HP XC System Software Installation Guide Version 3.2.1

Do you want to proceed to roles configuration? [y/n]
Proceed to “Task 9: Modify and Assign Node Roles” to evaluate the default node role configuration
and re-adjust the default role assignments where necessary.
3.10 Task 9: Modify and Assign 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
Q - Quits this utility leaving the cluster unmodified
[L]ist Nodes, [M]odify Nodes, [C]heck, [H]elp, [P]roceed, [Q]uit:
2. Enter the letter l to list the default configuration; then enter the letter b or the letter a to
view an abbreviated or full version of the output:
[L]ist Nodes, [M]odify Nodes, [A]nalyze, [H]elp, [P]roceed, [Q]uit: l
Output Type - a[B]breviated, [A]ll, [C]ancel:
• The a[B]breviated output is similar to the following. Nodes with the same role
assignments are condensed into one line item.
Node: n16 location: Level 1 Switch 172.20.65.1, Port 42
CURRENT HEAD NODE
Roles assigned: compute console_network disk_io external
management_hub management_server resource_management
External Ethernet name: penguin.southpole.com
ipaddr: 192.0.2.0 netmask: 255.255.252.0 gateway: 192.0.2.51
The following nodes are configured with the common role "compute":
n[11-15]
• [A]ll output is similar to the following and displays specific information about the
head node and each client node. Be aware that output can be lengthy on a system with
a large number of nodes. For example, the output for a 500-node system with 495
compute-only nodes results in approximately 1500 lines of output.
Node: n16 location: Level 1 Switch 172.20.65.1, Port 42
CURRENT HEAD NODE
Roles assigned: compute console_network disk_io external
management_hub management_server resource_management
External Ethernet name: penguin.southpole.com
ipaddr: 192.0.2.0 netmask: 255.255.252.0 gateway: 192.0.2.51
Node: n15 location: Level 1 Switch 172.20.65.1, Port 21
Roles assigned: compute
Node: n14 location: Level 1 Switch 172.20.65.1, Port 20
Roles assigned: compute
Node: n13 location: Level 1 Switch 172.20.65.1, Port 19
Roles assigned: compute
90 Configuring and Imaging the System