HP XC System Software Administration Guide Version 4.0
Table Of Contents
- XC Administration Guide
- Table of Contents
- About This Document
- 1 HP XC Administration Environment
- 1.1 Understanding Nodes, Services, and Roles
- 1.2 File System
- 1.3 HP XC Command Environment
- 1.4 Configuration and Management Database
- 1.5 HP XC Configuration File Guidelines
- 1.6 Installation and Software Distribution
- 1.7 Improved Availability
- 1.8 Networking
- 1.9 Modulefiles
- 1.10 Security
- 1.11 Recommended Administrative Tasks
- 2 Improved Availability
- 3 Starting Up and Shutting Down the HP XC System
- 4 Managing and Customizing System Services
- 4.1 HP XC System Services
- 4.2 Displaying Services Information
- 4.3 Restarting a Service
- 4.4 Stopping a Service
- 4.5 Global System Services
- 4.6 Customizing Services and Roles
- 4.6.1 Overview of the HP XC Services Configuration
- 4.6.2 Service Configuration Sequence of Operation
- 4.6.3 Assigning Roles with the cluster_config Utility
- 4.6.4 The *config.d Directories
- 4.6.5 Configuration Scripts
- 4.6.6 Understanding Global Configuration Scripts
- 4.6.7 Advance Planning
- 4.6.8 Editing the roles_services.ini File
- 4.6.9 Creating a service.ini File
- 4.6.10 Adding a New Service
- 4.6.11 Verifying a New Service
- 5 Managing Licenses
- 6 Managing the Configuration and Management Database
- 6.1 Accessing the Configuration and Management Database
- 6.2 Querying the Configuration and Management Database
- 6.3 Finding and Setting System Attribute Values
- 6.4 Backing Up the Configuration Database
- 6.5 Restoring the Configuration Database from a Backup File
- 6.6 Archiving Sensor Data from the Configuration Database
- 6.7 Restoring the Sensor Data from an Archive File
- 6.8 Purging Sensor Data from the Configuration and Management Database
- 6.9 Dumping the Configuration and Management Database
- 7 Monitoring the System
- 7.1 Monitoring Tools
- 7.2 Monitoring Strategy
- 7.3 Displaying System Environment Data
- 7.4 Monitoring Disks
- 7.5 Displaying System Statistics
- 7.6 Logging Node Events
- 7.7 The collectl Utility
- 7.8 Using HP Graph To Display Network Bandwidth and System Use
- 7.9 The resmon Utility
- 7.10 The kdump Mechanism and the crash Utility
- 8 Monitoring the System with Nagios
- 8.1 Nagios Overview
- 8.2 Using the Nagios Web Interface
- 8.3 Adjusting the Nagios Configuration
- 8.4 Configuring Nagios on HP XC Systems
- 8.5 Using the Nan Notification Aggregator and Delimiter To Control Nagios Messages
- 8.6 Nagios Report Generator Utility
- 8.7 Modifying Nagios To Effect Changes
- 9 Network Administration
- 10 Managing Patches and RPM Updates
- 11 Distributing Software Throughout the System
- 11.1 Overview of the Image Replication and Distribution Environment
- 11.2 Installing and Distributing Software Patches
- 11.3 Adding Software or Modifying Files on the Golden Client
- 11.4 Determining Which Nodes Will Be Imaged
- 11.5 Updating the Golden Image
- 11.6 Propagating the Golden Image to All Nodes
- 11.7 Maintaining a Global Service Configuration
- 12 Opening an IP Port in the Firewall
- 13 Connecting to a Remote Console
- 14 Managing Local User Accounts and Passwords
- 14.1 HP XC User and Group Accounts
- 14.2 General Procedures for Administering Local User Accounts
- 14.3 Adding a Local User Account
- 14.4 Modifying a Local User Account
- 14.5 Deleting a Local User Account
- 14.6 Configuring the ssh Keys for a User
- 14.7 Synchronizing the NIS Database
- 14.8 Changing Administrative Passwords
- 14.8.1 Changing the Superuser Password
- 14.8.2 Changing the CMDB Password
- 14.8.3 Changing the Interconnect Password
- 14.8.4 Changing the Console Port Password
- 14.8.5 Synchronizing the BMC/IPMI Password for CP6000 Systems
- 14.8.6 Changing the Nagios Administrator Password
- 14.8.7 Changing the LSF Administrator Password
- 15 Managing SLURM
- 16 Managing LSF
- 16.1 Standard LSF
- 16.2 LSF with SLURM
- 16.3 Switching the Type of LSF Installed
- 16.4 LSF with SLURM Installation
- 16.5 LSF with SLURM Startup and Shutdown
- 16.6 Controlling the LSF with SLURM Service
- 16.7 Launching Jobs with LSF with SLURM
- 16.8 Monitoring and Controlling LSF with SLURM Jobs
- 16.9 Maintaining Shell Prompts in LSF Interactive Shells
- 16.10 Job Accounting
- 16.11 LSF Daemon Log Maintenance
- 16.12 Load Indexes and Resource Information
- 16.13 LSF with SLURM Monitoring
- 16.14 LSF with SLURM Failover
- 16.15 Moving SLURM and LSF Daemons to Their Backup Nodes
- 16.16 Enhancing LSF with SLURM
- 16.17 Configuring an External Virtual Host Name for LSF with SLURM on HP XC Systems
- 17 Managing Modulefiles
- 18 Mounting File Systems
- 19 Managing Software RAID Arrays
- 20 Using Diagnostic Tools
- 20.1 Using the sys_check Utility
- 20.2 Using the ovp Utility for System Verification
- 20.3 Using the dgemm Utility to Analyze Performance
- 20.4 Using the System Interconnect Diagnostic Tools
- 21 Troubleshooting
- 21.1 General Troubleshooting
- 21.2 Nagios Troubleshooting
- 21.3 Messages Reported by Nagios
- 21.4 System Interconnect Troubleshooting
- 21.5 Improved Availability Issues
- 21.5.1 How To Start HP Serviceguard When Only the Head Node is Running
- 21.5.2 Restart Serviceguard Quorum Server if Quorum Server Node is Re-imaged
- 21.5.3 Known Limitation if Nagios is Configured for Improved Availability
- 21.5.4 Network Restart Command Negatively Affects Serviceguard
- 21.5.5 Problem Failing Over Database Package Under Serviceguard
- 21.6 SLURM Troubleshooting
- 21.7 LSF Troubleshooting
- 22 Servicing the HP XC System
- 22.1 Adding a Node
- 22.2 Replacing a Client Node
- 22.3 Actualizing Planned Nodes
- 22.4 Replacing a Server Blade Enclosure OnBoard Administrator
- 22.5 Replacing a System Interconnect Board in an HP CP6000 System
- 22.6 Software RAID Disk Replacement
- 22.7 Incorporating External Network Interface Cards
- 22.7.1 Gathering Information
- 22.7.2 Editing the platform_vars.ini File
- 22.7.3 Using the device_config Command
- 22.7.4 Updating the Database for the External Network Card
- 22.7.5 Updating the Firewall Custom Configuration
- 22.7.6 Reconfiguring the Nodes
- 22.7.7 Verifying Success
- 22.7.8 Updating the Golden Image
- A Installing LSF with SLURM into an Existing Standard LSF Cluster
- B Setting Up MPICH
- C HP MCS Monitoring
- D CPU Frequency-Based Power-Saving Feature
- Glossary
- Index
4. Run the following commands to update all the appropriate files throughout the HP XC
system:
# pdcp -a -x `hostname` /etc/passwd /etc/passwd
# pdcp -a -x `hostname` /etc/group /etc/group
# pdcp -a -x `hostname` /etc/shadow /etc/shadow
# pdcp -a -x `hostname` /etc/gshadow /etc/gshadow
When this step is complete, the root password is changed on all the nodes in the HP XC
system.
14.8.2 Changing the CMDB Password
The configuration and management database (CMDB) is a mysql database, and you can change
its administrative password by using the mysql tools.
CAUTION: Changing the CMDB password can cause complications that can corrupt the database
and jeopardize system operation; for example, some commands might cease to function.
If you must change this password, be sure that you back up the CMDB as described in “Backing
Up the Configuration Database” (page 81). You also need to update the CMDB manually, which
is beyond the scope of this document.
14.8.3 Changing the Interconnect Password
The procedure to change the administrative password of the Interconnect switch depends on
the Interconnect switch:
• The ProCurve (Gigabit Ethernet) switch has an administrative password and requires an
update to the HP XC configuration and management database (CMDB).
• The Myrinet Interconnect switch has no administrative password.
• The Quadrics Elan4 Interconnect switch has administrative password and does not require
an update to the HP XC CMDB.
• The Voltaire InfiniBand Interconnect switch has administrative password and does not
require an update to the HP XC CMDB.
• The administrative accounts of Cisco SFS 7000 Series InfiniBand Server Switches can differ
depending on the model number.
14.8.3.1 ProCurve Switch
The documentation that came with your model of the ProCurve switch describes how to set the
administrative password.
If you change the ProCurve switch administrative password and the HP XC system has more
than one ProCurve switch, you must change every ProCurve switch to the same password.
CAUTION: Changing the ProCurve password can cause complications if you do not also update
the configuration and management database (CMDB) manually with the new password. Updating
the CMDB is beyond the scope of this document.
If you make an error updating the CMDB, you can corrupt the database and jeopardize system
operation; for example, some commands might cease to function.
If you must update the CMDB, be sure that you back it up as described in “Backing Up the
Configuration Database” (page 81) before changing the ProCurve switch administrative password.
14.8.3.2 Quadrics Elan4
The documentation that came with your model of the Quadrics Elan switch describes how to set
the administrative password.
14.8 Changing Administrative Passwords 163