Disabling Acpi Soft-Off With Chkconfig Management; Disabling Acpi Soft-Off With The Bios - Red Hat ENTERPRISE LINUX 5 - ADMINISTRATION Manual

Chapter 2. Before Configuring a Red Hat Cluster

2.3.1. Disabling ACPI Soft-Off with chkconfig Management

You can use chkconfig management to disable ACPI Soft-Off either by removing the ACPI daemon
(acpid) from chkconfig management or by turning off acpid.
Note
This is the preferred method of disabling ACPI Soft-Off.
Disable ACPI Soft-Off with chkconfig management at each cluster node as follows:
1. Run either of the following commands:
• chkconfig --del acpid — This command removes acpid from chkconfig management.
— OR —
• chkconfig --level 2345 acpid off — This command turns off acpid.
2. Reboot the node.
3. When the cluster is configured and running, verify that the node turns off immediately when
fenced.
Note
You can fence the node with the fence_node command or Conga.

2.3.2. Disabling ACPI Soft-Off with the BIOS

The preferred method of disabling ACPI Soft-Off is with chkconfig management
"Disabling ACPI Soft-Off with chkconfig
effective for your cluster, follow the procedure in this section.
Note
Disabling ACPI Soft-Off with the BIOS may not be possible with some computers.
You can disable ACPI Soft-Off by configuring the BIOS of each cluster node as follows:
1. Reboot the node and start the BIOS CMOS Setup Utility program.
2. Navigate to the Power menu (or equivalent power management menu).
3. At the Power menu, set the Soft-Off by PWR-BTTN function (or equivalent) to Instant-Off (or the
equivalent setting that turns off the node via the power button without delay).
CMOS Setup Utility: Soft-Off by PWR-BTTN set to Instant-Off"
ACPI Function set to Enabled and Soft-Off by PWR-BTTN set to Instant-Off.
14
Management"). However, if the preferred method is not
(Section 2.3.1,
Example 2.1, "BIOS
shows a Power menu with