HP XC System Software Administration Guide Version 3.1

5.3.3 Restarting the License Manager....................................................................................................76
6 Managing the Configuration and Management Database....................................77
6.1 Accessing the Configuration and Management Database.......................................................................77
6.2 Querying the Configuration and Management Database........................................................................77
6.2.1 Displaying Configuration Details.................................................................................................77
6.2.2 Displaying the Nodes That Provide a Specified Service..................................................................78
6.2.3 Displaying Blade Enclosure Information.......................................................................................79
6.3 Finding and Setting System Attribute Values........................................................................................79
6.4 Backing Up the Configuration Database...............................................................................................79
6.5 Restoring the Configuration Database from a Backup File......................................................................79
6.6 Archiving Sensor Data from the Configuration Database.......................................................................80
6.7 Restoring the Sensor Data from an Archive File ....................................................................................80
6.8 Purging Sensor Data from the Configuration and Management Database...............................................80
6.9 Dumping the Configuration and Management Database........................................................................81
7 Monitoring the System.................................................................................................83
7.1 Monitoring Tools.................................................................................................................................83
7.2 Monitoring Strategy............................................................................................................................84
7.3 Displaying System Environment Data..................................................................................................85
7.4 Monitoring Disks................................................................................................................................85
7.5 Displaying System Statistics.................................................................................................................85
7.5.1 Displaying System Sensors from the Command Line.....................................................................85
7.5.2 Monitoring Processor Usage and Load from the Command Line....................................................86
7.5.3 Monitoring Memory from the Command Line..............................................................................86
7.5.4 Monitoring Paging and Swap Data from the Command Line..........................................................87
7.6 Logging Node Events..........................................................................................................................87
7.6.1 Understanding the Event Logging Structure.................................................................................87
7.6.2 The syslog-ng.conf Rules File.......................................................................................................88
7.6.3 Modifying the syslog-ng Rules Files.............................................................................................88
7.7 The collectl Utility...............................................................................................................................89
7.7.1 Running the collectl Utility from the Command Line.....................................................................90
7.7.2 Running the collectl Utility as a Service.........................................................................................90
7.7.3 Running the collectl Utility in a Batch Job Submission....................................................................91
7.8 HP Graph...........................................................................................................................................92
7.9 The netdump and crash Utilities..........................................................................................................96
7.9.1 Installing Netdump and Crash.....................................................................................................97
7.9.2 Configuring Netdump.................................................................................................................97
7.9.2.1 Configuring the Netdump Client..........................................................................................97
7.9.2.2 Configuring the Netdump-Server.........................................................................................98
7.9.3 Starting Netdump.......................................................................................................................98
7.9.4 Obtaining the Kernel Dump.........................................................................................................98
7.9.5 Using the Crash Utility to Analyze a Kernel Dump File..................................................................98
7.9.6 Using the Crash Utility to Analyze a Live System..........................................................................99
8 Monitoring the System with Nagios........................................................................101
8.1 Nagios Overview...............................................................................................................................101
8.1.1 Nagios Components..................................................................................................................102
8.1.2 Nagios Hosts.............................................................................................................................102
8.1.3 Nagios Plug-Ins.........................................................................................................................102
8.1.4 Nagios Web Interface.................................................................................................................102
8.1.5 Nagios Files..............................................................................................................................103
8.2 Using the Nagios Web Interface..........................................................................................................103
8.2.1 Accessing the Nagios Web Interface............................................................................................103
8.2.2 Using the Nagios Tactical Overview............................................................................................105
8.2.3 Using the Nagios Service Detail View.........................................................................................105
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