HP XC System Software Installation Guide Version 4.0

Table 6-1 Information Required by the cluster_config Utility (continued)
Description and User ActionItem
You are prompted to configure support for kernel crash dumps, as follows:
Do you want to configure kernel dump support (y/n)? []:
kdump is the facility that enables support to save and store kernel crash dumps. If a
kernel crash dump occurs, the crashing node uses NFS to mount the crash dump file
system on the head node, writes the crash dump to a designated crash dump area,
and then reboots the node.
IMPORTANT: If you answer no to this prompt, be aware that if you do not configure
the kdump facility, no other mechanism is available to save and store kernel crash
dumps. The absence of a crash dump might impede future troubleshooting situations.
The netdump utility, which was a supported crash dump tool, is no longer supported
for use by the underlying Linux base OS.
If you assign the avail_node_management role to a node that is located in an
availability set with the head node, you are prompted to specify how you want to
handle improved availability for the kdump service.
You can choose between no improved availability or enabling improved availability
through an availability tool.
Kernel crash dump
configuration
You are prompted for the following LSF configuration information (default responses
are provided for each item):
• Whether you want to configure LSF. You are not required to use LSF as the job
management software.
• What type of LSF to install: LSF with SLURM or standard LSF
• A user name for the primary LSF administrator
• A password for the LSF administrator if it is a new local account
• An LSF cluster name (the default is hptclsf)
LSF configuration
1 SVA supports the use of HP Remote Graphics Software (HP RGS) and the third-party Virtual GL remote graphics
software.
6.2 Running the cluster_config Utility to Configure the System
The next step in the process is to configure the system. In this task, use the cluster_config
utility to review default role assignments and modify the role assignments on all nodes in the
system based on the size of the system (and other considerations, such as improved availability).
Depending upon the role assignments, the cluster_config utility prompts you with services
configuration questions (for services such as NAT, NFS, NIS, and LVS) and prompts you with
configuration questions for integrated software products such as LSF (either LSF with SLURM
or standard LSF), SLURM, SVA, and Nagios.
When you indicate that you are satisfied with the node role assignments and your configuration
choices, the cluster_config utility builds the configuration and management database, starts
all services on the head node and other service nodes, and creates the golden image from which
all other nodes are replicated.
100 Configuring and Imaging the System