本节介绍了一种切换故障情形。在此情形中,cluster-paris 是原来的主群集,而 cluster-newyork 是原来的辅助群集。
经过切换,使服务从 cluster-paris 切换到了 cluster-newyork,如下所示:
phys-newyork-1# geopg switchover -f -m cluster-newyork srdfpg |
在处理 geopg switchover 命令期间,运行了 symrdf swap,该命令返回 EMC Symmetrix Remote Data Facility 设备组 devgroup1 的错误。因此,geopg switchover 命令返回以下故障消息:
Processing operation.... this may take a while .... "Switchover" failed for the following reason: Switchover failed for SRDF DG devgroup1 |
显示此故障消息后,这两个群集将处于以下状态:
cluster-paris: srdfpg role: Secondary cluster-newyork: srdfpg role: Secondary phys-newyork-1# symdg list D E V I C E G R O U P S Number of Name Type Valid Symmetrix ID Devs GKs BCVs VDEVs devgroup1 RDF1 Yes 000187401215 2 0 0 0 devgroup2 RDF2 Yes 000187401215 6 0 0 0 |