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8.2.2 Delete diskless image
The delete_image program is called when an HP Insight CMU diskless logical group of type
<DISKLESS> is deleted. This program is called with the following argument:
-l <CMU diskless logical group name>
The name of the logical group to delete.
The delete_image program is expected to delete everything related to the diskless OS in /opt/
cmu/image/<CMU diskless logical group name>/.
8.2.3 Configure diskless node
The configure_node program is called when a compute node is added to the HP Insight CMU
diskless logical group of type <DISKLESS>. This program is called with the following arguments:
-l <CMU diskless logical group name>
The name of the diskless logical group.
-s <NFS server IP>
The IP address of the NFS server.
-n <nodename>
The host name of the target node to configure.
-i <IP address>
The IP address of the target node to configure.
-m <MAC address>
The MAC address of the target node to configure.
-e <eth device>
The active Ethernet device of the target node to configure.
The configure_node program is expected to perform any node-specific tasks related to the
diskless image. This may include calling /opt/cmu/tools/cmu_add_node_to_dhcp to
configure the node to PXE-boot, and to produce a PXE-boot file for the compute node.
8.2.4 Post node configuration
The post_node_config program is called after all of the configure_node programs have
run. This program is called with the following arguments:
-l <CMU diskless logical group name>
The name of the diskless logical group.
-f <nodefile>
A file containing the list of nodes that were just configured.
The original purpose of the post_node_config program was to sychronize the NFS servers
with any node-specific changes made by the configure_node programs, but any global actions
that occur after the configure_node programs are run can be configured here.
8.2.5 Unconfigure diskless node
The unconfigure_node program is called when a compute node is removed from the HP Insight
CMU diskless logical group of type <DISKLESS>. This program is called with the following
arguments:
-l <CMU diskless logical group name>
The name of the diskless logical group.
-n <nodename>
The host name of the target node to unconfigure.
8.2 HP Insight CMU diskless API 143
- User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- Examples 10
- 1 Overview 11
- 1.1.4 System disk replication 12
- 2.1 Installing HP Insight CMU 13
- Provisioning 14
- Monitoring 14
- Remote management 14
- 2.1.8 Configuring the BIOS 15
- 2.1.8.3 DL160 G6 Servers 18
- 2.2.3.1 RHEL 6 support 21
- 2.3 Installation procedures 22
- 2.4.2 Software prerequisites 29
- 2.5 Upgrading HP Insight CMU 34
- 2.5.2.4 Monitoring clients 35
- 3.1 HP Insight CMU GUI 40
- 3.3 Administrator mode 41
- Using an ssh tunnel 42
- Using an X Window server 43
- 4.3 Cluster administration 44
- 4.3.1 Node management 45
- 4.3.1.1 Scanning nodes 46
- 4.3.1.2 Adding nodes 47
- 4.3.1.3 Modifying nodes 48
- 4.3.1.4 Importing nodes 49
- 4.3.1.5 Deleting nodes 49
- 4.3.1.6 Exporting nodes 49
- 4.3.1.7 Contextual menu 49
- 5.1 Logical group management 51
- 5.1.2 Deleting logical groups 52
- 5.1.3 Renaming logical groups 52
- 5.2 Autoinstall 53
- 5.2 Autoinstall 55 55
- 5.2 Autoinstall 57 57
- 5.3 Backing up 58
- 5.3 Backing up 59 59
- 5.4 Cloning 61
- 5.4.1 Preconfiguration 62
- 5.4.2 Reconfiguration 63
- 5.5 Node static info 64
- 5.6 Rescan MAC 65
- 5.7.1 Expanding an image 66
- 5.7.2 Modifying an image 67
- 5.8.1 Overview 68
- CMU_DISKLESS=true 69
- 2.6.9-42.EL 72
- 2.6.9-42.ELsmp 72
- node> 79
- On Red Hat 82
- 6.3 Monitoring the cluster 86
- 6.3.1 Node and group status 87
- 6.3 Monitoring the cluster 89 89
- 6.3.5 Gauge widget 90
- 6.3 Monitoring the cluster 91 91
- 6.3.7 Using Time View 92
- 6.3.7.2 Adaptive stacking 93
- 6.3.7.3 Bindings and options 93
- 6.3.8 Archiving user groups 95
- 6.5.1 Action and alert files 96
- 6.5.2 Actions 97
- 6.5.3 Alerts 98
- 6.5.4 Alert reactions 99
- PlotDir = /var/log/collectl 103
- Figure 41 ColPlot window 104
- 6.5.7.2 Monitoring AMD GPUs 106
- 6.5.9 Extended metric support 109
- [root@cmumaster ~]# 110
- /opt/cmu/etc/cmu_gen8_nodes 117
- 7.6 Shutdown 119
- 7.7 Power off 119
- 7.8 Boot 120
- 7.9 Reboot 120
- 7.10 Change UID LED status 120
- 7.12 Single window pdsh 121
- 7.12.1 cmudiff examples 122
- 7.12 Single window pdsh 123 123
- 7.14 User group management 125
- 7.14.2 Deleting user groups 126
- 7.14.3 Renaming user groups 126
- 7.16 Customizing the GUI menu 127
- 7.17 HP Insight CMU CLI 128
- Help commands 129
- Getting help for a command 129
- 7.17.3 Specifying nodes 130
- 7.17 HP Insight CMU CLI 131 131
- Booting a set of nodes 132
- Rebooting a set of nodes 133
- Halting a set of nodes 133
- Powering off a set of nodes 133
- Cloning a set of nodes 134
- Adding a new logical group 135
- Backing up a node 135
- 7.17 HP Insight CMU CLI 137 137
- 8 Advanced topics 139
- 8.1.3 Examples 141
- 8.2.1 Build diskless image 142
- 8.2.2 Delete diskless image 143
- 8.2.3 Configure diskless node 143
- 8.2.4 Post node configuration 143
- 8.2.6 Boot diskless node 144
- 8.2.7 Diskless check 144
- 146 Advanced topics 146
- 8.5 Support for ScaleMP 148
- 8.6 Cloning mechanisms 148
- 8.6 Cloning mechanisms 149 149
- 150 Advanced topics 150
- 152 Advanced topics 152
- 154 Advanced topics 154
- 9 Support and other resources 159
- 9.3 Typographic conventions 160
- A Troubleshooting 162
- A.3 Backup issues 163
- A.4 Cloning issues 164
- A.6 GUI problems 164
- A.6 GUI problems 165 165
- 166 Troubleshooting 166
- HP Insight CMU manpages 167
- SYNOPSIS 168
- DESCRIPTION 168
- EXAMPLES 170
- OPTIONS (naming) 199
- Example 1 200
- Example 2 201
- Example 3 201
- Example 4 202
- NODE AND GROUP OPTIONS 207
- Glossary 219
- 220 Glossary 220
- 222 Index 222
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