
command or Conga.
This means that
grub.conf
(Section 3.1,
(Section 3.2,
(refer to
It").
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