#. Maintenance stage: Maintenance script ((``Maintenance`` or ``Maintenance.sh`` or ``Maintenance.py``)) runs after a host has been put into maintenance. If no maintenance script is defined, or if the pre-flight or pre-maintenance scripts determine that no maintenance is required, then the host will not be put into maintenance, and the completion of the pre-maintenance scripts will signal the end of all maintenance tasks and the KVM agent will hand the host back to the management server. Once the maintenance scripts have signalled that it has completed, the host agent will signal to the management server that the maintenance tasks have completed, and therefore the host is ready to exit maintenance mode and any 'information' which was collected (such as processing times) will be returned to the management server.
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