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3. Verify that rsh or ssh is enabled between all nodes of the cluster and the management node.
All nodes must be able to execute commands as root for any other node without needing a
password
4. Verify that the HP Insight CMU rpm is properly installed on all nodes.
If the HP Insight CMU GUI is unable to start, with the message "Failed to validate certificate":
Figure 54 Certificate error
The detailed Java exception is:
java.security.cert.CertPathValidatorException: java.security.InvalidKeyException: Wrong key usage
Change the Java setting value. (The default value changed between Java 1.6 u31 and Java 1.7
u12.)
If you are connected to the Internet, then activate Enable online certificate validation. If you are
not connected to the Internet, then deactivate Enable online certificate validation.
Figure 55 Java control panel
A.6 GUI problems 129
- User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Examples 10
- 1 Overview 11
- 1.1.4 System disk replication 12
- 2.1 Installing HP Insight CMU 13
- 2.1.3 Disk space requirements 14
- ◦ Configure SATA as IDE 16
- 2.1.7.3 DL160 G6 Servers 17
- 2.2.3.1 RHEL 6 support 20
- 2.2.6 Login privileges 21
- 2.3 Installation procedures 22
- 2.4.2 Software prerequisites 25
- 2.5 Upgrading HP Insight CMU 30
- 2.5.7 Starting HP Insight CMU 31
- 3.2.2 X server requirements 33
- 3.2.3 Administrator mode 33
- 3.4 Cluster administration 34
- 3.4.1 Node management 35
- 3.4.1.1 Scanning nodes 36
- 3.4.1.2 Adding nodes 37
- 3.4.1.3 Modifying nodes 38
- 3.4.1.4 Importing nodes 39
- 3.4.1.5 Deleting nodes 39
- 3.4.1.6 Exporting nodes 39
- 3.4.1.7 Contextual menu 39
- 4.1 Logical group management 41
- 4.1.2 Deleting logical groups 42
- 4.1.3 Renaming logical groups 42
- 4.2 Autoinstall 43
- 4.2.4.1 Enabling autoinstall 44
- 4.2 Autoinstall 45 45
- 4.2.6 Customization 47
- 4.3 Backing up 48
- 4.3 Backing up 49 49
- 4.4 Cloning 50
- 4.4.1 Preconfiguration 51
- 4.4.2 Reconfiguration 52
- 4.5 Node static info 53
- 4.6 Rescan MAC 53
- 4.7.1 Expanding an image 54
- 4.7.2 Modifying an image 55
- 4.8.1 Overview 55
- On the management node 56
- On the golden node 56
- From the GUI 57
- From the CLI 59
- 4.8.12.1 files.custom 60
- On Red Hat 63
- 5.3 Monitoring the cluster 67
- 5.3.1 Node and group status 68
- 5.3 Monitoring the cluster 69 69
- 5.3.5 Gauge widget 71
- 5.3.7 Using time view 72
- ◦ Launch HP Insight CMU: 73
- 5.3.7.4 Bindings and options 74
- 5.3.7.6 Troubleshooting 75
- 5.3.8 Archiving user groups 76
- 5.5.1 Action and alert files 77
- 5.5.2 Actions 78
- 5.5.3 Alerts 79
- 5.5.4 Alert reactions 79
- #- Native 82
- #- Collectl 82
- + (cputotals.sys) 82
- 5.5.7.2 Monitoring AMD GPUs 86
- 5.5.9 Extended metric support 89
- 6.1 Unprivileged user menu 91
- 6.2 Administrator menu 91
- 6.3 SSH connection 91
- 6.6 Shutdown 92
- 6.7 Power off 92
- 6.8 Boot 93
- 6.9 Reboot 93
- 6.10 Change UID LED status 93
- 6.12 Single window pdsh 94
- 6.12.1 cmudiff examples 95
- StrictHostKeyChecking no 97
- ConnectTimeout 1 97
- 6.14 User group management 98
- 6.14.2 Deleting user groups 99
- 6.14.3 Renaming user groups 99
- 6.16 Customizing the GUI menu 100
- 6.17 HP Insight CMU CLI 101
- Help commands 102
- Getting help for a command 102
- 6.17.3 Specifying nodes 103
- Booting a set of nodes 105
- Halting a set of nodes 106
- Powering off a set of nodes 106
- Rebooting a set of nodes 106
- Cloning a set of nodes 107
- Adding a new logical group 108
- Backing up a node 108
- 6.17 HP Insight CMU CLI 109 109
- 6.17 HP Insight CMU CLI 111 111
- 7 Advanced topics 112
- 7.1.3 Examples 114
- 7.2.1 Build diskless image 115
- 7.2.2 Delete diskless image 115
- 7.2.3 Configure diskless node 116
- 7.2.5 Boot diskless node 116
- 7.2.6 Diskless check 117
- 118 Advanced topics 118
- 7.5 Support for ScaleMP 120
- 7.6 Cloning mechanisms 120
- 7.6 Cloning mechanisms 121 121
- 122 Advanced topics 122
- 8 Support and other resources 123
- 8.3 Typographic conventions 124
- A Troubleshooting 126
- A.3 Backup issues 127
- A.4 Cloning issues 128
- A.6 GUI problems 128
- A.6 GUI problems 129 129
- 130 Troubleshooting 130
- B.1 Install required RPMs 131
- B.5 Firewall configuration 132
- B.6 Java installation 132
- B.7 Installing HP Insight CMU 132
- B.9 Setting the Java PATH 133
- B.11 Starting HP Insight CMU 134
- Using an ssh tunnel 136
- Using an X Window server 136
- Figure 56 HP Insight CMU GUI 138
- HP Insight CMU manpages 139
- SYNOPSIS 140
- DESCRIPTION 140
- EXAMPLES 141
- OPTIONS (naming) 170
- OPTIONS (general) 171
- Example 1 172
- Example 2 172
- Example 3 172
- Example 4 173
- NODE AND GROUP OPTIONS 177
- Glossary 187
- 188 Glossary 188
- 190 Index 190
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