使用 Pacemaker 搭建集群服务

Pacemaker 简述

Pacemaker 是一个集群资源管理器,它负责管理集群环境中资源(服务)的整个生命周期。

Pacemaker is a cluster resource manager, that is, a logic responsible for a life-cycle of deployed software — indirectly perhaps even whole systems or their interconnections — under its control within a set of computers (a.k.a. nodes) and driven by prescribed rules.

Pacemaker 的内部构成

Pacemaker 主要由以下部件组成:
CIB - Cluster Information Base
CRMd - Cluster Resource Management daemon
LRMd - Local Resource Management daemon
PEngine - Policy Engine
STONITHd - Fencing daemon
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