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Achieving high availability is one of the most important issues in the study of the OpenStack cloud management platform.In order to solve the problem that related services for OpenStack cloud management platform components running on a single node can cause single points of failure(SPoF),we combined with existing high-availability solutions,put forward a method based on Pacemaker+Corosync+HAProxy+Ceph to realize the high availability of OpenStack cloud management platform.This solution combines with Active-Active main/standby mode,Active-Passive Double live mode and cluster technology together,and then uses the method of hardware and software redundancy and transfer failure of service instance,finaly,comes up with the high availability of OpenStack cloud management platform.Experiments show that in the case of the system only having fewer nodes or lose of link,the method is effective.

OpenStack云平台的高可用设计与实现 (Design and Implementation of High-availability Based on OpenStack Cloud Platform).