</para>
<para>
+ The command is executed serially on the selected nodes. If the
+ master node is present in the list, the command will be
+ executed last on the master. Regarding the other nodes, the
+ execution order is somewhat alphabetic (it's smarter so that
+ node2.example.com will be earlier than node10.example.com but
+ after node1.example.com).
+ </para>
+
+ <para>
+ So given the node names node1, node2, node3, node10, node11,
+ with node3 being the master, the order will be: node1, node2,
+ node10, node11, node3.
+ </para>
+
+ <para>
The command is constructed by concatenating all other command
line arguments. For example, to list the contents of the
<filename class="directory">/etc</filename> directory on all
<arg>-g <replaceable>vg-name</replaceable></arg>
<arg>--master-netdev <replaceable>vg-name</replaceable></arg>
<arg>-m <replaceable>mac-prefix</replaceable></arg>
+ <arg>--no-lvm-storage</arg>
<arg choice="req"><replaceable>clustername</replaceable></arg>
</cmdsynopsis>
<para>
The <option>-g</option> option will let you specify a volume group
- different than xenvg for ganeti to use when creating instance disks.
- This volume group must have the same name on all nodes.
+ different than 'xenvg' for ganeti to use when creating instance disks.
+ This volume group must have the same name on all nodes. Once the
+ cluster is initialized this can be altered by using the
+ <command>modify</command> command. If you don't want to use lvm
+ storage at all use the <option>--no-lvm-storage</option> option.
+ Once the cluster is initialized you can change this setup with the
+ <command>modify</command> command.
</para>
<para>
default is aa:00:00.
</para>
+ <para>
+ The <option>--no-lvm-storage</option> allows you to initialize the
+ cluster without lvm support. This means that only instances using
+ files as storage backend will be possible to create. Once the cluster
+ is initialized you can change this setup with the
+ <command>modify</command> command.
+ </para>
</refsect2>
<refsect2>
</refsect2>
<refsect2>
+ <title>MODIFY</title>
+
+ <cmdsynopsis>
+ <command>modify</command>
+ <arg choice="opt">-g <replaceable>vg-name</replaceable></arg>
+ <arg choice="opt">--no-lvm-storage</arg>
+ </cmdsynopsis>
+
+ <para>
+ Modify the options for the cluster.
+ </para>
+
+ <para>
+ The <option>-g</option> and <option>--no-lvm-stoarge</option> are
+ described in the <command>init</command> command.
+ </para>
+ </refsect2>
+
+ <refsect2>
<title>REMOVE-TAGS</title>
<cmdsynopsis>
<cmdsynopsis>
<command>verify</command>
+ <arg choice="opt">--no-nplus1-mem</arg>
</cmdsynopsis>
<para>
respect to running instances, and incurs no downtime of the
instances.
</para>
+
+ <para>
+ If the <option>--no-nplus1-mem</option> option is given, ganeti won't
+ check whether if it loses a node it can restart all the instances on
+ their secondaries (and report an error otherwise).
+ </para>
</refsect2>
<refsect2>