Hp Insight Cluster Management Utility Manuale Utente Scaricare il pdf (Pagina 144)

cmu_show_user_groups(8)

NAME

cmu_show_user_groups -- Show user groups.

SYNOPSIS

# /opt/cmu/bin/cmu_show_user_groups <-h | [user_group]>

DESCRIPTION

Show user groups.

OPTIONS

-h|--help

show help

EXAMPLES

To show all existing user groups in the HP Insight CMU database:

# /opt/cmu/bin/cmu_show_user_groups

user1

user2

To show nodes belonging to a user group:

# /opt/cmu/bin/cmu_show_user_groups user1

cn0001

cn0002

cn0003

cn0004

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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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