Managing HP Serviceguard A.11.20.00 for Linux, June 2012

Table 10 Verifying Cluster Components (continued)
CommentsTool or Command; More InformationComponent (Context)
Commands check that all nodes
are be accessing the same
cmcheckconf (1m), cmapplyconf
(1m)
Lock LUN (cluster)
physical device and that the lock
LUN device file is a block device
file
To check file consistency across all
nodes in the cluster, do the
following:
Commands check that the
mount-point directories specified
cmcheckconf (1m), cmapplyconf
(1m)
Mount points (package)
in the package configuration file
See also “Verifying the Package
Configuration” (page 214).
exist on all nodes that can run the
package.
Commands check that files
specified by service commands
cmcheckconf (1m), cmapplyconf
(1m)
Service commands (package)
exist and are executable. Service
See also “Verifying the Package
Configuration” (page 214).
commands whose paths are nested
within an unmounted shared file
system are not checked.
Commands check that all IP
addresses configured into the
cmcheckconf (1m), cmapplyconf
(1m)
IP addresses (cluster)
cluster are in each node's /etc/
hosts.
cmcheckconf (1m), cmapplyconf
(1m)
Package IP addresses (package)
See also “Verifying the Package
Configuration” (page 214).
For LVM only, commands check
that file systems have been built on
cmcheckconf (1m), cmapplyconf
(1m)
File systems (package)
the logical volumes identified by
See also “Verifying the Package
Configuration” (page 214).
the fs_name parameter
(page 170).
cmcheckconf (1m), cmapplyconf
(1m)
Generic resources (package)
See also “Verifying the Package
Configuration” (page 214).
A non-zero return value from any
script will cause the commands to
fail.
cmcheckconf (1m), cmapplyconf
(1m)
External scripts and pre-scripts
(modular package)
Managing the Cluster and Nodes
This section describes the following tasks:
• Starting the Cluster When all Nodes are Down (page 190)
• Adding Previously Configured Nodes to a Running Cluster (page 190)
• Removing Nodes from Participation in a Running Cluster (page 191)
• Halting the Entire Cluster (page 191)
• Automatically Restarting the Cluster (page 191)
• Halting a Node or the Cluster while Keeping Packages Running (page 192)
Managing the Cluster and Nodes 189