Chain
=====

In xCAT, we introduced the **chain** mechanism which means a series of tasks that had been defined in it can be done one by one on the specified node.

The **chain** mechanism is implemented in xCAT genesis system. The genesis is a customized Linux system, if can be used to do discovery and configuration after booted on the specified node.

.. toctree::
    :maxdepth: 2

    chain_table.rst
    chain_tasks.rst
    run_tasks_during_discovery.rst
    run_tasks_to_configure.rst