HP XC System Software Installation Guide Version 4.0

a. If more than one availability tool has been installed, select the availability tool that will
manage the services in the availability set. If only one tool is available, it is selected by
default.
avail> select serviceguard
b. Create an availability set that will be managed by the selected tool. Specify both node
names to associate into the availability set. Section 1.9.6 (page 29) described how to
choose the nodes to associate in an availability set.
avail> create n7 n8
Availability Set serviceguard: (n7 n8) created.
5. Perform these tasks if required:
• Delete an availability set by specifying either one of the nodes in the availability set:
avail> delete n7
Availability Set serviceguard: (n7 n8) deleted.
• List all availability sets:
avail> list
Availability tools:
serviceguard (selected)
Current availability sets:
serviceguard: (n7 n8)
6. When you have finished associating nodes and availability tools into availability sets, enter
the letter b or the word back to return to the main availability set menu.
avail> back
[E]dit Availability Sets, [P]roceed, [Q]uit:
7. Do one of the following:
• Enter the letter p if you have finished associating nodes into availability sets. Proceed
to step 8.
• Enter the letter e to continue adding or modifying availability sets. Return to step 2.
• Enter the letter q to exit cluster_config utility.
8. At the following prompt, enter y to continue with the cluster_config utility; enter n to
stay in the availability set configuration menu.
Do you want to proceed to roles configuration? [y/n]
Proceed to Section 6.4 (page 103) to evaluate the default node role configuration and re-adjust
the default role assignments where necessary.
6.4 Modifying and Assigning Node Roles
Follow this procedure to use the cluster_config utility to view the default system
configuration and modify default role assignments and assign additional roles to nodes where
necessary. This task is especially important if you are configuring services for improved
availability.
1. When the following command-line menu options are displayed, enter the letter h or the
word help to display a description of each menu option. Entries are not case sensitive.
[L]ist Nodes, [M]odify Nodes, [A]nalyze, [H]elp, [P]roceed, [Q]uit: h
Valid commands are:
L - Lists discovered nodes with current location, assigned roles,
and external network connections
M - Modifies nodes with the Modify Node submenu
A - Analyze current configuration
H - Displays this help message
P - Proceeds to the next cluster configuration step
6.4 Modifying and Assigning Node Roles 103