关键步骤：手工添加服务名A并启动（已验证默认的服务名测试验证无法实现Failover）
[oracle@db90 ~]$ srvctl add service -db orcl -service A -preferred cdb11,cdb12 -pdb pdb1 [oracle@db90 ~]$ srvctl start service -db orcl -service A
完整步骤：
1.确认环境信息
1.1 服务端信息：
SQL> show parameter name NAME TYPE VALUE------------------------------------ ----------- ------------------------------cdb_cluster_name string orcl cell_offloadgroup_name stringdb_file_name_convert stringdb_name string orcl db_unique_name string orcl global_names boolean FALSEinstance_name string cdb11 lock_name_space stringlog_file_name_convert stringpdb_file_name_convert stringprocessor_group_name stringNAME TYPE VALUE------------------------------------ ----------- ------------------------------service_names string orcl SQL> show con_id CON_ID------------------------------1SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED---------- ------------------------------ ---------- ---------- 2 PDB$SEED READ ONLY NO 3 PDB1 READ WRITE NO 4 PDB2 READ WRITE NO
1.2 客户端tnsnames.ora配置：
PDB= (DESCRIPTION = (ADDRESS_LIST = (LOAD_BALANCE = off) (FAILOVER=on) (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.90)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.92)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = A) (FAILOVER_MODE = (TYPE = SELECT) (METHOD = BASIC) (RETRIES = 180) (DELAY = 5) ) ) )
2.手工添加服务并启动
[oracle@db90 ~]$ srvctl add service -db orcl -service A -preferred cdb11,cdb12 -pdb pdb1 [oracle@db90 ~]$ srvctl start service -db orcl -service A
查看服务状态，看到已经成功增加了ora.orcl.a.svc：
[grid@db90 ~]$ crsctl stat res -t--------------------------------------------------------------------------------Name Target State Server State details --------------------------------------------------------------------------------Local Resources--------------------------------------------------------------------------------ora.ASMNET1LSNR_ASM.lsnr ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.DATA.dg ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.FRA.dg ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.LISTENER.lsnr ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.MGMT.dg ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.OCRVT.dg ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.chad ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.net1.network ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE ora.ons ONLINE ONLINE db90 STABLE ONLINE ONLINE db92 STABLE--------------------------------------------------------------------------------Cluster Resources--------------------------------------------------------------------------------ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE db92 STABLE ora.MGMTLSNR 1 ONLINE ONLINE db92 169.254.59.133 10.0. 0.92,STABLE ora.asm 1 ONLINE ONLINE db90 Started,STABLE 2 ONLINE ONLINE db92 Started,STABLE 3 OFFLINE OFFLINE STABLE ora.cvu 1 ONLINE ONLINE db90 STABLE ora.db90.vip 1 ONLINE ONLINE db90 STABLE ora.db92.vip 1 ONLINE ONLINE db92 STABLE ora.mgmtdb 1 ONLINE ONLINE db92 Open,STABLE ora.orcl.a.svc 1 ONLINE ONLINE db90 STABLE 2 ONLINE ONLINE db92 STABLE ora.orcl.db 1 ONLINE ONLINE db90 Open,HOME=/u01/app/o racle/product/12.2.0 /db_1,STABLE 2 ONLINE ONLINE db92 Open,HOME=/u01/app/o racle/product/12.2.0 /db_1,STABLE ora.qosmserver 1 ONLINE ONLINE db90 STABLE ora.scan1.vip 1 ONLINE ONLINE db92 STABLE--------------------------------------------------------------------------------
3.测试客户端连接到服务端
[oracle@db01 admin]$ sqlplus scott/tiger@pdb SQL*Plus: Release 11.2.0.4.0 Production on Fri Mar 1 17:35:08 2019Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production SQL> show parameter name NAME TYPE VALUE------------------------------------ ----------- ------------------------------cdb_cluster_name string orcl cell_offloadgroup_name stringdb_file_name_convert stringdb_name string orcl db_unique_name string orcl global_names boolean FALSEinstance_name string cdb11 lock_name_space stringlog_file_name_convert stringpdb_file_name_convert stringprocessor_group_name stringNAME TYPE VALUE------------------------------------ ----------- ------------------------------service_names string orcl
4.关闭实例1的pdb1
[oracle@db90 ~]$ sqlplus / as sysdba SQL*Plus: Release 12.2.0.1.0 Production on Fri Mar 1 18:21:33 2019 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit ProductionSQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 2 PDB$SEED READ ONLY NO 3 PDB1 READ WRITE NO 4 PDB2 READ WRITE NOSQL> alter session set container=pdb1;Session altered.SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 3 PDB1 READ WRITE NOSQL> shutdown immediate;Pluggable Database closed.SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 3 PDB1 MOUNTEDSQL>
5.客户端再次连接到服务端
[oracle@db01 admin]$ sqlplus scott/tiger@pdb SQL*Plus: Release 11.2.0.4.0 Production on Fri Mar 1 18:23:48 2019Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production SQL> show parameter name NAME TYPE VALUE------------------------------------ ----------- ------------------------------cdb_cluster_name string orcl cell_offloadgroup_name stringdb_file_name_convert stringdb_name string orcl db_unique_name string orcl global_names boolean FALSEinstance_name string cdb12 lock_name_space stringlog_file_name_convert stringpdb_file_name_convert stringprocessor_group_name stringNAME TYPE VALUE------------------------------------ ----------- ------------------------------service_names string orcl SQL>
6.测试完成重新启动实例1的pdb1
启动节点1的服务就会拉起实例1的pdb1:
[oracle@db90 ~]$ srvctl start service -db orcl -service A -node db90
整个测试过程已完成。
作者:AlfredZhao
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