Revision 216cb5af doc/install.rst
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For optimum performance when running both CPU and I/O intensive |
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instances, it's also recommended that the dom0 is restricted to one CPU |
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only, for example by booting with the kernel parameter ``maxcpus=1``. |
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only. For example you can add ``dom0_max_vcpus=1,dom0_vcpus_pin`` to your |
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kernels boot command line and set ``dom0-cpus`` in |
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``/etc/xen/xend-config.sxp`` like this:: |
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(dom0-cpus 1) |
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It is recommended that you disable xen's automatic save of virtual |
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machines at system shutdown and subsequent restore of them at reboot. |
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$ depmod -a |
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$ modprobe drbd minor_count=128 usermode_helper=/bin/true |
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It is also recommended that you comment out the default resources in
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the ``/etc/drbd.conf`` file, so that the init script doesn't try to |
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It is also recommended that you comment out the default resources (if any)
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in the ``/etc/drbd.conf`` file, so that the init script doesn't try to
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configure any drbd devices. You can do this by prefixing all |
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*resource* lines in the file with the keyword *skip*, like this: |
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Other required software |
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+++++++++++++++++++++++ |
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See :doc:`install-quick`. |
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Please install all software requirements mentioned in :doc:`install-quick`. |
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If you want to build Ganeti from source, don't forget to follow the steps |
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required for that as well. |
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Setting up the environment for Ganeti |
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------------------------------------- |
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installation script. An example OS that works under Debian and can |
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install Debian and Ubuntu instace OSes is provided on the project web |
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site. Download it from the project page and follow the instructions in |
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the ``README`` file. Here is the installation procedure (replace 0.9
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the ``README`` file. Here is the installation procedure (replace 0.12
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with the latest version that is compatible with your ganeti version):: |
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$ cd /usr/local/src/ |
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$ wget http://ganeti.googlecode.com/files/ganeti-instance-debootstrap-%0.9%.tar.gz
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$ tar xzf ganeti-instance-debootstrap-%0.9%.tar.gz
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$ cd ganeti-instance-debootstrap-%0.9%
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$ ./configure |
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$ wget http://ganeti.googlecode.com/files/ganeti-instance-debootstrap-%0.12%.tar.gz
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$ tar xzf ganeti-instance-debootstrap-%0.12%.tar.gz
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$ cd ganeti-instance-debootstrap-%0.12%
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$ ./configure --with-os-dir=/srv/ganeti/os
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$ make |
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$ make install |
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``kbd`` can be used instead of ``console-tools``, and more packages |
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can be added, of course, if needed. |
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Please refer to the ``README`` file of ``ganeti-instance-debootstrap`` for |
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further documentation. |
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Alternatively, you can create your own OS definitions. See the manpage |
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:manpage:`ganeti-os-interface(7)`. |
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**Mandatory** once per cluster, on the first node. |
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The last step is to initialize the cluster. After you have repeated the |
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above process on all of your nodes, choose one as the master, and |
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execute:: |
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above process on all of your nodes and choose one as the master. Make sure |
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there is a SSH key pair on the master node (optionally generating one using |
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``ssh-keygen``). Finally execute:: |
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$ gnt-cluster init %CLUSTERNAME% |
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