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1.查看数据库状态
[oracle@rone1 ~]$ srvctl config database -d rone Database unique name: rone Database name: rone Oracle home: /u01/app/oracle/product/11.2.0/dbhome_1 Oracle user: oracle Spfile: +DATA/rone/spfilerone.ora Domain: Start options: open Stop options: immediate Database role: PRIMARY Management policy: AUTOMATIC Server pools: rone Database instances: rone_1,rone_2 Disk Groups: DATA,CRS Mount point paths: Services: bbone Type: RAC Database is administrator managed [oracle@rone1 ~]$ srvctl status database -d rone Instance rone_1 is running on node rone1 Instance rone_2 is running on node rone2
2.停掉一个instance
[oracle@rone2 trace]$ srvctl stop instance -d rone -n rone2
3.移除一个实例
[oracle@rone1 ~]$ srvctl remove instance -d rone -i rone_2 Remove instance from the database rone? (y/[n]) y
4.正式转换
[oracle@rone1 ~]$ srvctl convert database -d rone -c raconenode -w 30 -i rone
5.转换后验证
[oracle@rone1 ~]$ srvctl config database -d rone Database unique name: rone Database name: rone Oracle home: /u01/app/oracle/product/11.2.0/dbhome_1 Oracle user: oracle Spfile: +DATA/rone/spfilerone.ora Domain: Start options: open Stop options: immediate Database role: PRIMARY Management policy: AUTOMATIC Server pools: rone Database instances: Disk Groups: DATA,CRS Mount point paths: Services: bbone Type: RACOneNode Online relocation timeout: 30 Instance name prefix: rone Candidate servers: rone1 Database is administrator managed [oracle@rone1 ~]$ srvctl status database -d rone Instance rone_1 is running on node rone1 Online relocation: INACTIVE
语法：
srvctl convert database -d <db_unique_name> -c RACONENODE -i <inst prefix> -w <timeout>
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原文地址：http://www.cnblogs.com/abclife/p/5900399.html
