Several Pacemaker configuration options are deprecated.

• Configuring a score parameter in order constraints
• Use of the rkt container engine in bundles
• Use of upstart and nagios resources
• The monthdays, weekdays, weekyears, yearsdays and moon date specification options when configuring Pacemaker rules
• The yearsdays and moon duration options for configuring Pacemaker rules

The pcs command emits a warning when a system is configured to use any of the deprecated features or options.