Synnefo

.. _i-backends:

Synnefo

-------

:ref:`synnefo <i-synnefo>` ||

:ref:`ns <i-ns>` ||

:ref:`apt <i-apt>` ||

:ref:`mq <i-mq>` ||

:ref:`db <i-db>` ||

:ref:`gunicorn <i-gunicorn>` ||

:ref:`apache <i-apache>` ||

:ref:`webproject <i-webproject>` ||

:ref:`astakos <i-astakos>` ||

:ref:`cms <i-cms>` ||

:ref:`pithos <i-pithos>` ||

:ref:`cyclades <i-cyclades>` ||

:ref:`kamaki <i-kamaki>` ||

backends

Backends

++++++++

:ref:`ganeti <i-ganeti>` ||

:ref:`image <i-image>` ||

:ref:`gtools <i-gtools>` ||

:ref:`network <i-network>`

The sections above, guide you though the actions needed to create a synnefo

backend. Once you have at least one backend up and running you can go back to

the :ref:`cyclades  <i-cyclades>` section, add the backend, create a public

network and have full synnefo functionality.

In the following sections we will refer to the following roles:

 * ``ganeti`` (all nodes of a Ganeti cluster/synnefo backend)

 * ``master`` (ganeti master node)

 * ``router``

Please note that all these roles can be "played" by the same node.

Prerequisites:

~~~~~~~~~~~~~~

``master``:

 - Available master IP that resolves to FQDN (ganeti.example.com)

``ganeti``:

 - primary interface: `eth0` with IP that resolves to FQDN (nodeX.example.com)

 - /etc/hosts: hostname should not resolv to 127.* address.

 - /etc/ssh/ssh_host_rsa_key*: must be identical among all nodes.

 - extra interfaces: `eth1`, `eth2` (vlans can be used too)

 - NFS mount point: `/srv/pithos`

 - lvm: Volume Group named `ganeti`

``router``:

 - primary interface: `eth0` with public routable IP

 - extra interfaces: `eth1`, `eth2` (vlans can be used too) connected with ganeti nodes