1.—关闭数据库,各个节点都要关闭: [oracle@rac1 ~]$ srvctl stop database -d racdb -o immediate 2.—启动任一节点到nomount状态: [oracle@rac1 ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on Thu Dec 29 14:32:06 2016 Copyright (c) 1982, 2013, Oracle. All rights…