HP XC System Software Administration Guide Version 3.1

For security purposes, use the ssh command instead of these other, much less secure alternatives.
To use ssh without password prompting with a user account, you must set up ssh authentication keys.
For information on configuring the ssh keys, see “Configuring the ssh Keys for a User” (page 151).
1.11 Recommended Administrative Tasks
Table 1-4 lists recommended administrative tasks. Consider these recommendations when establishing a
site policy for administering your HP XC system.
Table 1-4 Recommended Administrative Tasks
ReferenceTaskWhen
N/ACreate a system log book for monitoring configuration
changes to your system.
Once, after initial installation and
configuration
Chapter 7: “Monitoring the System”
(page 83)
Run the ovp utility.
Run the sys_check command to establish a baseline.
Run the dgemm command to detect any nodes that are not
performing at their peak performance.
Chapter 4: “Managing and
Customizing System Services”
(page 55)
Consult the Nagios Web interface to monitor the system
status.
Frequently
Chapter 6: “Managing the
Configuration and Management
Database” (page 77)
Monitoring the System
Ensure that the following services are running:
• Nagios
• Supermon
• syslog
• syslogng-forward
Back up the head node's disks.Regularly
Chapter 19: “Using Diagnostic
Tools” (page 215)
Back up the configuration and management database.
Archive or purge metrics data from the configuration and
management database; a cron script is provided for this
purpose
Chapter 10: “Distributing Software
Throughout the System” (page 129)
Run the sys_check utility at a time that does not interfere
with users' jobs.
Run the dgemm utility to detect any nodes that are not
performing at their peak performance.
For systems that use the Myrinet system interconnect, run
the gm_drain_test when it does not interfere with users'
jobs.
For systems that use the Quadrics system interconnect,
run the qsnet2_drain_test when it does not interfere
with users' jobs.
Chapter 7: “Monitoring the System”
(page 83)
Monitor the
/hptc_cluster/adm/logs/consolidated.log for
potential errors.
Chapter 10: “Distributing Software
Throughout the System” (page 129)
Ensure that the golden image is updated.After installing additional
software installation or changing
the system configuration
Chapter 19: “Using Diagnostic
Tools” (page 215)
Run the ovp command.
1.11 Recommended Administrative Tasks 41