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<!doctype refentry PUBLIC "-//OASIS//DTD DocBook V4.2//EN" [ |
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<!ENTITY dhdate "<date>June 08, 2010</date>"> |
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<!ENTITY dhsection "<manvolnum>8</manvolnum>"> |
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<!ENTITY dhucpackage "<refentrytitle>gnt-os</refentrytitle>"> |
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<!ENTITY dhpackage "gnt-os"> |
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<!ENTITY debian "<productname>Debian</productname>"> |
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<copyright> |
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<year>2006</year> |
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<year>2007</year> |
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<year>2008</year> |
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<year>2009</year> |
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<year>2010</year> |
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<holder>Google Inc.</holder> |
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<refmiscinfo>Ganeti 2.2</refmiscinfo> |
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</refmeta> |
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<refnamediv> |
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<refname>&dhpackage;</refname> |
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|
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<refpurpose>Instance operating system administration</refpurpose> |
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</refnamediv> |
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<refsynopsisdiv> |
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<cmdsynopsis> |
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<command>&dhpackage; </command> |
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<arg choice="req">command</arg> |
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<arg>arguments...</arg> |
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</cmdsynopsis> |
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</refsynopsisdiv> |
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<refsect1> |
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<title>DESCRIPTION</title> |
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<para> |
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The <command>&dhpackage;</command> is used for managing the list |
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of available operating system flavours for the instances in the |
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Ganeti cluster. |
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</para> |
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|
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</refsect1> |
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<refsect1> |
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<title>COMMANDS</title> |
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<cmdsynopsis> |
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<command>list</command> |
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</cmdsynopsis> |
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<para> |
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Gives the list of available/supported OS to use in the |
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instances. When creating the instance you can give the OS-name |
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as an option. |
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</para> |
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|
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<cmdsynopsis> |
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<command>diagnose</command> |
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</cmdsynopsis> |
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|
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<para> |
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This command will help you see why an installed OS is not |
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available in the cluster. The <command>list</command> command |
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shows only the OS-es that the cluster sees available on all |
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nodes. It could be that some OS is missing from a node, or is |
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only partially installed, and this command will show the details |
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of all the OSes and the reasons they are or are not valid. |
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</para> |
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|
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<cmdsynopsis> |
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<command>modify</command> |
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<arg>-H <replaceable>HYPERVISOR</replaceable><arg>:<arg choice="plain" rep="repeat">option=<replaceable>value</replaceable></arg></arg></arg> |
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<arg choice="req"><replaceable>OS</replaceable></arg> |
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</cmdsynopsis> |
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|
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<para> |
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This command will allow you to modify OS parameters. At the moment |
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we just support per-os-hypervisor settings. You can run modify |
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<option>-H</option> with the same syntax as in |
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<command>gnt-cluster init</command> to override default hypervisor |
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parameters of the cluster for specified |
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<replaceable>OS</replaceable> argument. |
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</para> |
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|
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<para> |
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Note: The <replaceable>OS</replaceable> doesn't have to exists. |
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This allows preseeding the settings for |
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<replaceable>OS</replaceable>es not yet known to |
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<command>gnt-os</command>. |
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</para> |
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</refsect1> |
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&footer; |
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</refentry> |
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