Revision bf6fe28b doc/install.sgml

b/doc/install.sgml
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</screen>
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          </para>
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        </formalpara>
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        <para>
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          If you want to test the experimental HVM support
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          with Ganeti and want VNC access to the console of your
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          instances, set the following two entries in
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          <filename>/etc/xen/xend-config.sxp</filename>:
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<screen>
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(vnc-listen '0.0.0.0')
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(vncpasswd '')
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</screen>
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          You need to restart the Xen daemon for these settings to
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          take effect:
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<screen>
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/etc/init.d/xend restart
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</screen>
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        </para>
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      </sect3>
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......
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      </para>
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      <para>
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        To set up the cluster as an HVM cluster, use the
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        <option>--hypervisor=xen-hvm3.1</option> option to use
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        the Xen 3.1 HVM hypervisor. Note that with the
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        experimental HVM support, you will only be able to create
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        HVM instances in a cluster set to this hypervisor type. Mixed
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        PVM/HVM clusters are not supported by the Ganeti 1.2
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        experimental HVM support. You will also need to create the VNC
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        cluster password  file
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        <filename>/etc/ganeti/vnc-cluster-password</filename>
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        which contains one line with the default VNC password for the
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        cluster. Finally, you need to provide an installation ISO
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        image for HVM instance which will not only be mapped to the
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        first CDROM of the instance, but which the instance will also
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        boot from. This ISO image is expected at
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        <filename>/srv/ganeti/iso/hvm-install.iso</filename>.
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      </para>
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      <para>
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        You can also invoke the command with the
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        <option>--help</option> option in order to see all the
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        possibilities.

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