测试12.2.0.1RAC PDB级别的Failover
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 string
db_file_name_convert string
db_name string orcl
db_unique_name string orcl
global_names boolean FALSE
instance_name string cdb11
lock_name_space string
log_file_name_convert string
pdb_file_name_convert string
processor_group_name string
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
service_names string orcl
SQL> show con_id
CON_ID
------------------------------
1
SQL> 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 2019
Copyright (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 string
db_file_name_convert string
db_name string orcl
db_unique_name string orcl
global_names boolean FALSE
instance_name string cdb11
lock_name_space string
log_file_name_convert string
pdb_file_name_convert string
processor_group_name string
NAME 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 Production
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 PDB1 READ WRITE NO
4 PDB2 READ WRITE NO
SQL> alter session set container=pdb1;
Session altered.
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDB1 READ WRITE NO
SQL> shutdown immediate;
Pluggable Database closed.
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDB1 MOUNTED
SQL>
5.客户端再次连接到服务端
[oracle@db01 admin]$ sqlplus scott/tiger@pdb
SQL*Plus: Release 11.2.0.4.0 Production on Fri Mar 1 18:23:48 2019
Copyright (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 string
db_file_name_convert string
db_name string orcl
db_unique_name string orcl
global_names boolean FALSE
instance_name string cdb12
lock_name_space string
log_file_name_convert string
pdb_file_name_convert string
processor_group_name string
NAME 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。
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