HP XC System Software Installation Guide Version 3.2

11 Adding Visualization Nodes to An Existing HP XC System.................................163
11.1 Prerequisites................................................................................................................................163
11.2 Installation Scenarios...................................................................................................................163
11.2.1 New Visualization Nodes Exceed the Maximum Number of Nodes Supplied to the
cluster_prep Command.................................................................................................................163
11.2.2 New Visualization Nodes Do Not Exceed the Maximum Number of Nodes Supplied to
the cluster_prep Command...........................................................................................................164
11.2.3 Graphics Cards Have Been Added to Existing Nodes........................................................164
12 Troubleshooting........................................................................................................165
12.1 Troubleshooting the Discovery Process.......................................................................................165
12.1.1 Discovery Process Hangs While Discovering Console Ports..............................................166
12.1.2 ProCurve Switches Do Not Obtain Their IP Addresses......................................................166
12.1.3 ProCurve Switches Can Take Time to Get IP Addresses....................................................166
12.1.4 Not All Console Ports Are Discovered................................................................................167
12.1.5 Some Console Ports Have Not Obtained Their IP Addresses.............................................167
12.1.6 Not All Nodes Are Discovered............................................................................................167
12.2 Troubleshooting the Cluster Configuration Process...................................................................168
12.2.1 lsadmin limrestart Command Fails.....................................................................................169
12.2.2 Cannot Connect to Database During Configuration...........................................................169
12.3 Troubleshooting the Imaging Process.........................................................................................170
12.3.1 /hptc_cluster File System Does Not Mount.........................................................................171
12.3.2 Client Node or Nodes Do Not Network Boot.....................................................................171
12.3.3 How To Monitor An Imaging Session.................................................................................172
12.4 Troubleshooting LSF and Licensing............................................................................................172
12.5 Troubleshooting the OVP............................................................................................................172
12.5.1 OVP network_bidirectional Test Might Report False Error on HP Server Blades..............174
12.5.2 OVP Reports Benign Nagios Warnings...............................................................................175
12.5.3 OVP qsnet_database Test May Fail Due to Benign Errors Returned By the qsctrl Utility...175
12.6 Troubleshooting SLURM.............................................................................................................176
12.6.1 SLURM Reconfiguration Errors..........................................................................................177
12.7 Troubleshooting the Software Upgrade Procedure.....................................................................177
12.7.1 The upgradesys Utility Might Fail While Backing Up the Database..................................178
12.7.2 The hptc-ire-serverlog Service Might Not Start..................................................................178
12.7.3 External Ethernet Connection Fails To Come Up................................................................179
12.8 Troubleshooting HP XC on Red Hat Enterprise Linux...............................................................179
A Installation and Configuration Checklist.................................................................181
B Host Name and Password Guidelines.....................................................................185
B.1 Host Name Guidelines..................................................................................................................185
B.2 Password Guidelines.....................................................................................................................185
C Enabling telnet on iLO and iLO2 Devices...............................................................187
C.1 iLO Devices...................................................................................................................................187
C.2 iLO2 Devices.................................................................................................................................188
D Configuring Interconnect Switch Monitoring Cards...............................................191
D.1 Configure Quadrics Switch Controller Cards..............................................................................191
D.2 Configure Myrinet Switch Monitoring Line Cards......................................................................194
D.3 Configure InfiniBand Switch Controller Cards............................................................................195
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