HP XC System Software Installation Guide Version 3.0

3. The cluster_config utility displays the following menu. Enter the letter p to proceed with the system
configuration process; refer to Appendix F (page 117) for information about using this menu.
Important
If the head node was configured as a NIS slave server in the previous release, you must assign the
nis_server role to the head node now, because this role is being introduced in this release. Use the
[M]odify option of the cluster_config utility to assign this role to the head node.
[L]ist Nodes, [M]odify Nodes, [A]nalyze, [H]elp, [P]roceed, [Q]uit: p
Do you want to apply your changes to the cluster configuration? [y/n] y
[S]ervices Config, [P]roceed, [Q]uit: p
Do you want to apply your changes to the service configuration? [y/n] y
4. Follow along on your system while the cluster_config utility is configuring your system and, when
prompted, provide the answers listed in Table 7-8.
Table 7-8 Answers to cluster_config Prompts
AnswerPrompt
yesRegenerate ssh keys?
yesRecreate the qsnet database? (For systems using a QSnet
II
interconnect).
yesReconfigure SLURM?
yesCreate new slurm.conf file?
yesInstall LSF?
u (upgrade)Upgrade to new version of LSF?
Accept the default
response
All other prompts
Output from the cluster_config command looks similar to the following:
Configuring system wide functions / policies / behaviors
Executing C02ssh_config
sconfigure Root ssh keys for the cluster already exist
(Warning: you will not be able to ssh/pdsh to other nodes until
you reimage them)
Would you like to regenerate them? ([n]/y) y
Executing C10cluster_fstab sconfigure
Executing C20sysparams sconfigure
NFS daemon tuning:
Given that there are 6 nodes in this cluster, enter the number of
NFS daemons that shall be configured to support them [8] : Enter
Executing C75mpiic sconfigure
Configuring service specific functions
Executing C05pdsh gconfigure
Executing C08ntp gconfigure
Configuring the following nodes as ntp servers for the cluster:
n16
You must now specify the clock source for the server nodes.
If the nodes have external connections, you may specify up
to 4 external NTP servers. Otherwise, you must use the node's
system clock.
Enter the IP address or host name of the first external NTP server
or leave blank to use the system clock on the NTP server node:
Renaming previous /etc/ntp.conf to /etc/ntp.conf.bak
84 Upgrading Your HP XC System