HP XC System Software Installation Guide Version 3.2.1

10 Troubleshooting
This chapter addresses the following topics:
• “Troubleshooting the Discovery Process” (page 155)
• “Troubleshooting the Cluster Configuration Process” (page 158)
• “Troubleshooting LSF and Licensing” (page 162)
• “Troubleshooting the Imaging Process” (page 160)
• “Troubleshooting the OVP” (page 162)
• “Troubleshooting SLURM” (page 166)
• “Troubleshooting the Software Upgrade Procedure” (page 167)
10.1 Troubleshooting the Discovery Process
Figure 10-1 provides a high-level flowchart that illustrates the processing performed by the
discover command.
Figure 10-1 Discovery Flowchart
Start
Get MAC address for
Admin Root Switch
Discover Admin
Root switches
Any More?
Discover Console
Root Switches
Any More?
Discover Branch
Admin Switches
Any More?
Discover Branch
Console
Switches
Any More?
Discover Console
Ports
Any More?
Number of CPs
Discovered = Number
of CPs Expected
Build
/etc/powerd.conf
file
Start power
daemon
Turn on all nodes
Begin querying
switches for MAC
addresses
Number of Nodes
Discovered = Number
of Nodes Expected
Capture Data
Populate
XC MySQL
Database
Stop
A
A
Y
N
Y
N
Y
N
Y
N
Y
N
N
Y
Y
N
The remainder of this section provides troubleshooting hints to help you solve some common
problems that may occur during the discovery process. The following conditions are described:
10.1 Troubleshooting the Discovery Process 155