Planning and Configuring HP DCE 1.8

Chapter 5 111
Configuring HP DCE Cells
Integrating DCE Services with MC/ServiceGuard
5. Starting the ServiceGuard cluster
6. Starting the package on the ServiceGuard cluster
The following subsections describe these steps in more detail.
Configuring the ServiceGuard Cluster
Before configuring DCE for integration with ServiceGuard, you must
install ServiceGuard. Then, install the DCE software on the primary and
secondary nodes separately.
1. To configure the primary and secondary nodes in a ServiceGuard
cluster, enter the following command:
cmquerycl -v -C /etc/cmcluster/cmclconfig.ascii \
-n primary_node -n secondary_node1 \
-n secondary_node2
This command creates the template script
/etc/cmcluster/cmclconf.ascii. Modify the script parameters
to reflect your desired configuration, after which, the script seldom
needs modification.
2. To determine if ServiceGuard daemons are running so that the DCE
initial configuration program (dce_config) detects the presence of
ServiceGuard enter the following command:
cmruncl -v -n primary_node -n secondary_node
3. Identify the hostname and IP addressto be dedicated to the packages.
To manually add the IP address to the cluster's primary node, enter
the following command
cmmodnet -a -i package_IP SUBNET
Configuring DCE
Perform the following steps to configure DCE on your system if the
ServiceGuard is running:
1. Create a volume group for the DCE data file (for example :
/dev/vgdce).
2. Manually activate the volume group to be accessed from the primary
node (for example: vgchange -a e /dev/vgdce).
3. Identify the filesystems and logical volumes for the package
filesystem definition. These should reside in the shared disk.