oracle19c cdb rac to rac adg部署方案
oracle19c cdb rac to rac adg部署方案
基础环境信息：
主备库：
| 密码 |
sys/system所有初始化密码为：oracle |
| oracle版本 |
oracle19.5.0.0.0 |
| 操作系统 |
centos7.6x64 最小化安装 |
| 最低配置建议 |
cpu 2c mem 8g swap 8g / 50G 3个1G共享磁盘asm-crs1/2/3 3个10G共享磁盘asm-data1-3（不安装mgmt，如果安装则需要再加单独50G盘） |
| /etc/hosts |
/etc/hosts内容: 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 ####orcl##### #public 192.168.52.150 rac1 192.168.52.151 rac2 #vip 192.168.52.152 rac1-vip 192.168.52.153 rac2-vip #priv 192.168.161.150 rac1-priv 192.168.161.151 rac2-priv #scan 192.168.52.154 rac-scan
####dgorcl##### #public 192.168.52.160 dgrac1 192.168.52.161 dgrac2 #vip 192.168.52.162 dgrac1-vip 192.168.52.163 dgrac2-vip #priv 192.168.161.160 dgrac1-priv 192.168.161.161 dgrac2-priv #scan 192.168.52.164 dgrac-scan |
主库：
|
|
节点1 |
节点2 |
| 主机名 |
rac1 |
rac2 |
| public ip |
192.168.52.150 |
192.168.52.151 |
| private ip |
192.168.161.150 |
192.168.161.151 |
| vip |
192.168.52.152 |
192.168.52.153 |
| scan-ip |
192.168.161.154 |
|
| 数据库名 |
db_name orcl db_unique_name orcl SQL> show pdbs; CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 2 PDB$SEED READ ONLY NO 4 PDBORCL READ WRITE NO |
|
备库:
|
|
节点1 |
节点2 |
| 主机名 |
dgrac1 |
dgrac2 |
| public ip |
192.168.52.160 |
192.168.52.161 |
| private ip |
192.168.161.162 |
192.168.161.163 |
| vip |
192.168.52.160 |
192.168.52.161 |
| scan-ip |
192.168.161.164 |
|
| 数据库名 |
db_name orcl db_unique_name dgorcl |
|
1.主库：生成参数
SQL> create pfile='/home/oracle/o.txt' from spfile;
File created.
SQL> !cat /home/oracle/o.txt
orcl2.__data_transfer_cache_size=0
orcl1.__data_transfer_cache_size=0
orcl1.__db_cache_size=1644167168
orcl2.__db_cache_size=1677721600
orcl2.__inmemory_ext_roarea=0
orcl1.__inmemory_ext_roarea=0
orcl2.__inmemory_ext_rwarea=0
orcl1.__inmemory_ext_rwarea=0
orcl2.__java_pool_size=0
orcl1.__java_pool_size=0
orcl2.__large_pool_size=16777216
orcl1.__large_pool_size=16777216
orcl1.__oracle_base='/oracle/app/oracle'#ORACLE_BASE set from environment
orcl2.__oracle_base='/oracle/app/oracle'#ORACLE_BASE set from environment
orcl2.__pga_aggregate_target=822083584
orcl1.__pga_aggregate_target=822083584
orcl2.__sga_target=2466250752
orcl1.__sga_target=2466250752
orcl2.__shared_io_pool_size=117440512
orcl1.__shared_io_pool_size=117440512
orcl1.__shared_pool_size=671088640
orcl2.__shared_pool_size=637534208
orcl2.__streams_pool_size=0
orcl1.__streams_pool_size=0
orcl2.__unified_pga_pool_size=0
orcl1.__unified_pga_pool_size=0
*.adg_redirect_dml=TRUE
*.audit_file_dest='/oracle/app/oracle/admin/orcl/adump'
*.audit_trail='none'
*.cluster_database=true
*.compatible='19.0.0'
*.control_files='+DATA/ORCL/CONTROLFILE/current.265.1026902749'
*.db_block_size=8192
*.db_create_file_dest='+DATA'
*.db_name='orcl'
*.db_recovery_file_dest_size=10737418240
*.db_recovery_file_dest='+DATA'
*.db_unique_name='orcl'
*.dg_broker_config_file1='+DATA/orcl/dr3orcl.dat'
*.dg_broker_config_file2='+DATA/orcl/dr4orcl.dat'
*.dg_broker_start=TRUE
*.diagnostic_dest='/oracle/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.enable_pluggable_database=true
*.fal_server=''
family:dw_helper.instance_mode='read-only'
orcl1.instance_number=1
orcl2.instance_number=2
*.local_listener='-oraagent-dummy-'
*.log_archive_config='nodg_config'
*.log_archive_dest_1='location=+DATA'
*.log_archive_dest_2=''
*.log_archive_dest_state_2='ENABLE'
*.nls_language='AMERICAN'
*.nls_territory='AMERICA'
*.open_cursors=300
*.pga_aggregate_target=780m
*.processes=320
*.remote_login_passwordfile='exclusive'
*.resource_manager_plan='DEFAULT_CDB_PLAN'
*.sga_target=2340m
*.standby_file_management='AUTO'
orcl2.thread=2
orcl1.thread=1
*.undo_tablespace='UNDOTBS1'
orcl2.undo_tablespace='UNDOTBS2'
orcl1.undo_tablespace='UNDOTBS1'
*.log_file_name_convert='+DATA','+DATA'
*.db_file_name_convert='+DATA','+DATA'
参数当中
2.备库：准备参数：
两个节点oracle用户执行：mkdir -p /oracle/app/oracle/admin/dgorcl/adump
*.adg_redirect_dml=TRUE
*.audit_file_dest='/oracle/app/oracle/admin/dgorcl/adump'
*.audit_trail='none'
*.cluster_database=true
*.compatible='19.0.0'
*.control_files='+DATA/ORCL/CONTROLFILE/current.265.1026902749'#这个文件在恢复后会被自动替换掉，所以不用管
*.db_block_size=8192
*.db_create_file_dest='+DATA'
*.db_name='orcl'
*.db_recovery_file_dest_size=10737418240
*.db_recovery_file_dest='+DATA'
*.db_unique_name='dgorcl'
*.diagnostic_dest='/oracle/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.enable_pluggable_database=true
*.fal_server=''
family:dw_helper.instance_mode='read-only'
orcl1.instance_number=1
orcl2.instance_number=2
*.local_listener='-oraagent-dummy-'
*.log_archive_config='nodg_config'
*.log_archive_dest_1='location=+DATA'
*.log_archive_dest_2=''
*.log_archive_dest_state_2='ENABLE'
*.nls_language='AMERICAN'
*.nls_territory='AMERICA'
*.open_cursors=300
*.pga_aggregate_target=780m
*.processes=320
*.remote_login_passwordfile='exclusive'
*.resource_manager_plan='DEFAULT_CDB_PLAN'
*.sga_target=2340m
*.standby_file_management='AUTO'
orcl2.thread=2
orcl1.thread=1
orcl2.undo_tablespace='UNDOTBS2'
orcl1.undo_tablespace='UNDOTBS1'
*.log_file_name_convert='+DATA','+DATA'
*.db_file_name_convert='+DATA','+DATA'
3.备库：启动nomount状态
[oracle@dgrac1 ~]$ sqlplus /nolog
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 11:22:31 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup nomount pfile='/home/oracle/adg.txt';
ORACLE instance started.
Total System Global Area 2466250400 bytes
Fixed Size 9137824 bytes
Variable Size 603979776 bytes
Database Buffers 1845493760 bytes
Redo Buffers 7639040 bytes
SQL> exit
4.主库：准备密码文件
[grid@rac1 ~]$ srvctl config database -d orcl
Database unique name: orcl
Database name: orcl
Oracle home: /oracle/app/oracle/product/19c/dbhome_1
Oracle user: oracle
Spfile: +DATA/ORCL/PARAMETERFILE/spfile.287.1026905945
Password file: +DATA/ORCL/PASSWORD/pwdorcl.269.1026902735
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools:
Disk Groups: DATA
Mount point paths:
Services:
Type: RAC
Start concurrency:
Stop concurrency:
OSDBA group: dba
OSOPER group: oper
Database instances: orcl1,orcl2
Configured nodes: rac1,rac2
CSS critical: no
CPU count: 0
Memory target: 0
Maximum memory: 0
Default network number for database services:
Database is administrator managed
[grid@rac1 ~]$ asmcmd pwcopy +DATA/ORCL/PASSWORD/pwdorcl.269.1026902735 /home/grid/orapworcl1
copying +DATA/ORCL/PASSWORD/pwdorcl.269.1026902735 -> /home/grid/orapworcl1
[grid@rac1 ~]$ pwd
/home/grid
拷贝到dgrac1节点:
[grid@rac1 ~]$ scp orapworcl1 dgrac1:/home/grid/
The authenticity of host 'dgrac1 (192.168.52.160)' can't be established.
ECDSA key fingerprint is SHA256:xpJNeZwdOi6mRKZkQOaAL0N+tViUh1GuZlBDhnLYelg.
ECDSA key fingerprint is MD5:9c:74:bd:93:4b:26:f6:dc:6d:69:a0:2e:c6:2a:23:be.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'dgrac1,192.168.52.160' (ECDSA) to the list of known hosts.
grid@dgrac1's password:
orapworcl1
5.备库：将密码文件放到节点1的dbs下:
[oracle@dgrac1 admin]$ cd $ORACLE_HOME/dbs
[oracle@dgrac1 dbs]$ ls -lt|head
total 131848
-rw-rw---- 1 oracle asmadmin 1544 Mar 6 11:25 hc_orcl1.dat
-rw-r----- 1 oracle asmadmin 2097152 Mar 6 10:13 id_orcl1.dat
-rw-r----- 1 oracle asmadmin 20119552 Mar 5 10:57 c-1554683481-20200305-00
-rw-r----- 1 oracle asmadmin 20004864 Mar 5 10:57 snapcf_orcl1.f
-rw-r----- 1 oracle asmadmin 20119552 Mar 4 23:24 c-1554683481-20200304-04
-rw-r----- 1 oracle asmadmin 3584 Mar 4 22:55 spfileorcl1.ora
-rw-r----- 1 oracle asmadmin 133120 Mar 4 22:33 arch2_16_1026902745.dbf
-rw-r----- 1 oracle asmadmin 169472 Mar 4 22:33 arch1_43_1026902745.dbf
-rw-r----- 1 oracle asmadmin 428544 Mar 4 22:27 arch1_42_1026902745.dbf
[oracle@dgrac1 dbs]$ ls -lt pw*
-rw-r----- 1 oracle oinstall 2048 Nov 19 11:59 pwdcisdb1bak
[oracle@dgrac1 dbs]$ exit
logout
[root@dgrac1 ~]# su - oracle
Last login: Fri Mar 6 11:25:00 CST 2020 on pts/0
[oracle@dgrac1 ~]$ cd $ORACLE_HOME/dbs
[oracle@dgrac1 dbs]$ pwd
/oracle/app/oracle/product/19c/dbhome_1/dbs
[oracle@dgrac1 dbs]$ exit
logout
[root@dgrac1 ~]# cp /home/grid/orapworcl1 /oracle/app/oracle/product/19c/dbhome_1/dbs/
[root@dgrac1 ~]# chown oracle:asmadmin /oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1
[root@dgrac1 ~]# ls -l /oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1
-rw-r----- 1 oracle asmadmin 2048 Mar 6 11:37 /oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1
此时备库还是连接不上，监听没有数据的实例名:
[oracle@dgrac1 ~]$ lsnrctl status
LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 06-MAR-2020 11:44:49
Copyright (c) 1991, 2019, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date 06-MAR-2020 11:43:10
Uptime 0 days 0 hr. 1 min. 38 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /oracle/app/19c/grid/network/admin/listener.ora
Listener Log File /oracle/app/grid/diag/tnslsnr/dgrac1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.52.160)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.52.162)(PORT=1521)))
Services Summary...
Service "+ASM" has 1 instance(s).
Instance "+ASM1", status READY, has 1 handler(s) for this service...
Service "+ASM_CRS" has 1 instance(s).
Instance "+ASM1", status READY, has 1 handler(s) for this service...
Service "+ASM_DATA" has 1 instance(s).
Instance "+ASM1", status READY, has 1 handler(s) for this service...
The command completed successfully
[oracle@dgrac1 ~]$ sqlplus sys/oracle@dgorcl as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 11:44:55 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
Enter user-name: ^C
[oracle@dgrac1 ~]$
6.主备库：oracle用户下调整所有节点的tnsnames.ora内容：
[oracle@rac1 admin]$ cat tnsnames.ora
# tnsnames.ora.dgrac1 Network Configuration File: /oracle/app/oracle/product/19c/dbhome_1/network/admin/tnsnames.ora.dgrac1
# Generated by Oracle configuration tools.
PDBDGORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = dgrac-scan)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = pdborcl)
)
)
PDBORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = pdborcl)
)
)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
DGORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = dgrac1-vip)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = dgorcl)
)
)
指定备库节点1的dgrac1-vip为恢复主机点，等恢复完成后再还原为dgrac-scan。
务必将修改好的tnsname.ora拷贝到其它主备的所有节点上。
[oracle@dgrac1 admin]$ scp tnsnames.ora dgrac2:$ORACLE_HOME/network/admin/
tnsnames.ora 100% 881 51.7KB/s 00:00
[oracle@dgrac1 admin]$ scp tnsnames.ora rac2:$ORACLE_HOME/network/admin/
The authenticity of host 'rac2 (192.168.52.151)' can't be established.
ECDSA key fingerprint is SHA256:0o1bl6augRCMplUh4hZzkJp6uQQpZmMWeaPyVQvpl80.
ECDSA key fingerprint is MD5:f0:24:21:d9:10:7c:87:18:2b:df:3e:ff:af:df:e3:e9.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac2,192.168.52.151' (ECDSA) to the list of known hosts.
oracle@rac2's password:
tnsnames.ora 100% 881 574.7KB/s 00:00
[oracle@dgrac1 admin]$ scp tnsnames.ora rac1:$ORACLE_HOME/network/admin/
The authenticity of host 'rac1 (192.168.52.150)' can't be established.
ECDSA key fingerprint is SHA256:xpJNeZwdOi6mRKZkQOaAL0N+tViUh1GuZlBDhnLYelg.
ECDSA key fingerprint is MD5:9c:74:bd:93:4b:26:f6:dc:6d:69:a0:2e:c6:2a:23:be.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac1,192.168.52.150' (ECDSA) to the list of known hosts.
oracle@rac1's password:
tnsnames.ora 100% 881 772.9KB/s 00:00
7.备库节点1：grid用户下调整节点1监听
只在备库节点1操作增加如下静态监听即可:
[grid@dgrac1 admin]$ cat listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = dgorcl)
(ORACLE_HOME = /oracle/app/oracle/product/19c/dbhome_1)
(SID_NAME = orcl1)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = LISTENER))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = dgrac-scan)(PORT = 1521))
)
)
LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))) # line added by Agent
LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))) # line added by Agent
ASMNET1LSNR_ASM=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=ASMNET1LSNR_ASM)))) # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_ASMNET1LSNR_ASM=ON # line added by Agent
VALID_NODE_CHECKING_REGISTRATION_ASMNET1LSNR_ASM=SUBNET # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON # line added by Agent
VALID_NODE_CHECKING_REGISTRATION_LISTENER_SCAN1=OFF # line added by Agent - Disabled by Agent because REMOTE_REGISTRATION_ADDRESS is set
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON # line added by Agent
VALID_NODE_CHECKING_REGISTRATION_LISTENER=SUBNET # line added by Agent
8.备库：节点1重启监听:
[grid@dgrac1 admin]$ srvctl stop scan_listener
[grid@dgrac1 admin]$ srvctl stop listener
[grid@dgrac1 admin]$ srvctl start scan_listener
[grid@dgrac1 admin]$ srvctl start listener
[grid@dgrac1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 06-MAR-2020 13:51:21
Copyright (c) 1991, 2019, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date 06-MAR-2020 13:41:17
Uptime 0 days 0 hr. 10 min. 3 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /oracle/app/19c/grid/network/admin/listener.ora
Listener Log File /oracle/app/grid/diag/tnslsnr/dgrac1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.52.160)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.52.162)(PORT=1521)))
Services Summary...
Service "+ASM" has 1 instance(s).
Instance "+ASM1", status READY, has 1 handler(s) for this service...
Service "+ASM_CRS" has 1 instance(s).
Instance "+ASM1", status READY, has 1 handler(s) for this service...
Service "+ASM_DATA" has 1 instance(s).
Instance "+ASM1", status READY, has 1 handler(s) for this service...
Service "dgorcl" has 1 instance(s).
Instance "orcl1", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
检查确认监听状态是否存在红色部分内容。
9.主备库：测试联通性
[oracle@rac1 admin]$ cat tnsnames.ora
# tnsnames.ora.dgrac1 Network Configuration File: /oracle/app/oracle/product/19c/dbhome_1/network/admin/tnsnames.ora.dgrac1
# Generated by Oracle configuration tools.
PDBDGORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = dgrac-scan)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = pdborcl)
)
)
PDBORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = pdborcl)
)
)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
DGORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = dgrac1-vip)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = dgorcl)
)
)
主节点测试:
[oracle@rac1 admin]$ sqlplus sys/oracle@orcl as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 14:02:32 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
[oracle@rac1 admin]$ sqlplus sys/oracle@dgorcl as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 14:02:38 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
备节点测试：
[oracle@rac1 admin]$ ssh dgrac1
oracle@dgrac1's password:
Last login: Fri Mar 6 12:07:05 2020
[oracle@dgrac1 ~]$ sqlplus sys/oracle@orcl as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 14:03:03 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
[oracle@dgrac1 ~]$ sqlplus sys/oracle@dgorcl as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 14:03:07 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.5.0.0.0
SQL>
10.备库：执行恢复
[oracle@dgrac1 ~]$ nohup ./cdbdg.sh &
[1] 68990
[oracle@dgrac1 ~]$ nohup: ignoring input and appending output to 鈥榥ohup.out鈥
[oracle@dgrac1 ~]$
[oracle@dgrac1 ~]$
[oracle@dgrac1 ~]$ tail -f cdb-rman-20200306-1209.log
RMAN-03002: failure of Duplicate Db command at 03/06/2020 12:09:37
RMAN-05501: aborting duplication of target database
RMAN-03015: error occurred in stored script Memory Script
RMAN-03009: failure of backup command on cl1 channel at 03/06/2020 12:09:37
ORA-17627: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor –此处报错是因为之前tnsnames.ora没有拷贝到主库的节点引起
ORA-17629: Cannot connect to the remote database server
RMAN>
Recovery Manager complete.
^C
[1]+ Exit 1 nohup ./cdbdg.sh
[oracle@dgrac1 ~]$
[oracle@dgrac1 ~]$
[oracle@dgrac1 ~]$
[oracle@dgrac1 ~]$ cat cdbdg.sh
rman target sys/oracle@orcl auxiliary sys/oracle@dgorcl log /home/oracle/cdb-rman-`date +%Y%m%d-%H%M`.log < run { allocate channel cl1 type disk; allocate auxiliary channel c1 type disk; duplicate target database for standby from active database nofilenamecheck; release channel c1; release channel cl1; } EOF [oracle@dgrac1 admin]$ rman target sys/oracle@orcl auxiliary sys/oracle@dgorcl Recovery Manager: Release 19.0.0.0.0 - Production on Fri Mar 6 13:44:18 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved. connected to target database: ORCL (DBID=1554683481) connected to auxiliary database: ORCL (not mounted) RMAN> run 2> { 3> allocate channel cl1 type disk; 4> allocate auxiliary channel c1 type disk; 5> duplicate target database for standby from active database nofilenamecheck; 6> release channel c1; 7> release channel cl1; 8> } using target database control file instead of recovery catalog allocated channel: cl1 channel cl1: SID=307 instance=orcl1 device type=DISK allocated channel: c1 channel c1: SID=33 instance=orcl1 device type=DISK Starting Duplicate Db at 2020-03-06 13:44:27 contents of Memory Script: { backup as copy reuse passwordfile auxiliary format '/oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1' ; } executing Memory Script Starting backup at 2020-03-06 13:44:27 released channel: cl1 released channel: c1 RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of Duplicate Db command at 03/06/2020 13:44:27 RMAN-05501: aborting duplication of target database RMAN-03015: error occurred in stored script Memory Script RMAN-03009: failure of backup command on cl1 channel at 03/06/2020 13:44:27 ORA-17627: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor ORA-17629: Cannot connect to the remote database server RMAN> exit 上述报错是因为主库的两个节点tnsnames.ora没有和备库节点1的文件同步。导致主库连接不了备库。 恢复记录如下: [oracle@dgrac1 admin]$ rman target sys/oracle@orcl auxiliary sys/oracle@dgorcl Recovery Manager: Release 19.0.0.0.0 - Production on Fri Mar 6 13:51:29 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved. connected to target database: ORCL (DBID=1554683481) connected to auxiliary database: ORCL (not mounted) RMAN> run { allocate channel cl1 type disk; allocate auxiliary channel c1 type disk; duplicate target database for standby from active database nofilenamecheck; release channel c1; release channel cl1; } using target database control file instead of recovery catalog allocated channel: cl1 channel cl1: SID=76 instance=orcl2 device type=DISK allocated channel: c1 channel c1: SID=252 instance=orcl1 device type=DISK Starting Duplicate Db at 2020-03-06 13:51:39 contents of Memory Script: { backup as copy reuse passwordfile auxiliary format '/oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1' ; } executing Memory Script Starting backup at 2020-03-06 13:51:40 Finished backup at 2020-03-06 13:51:43 contents of Memory Script: { sql clone "alter system set control_files = ''+DATA/DGORCL/CONTROLFILE/current.361.1034344305'' comment= ''Set by RMAN'' scope=spfile"; restore clone from service 'orcl' standby controlfile; } executing Memory Script sql statement: alter system set control_files = ''+DATA/DGORCL/CONTROLFILE/current.361.1034344305'' comment= ''Set by RMAN'' scope=spfile Starting restore at 2020-03-06 13:51:44 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: restoring control file channel c1: restore complete, elapsed time: 00:00:04 output file name=+DATA/DGORCL/CONTROLFILE/current.269.1034344307 Finished restore at 2020-03-06 13:51:50 contents of Memory Script: { sql clone 'alter database mount standby database'; } executing Memory Script sql statement: alter database mount standby database RMAN-05529: warning: DB_FILE_NAME_CONVERT resulted in invalid ASM names; names changed to disk group only. contents of Memory Script: { set newname for tempfile 1 to "+DATA"; set newname for tempfile 2 to "+DATA"; set newname for tempfile 4 to "+DATA"; switch clone tempfile all; set newname for datafile 1 to "+DATA"; set newname for datafile 2 to "+DATA"; set newname for datafile 3 to "+DATA"; set newname for datafile 4 to "+DATA"; set newname for datafile 5 to "+DATA"; set newname for datafile 6 to "+DATA"; set newname for datafile 7 to "+DATA"; set newname for datafile 8 to "+DATA"; set newname for datafile 14 to "+DATA"; set newname for datafile 15 to "+DATA"; set newname for datafile 16 to "+DATA"; set newname for datafile 17 to "+DATA"; set newname for datafile 18 to "+DATA"; restore from nonsparse from service 'orcl' clone database ; sql 'alter system archive log current'; } executing Memory Script executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME renamed tempfile 1 to +DATA in control file renamed tempfile 2 to +DATA in control file renamed tempfile 4 to +DATA in control file executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME Starting restore at 2020-03-06 13:51:57 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00001 to +DATA channel c1: restore complete, elapsed time: 00:00:36 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00002 to +DATA channel c1: restore complete, elapsed time: 00:00:15 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00003 to +DATA channel c1: restore complete, elapsed time: 00:00:35 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00004 to +DATA channel c1: restore complete, elapsed time: 00:00:15 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00005 to +DATA channel c1: restore complete, elapsed time: 00:00:26 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00006 to +DATA channel c1: restore complete, elapsed time: 00:00:15 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00007 to +DATA channel c1: restore complete, elapsed time: 00:00:07 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00008 to +DATA channel c1: restore complete, elapsed time: 00:00:01 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00014 to +DATA channel c1: restore complete, elapsed time: 00:00:16 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00015 to +DATA channel c1: restore complete, elapsed time: 00:00:15 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00016 to +DATA channel c1: restore complete, elapsed time: 00:00:15 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00017 to +DATA channel c1: restore complete, elapsed time: 00:00:15 channel c1: starting datafile backup set restore channel c1: using network backup set from service orcl channel c1: specifying datafile(s) to restore from backup set channel c1: restoring datafile 00018 to +DATA channel c1: restore complete, elapsed time: 00:00:01 Finished restore at 2020-03-06 13:55:29 sql statement: alter system archive log current contents of Memory Script: { switch clone datafile all; } executing Memory Script datafile 1 switched to datafile copy input datafile copy RECID=14 STAMP=1034344531 file name=+DATA/DGORCL/DATAFILE/system.374.1034344317 datafile 2 switched to datafile copy input datafile copy RECID=15 STAMP=1034344531 file name=+DATA/DGORCL/998DDBCF1D91E20FE0539634A8C06305/DATAFILE/system.375.1034344353 datafile 3 switched to datafile copy input datafile copy RECID=16 STAMP=1034344531 file name=+DATA/DGORCL/DATAFILE/sysaux.377.1034344369 datafile 4 switched to datafile copy input datafile copy RECID=17 STAMP=1034344531 file name=+DATA/DGORCL/998DDBCF1D91E20FE0539634A8C06305/DATAFILE/sysaux.379.1034344403 datafile 5 switched to datafile copy input datafile copy RECID=18 STAMP=1034344531 file name=+DATA/DGORCL/DATAFILE/undotbs1.381.1034344419 datafile 6 switched to datafile copy input datafile copy RECID=19 STAMP=1034344531 file name=+DATA/DGORCL/998DDBCF1D91E20FE0539634A8C06305/DATAFILE/undotbs1.287.1034344445 datafile 7 switched to datafile copy input datafile copy RECID=20 STAMP=1034344531 file name=+DATA/DGORCL/DATAFILE/undotbs2.265.1034344459 datafile 8 switched to datafile copy input datafile copy RECID=21 STAMP=1034344531 file name=+DATA/DGORCL/DATAFILE/users.272.1034344467 datafile 14 switched to datafile copy input datafile copy RECID=22 STAMP=1034344531 file name=+DATA/DGORCL/A0044C1C44692EE6E0539634A8C0A37C/DATAFILE/system.266.1034344469 datafile 15 switched to datafile copy input datafile copy RECID=23 STAMP=1034344531 file name=+DATA/DGORCL/A0044C1C44692EE6E0539634A8C0A37C/DATAFILE/sysaux.267.1034344483 datafile 16 switched to datafile copy input datafile copy RECID=24 STAMP=1034344531 file name=+DATA/DGORCL/A0044C1C44692EE6E0539634A8C0A37C/DATAFILE/undotbs1.376.1034344499 datafile 17 switched to datafile copy input datafile copy RECID=25 STAMP=1034344531 file name=+DATA/DGORCL/A0044C1C44692EE6E0539634A8C0A37C/DATAFILE/undo_2.378.1034344513 datafile 18 switched to datafile copy input datafile copy RECID=26 STAMP=1034344531 file name=+DATA/DGORCL/A0044C1C44692EE6E0539634A8C0A37C/DATAFILE/users.380.1034344529 Finished Duplicate Db at 2020-03-06 14:02:49 released channel: c1 released channel: cl1 RMAN> RMAN> RMAN> exit Recovery Manager complete. [oracle@dgrac1 admin]$ [root@dgrac1 ~]# su - oracle Last login: Fri Mar 6 14:02:57 CST 2020 from rac1 on pts/2 [oracle@dgrac1 ~]$ sqlplus /nolog SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 14:05:55 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. SQL> conn /as sysdba Connected. SQL> create pfile='/home/oracle/r.txt' from spfile; File created. SQL> show parameter pfile; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ spfile string /oracle/app/oracle/product/19c /dbhome_1/dbs/spfileorcl1.ora SQL> select status from v$instance; STATUS ------------ MOUNTED SQL> !cat /home/oracle/r.txt *.adg_redirect_dml=TRUE *.audit_file_dest='/oracle/app/oracle/admin/orcl/adump' *.audit_trail='none' *.cluster_database=true *.compatible='19.0.0' *.control_files='+DATA/DGORCL/CONTROLFILE/current.269.1034344307'#Restore Controlfile *.db_block_size=8192 *.db_create_file_dest='+DATA' *.db_file_name_convert='+DATA','+DATA' *.db_name='orcl' *.db_recovery_file_dest_size=10737418240 *.db_recovery_file_dest='+DATA' *.db_unique_name='dgorcl' *.dg_broker_config_file1='+DATA/dgorcl/dr1dgorcl.dat' *.dg_broker_config_file2='+DATA/dgorcl/dr2dgorcl.dat' *.dg_broker_start=TRUE *.diagnostic_dest='/oracle/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)' *.enable_pluggable_database=true *.fal_server='' family:dw_helper.instance_mode='read-only' orcl1.instance_number=1 orcl2.instance_number=2 *.local_listener='-oraagent-dummy-' *.log_archive_config='nodg_config' *.log_archive_dest_1='location=+DATA' *.log_archive_dest_2='' *.log_archive_dest_state_2='ENABLE' *.log_file_name_convert='+DATA','+DATA' *.nls_language='AMERICAN' *.nls_territory='AMERICA' *.open_cursors=300 *.pga_aggregate_target=780m *.processes=320 *.remote_login_passwordfile='exclusive' *.resource_manager_plan='DEFAULT_CDB_PLAN' *.sga_target=2340m *.standby_file_management='AUTO' orcl2.thread=2 orcl1.thread=1 orcl2.undo_tablespace='UNDOTBS2' orcl1.undo_tablespace='UNDOTBS1' SQL> 去掉划掉的信息后，执行: SQL> create spfile='+DATA' from pfile='/home/oracle/r.txt'; File created. 检查spfile路径： [root@dgrac1 ~]# su - grid Last login: Fri Mar 6 14:06:42 CST 2020 [grid@dgrac1 ~]$ ls a.txt orapworcl1 [grid@dgrac1 ~]$ asmcmd ASMCMD> lsdg State Type Rebal Sector Logical_Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name MOUNTED NORMAL N 512 512 4096 4194304 3072 2100 1024 538 0 Y CRS/ MOUNTED EXTERN N 512 512 4096 4194304 32768 23056 0 23056 0 N DATA/ ASMCMD> cd data ASMCMD> ls DGORCL/ ASMCMD> cd dgorcl ASMCMD> ls 998DDBCF1D91E20FE0539634A8C06305/ A0044C1C44692EE6E0539634A8C0A37C/ CONTROLFILE/ DATAFILE/ ONLINELOG/ PARAMETERFILE/ ASMCMD> cd para* ASMCMD> pwd +data/dgorcl/PARAMETERFILE ASMCMD> ls spfile.403.1034345285 asmcmd pwcopy /oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1 +DATA/DGORCL/orapworcl ASMCMD> pwcopy /oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1 +DATA/DGORCL/orapworcl copying /oracle/app/oracle/product/19c/dbhome_1/dbs/orapworcl1 -> +DATA/DGORCL/orapworcl ASMCMD> ls -l +DATA/DGORCL/orapworcl Type Redund Striped Time Sys Name PASSWORD UNPROT COARSE MAR 06 14:00:00 N orapworcl => +DATA/DB_UNKNOWN/PASSWORD/pwddb_unknown.402.1034345499 在备库节点1使用oracle用户操作: [oracle@dgrac1 ~]$ srvctl add database -db dgorcl -dbname orcl -oraclehome /oracle/app/oracle/product/19c/dbhome_1 -dbtype RAC -role PHYSICAL_STANDBY [oracle@dgrac1 ~]$ [oracle@dgrac1 ~]$ srvctl add instance -db dgorcl -instance orcl1 -node dgrac1 [oracle@dgrac1 ~]$ srvctl add instance -db dgorcl -instance orcl2 -node dgrac2 [oracle@dgrac1 ~]$srvctl modify database -db dgorcl -spfile '+data/dgorcl/parameterfile/spfile.403.1034345285' -pwfile '+DATA/DGORCL/orapworcl' -diskgroup DATA 参数文件为11节中生成的文件名称。 [oracle@dgrac1 ~]$ srvctl config database -d dgorcl Database unique name: dgorcl Database name: orcl Oracle home: /oracle/app/oracle/product/19c/dbhome_1 Oracle user: oracle Spfile: +data/dgorcl/parameterfile/spfile.403.1034345285 Password file: +DATA/DGORCL/orapworcl Domain: Start options: open Stop options: immediate Database role: PHYSICAL_STANDBY Management policy: AUTOMATIC Server pools: Disk Groups: DATA Mount point paths: Services: Type: RAC Start concurrency: Stop concurrency: OSDBA group: dba OSOPER group: oper Database instances: orcl1,orcl2 Configured nodes: dgrac1,dgrac2 CSS critical: no CPU count: 0 Memory target: 0 Maximum memory: 0 Default network number for database services: Database is administrator managed [grid@dgrac1 admin]$ cat listener.ora LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))) # line added by Agent LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))) # line added by Agent ASMNET1LSNR_ASM=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=ASMNET1LSNR_ASM)))) # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_ASMNET1LSNR_ASM=ON # line added by Agent VALID_NODE_CHECKING_REGISTRATION_ASMNET1LSNR_ASM=SUBNET # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON # line added by Agent VALID_NODE_CHECKING_REGISTRATION_LISTENER_SCAN1=OFF # line added by Agent - Disabled by Agent because REMOTE_REGISTRATION_ADDRESS is set ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON # line added by Agent VALID_NODE_CHECKING_REGISTRATION_LISTENER=SUBNET # line added by Agent [oracle@dgrac1 admin]$ cat tnsnames.ora # tnsnames.ora.dgrac1 Network Configuration File: /oracle/app/oracle/product/19c/dbhome_1/network/admin/tnsnames.ora.dgrac1 # Generated by Oracle configuration tools. PDBDGORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = dgrac-scan)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = pdborcl) ) ) PDBORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = pdborcl) ) ) ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) DGORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = dgrac-scan)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = dgorcl) ) ) [oracle@dgrac1 admin]$ scp tnsnames.ora dgrac2:$ORACLE_HOME/network/admin/ tnsnames.ora 100% 881 1.3MB/s 00:00 [oracle@dgrac1 admin]$ scp tnsnames.ora rac2:$ORACLE_HOME/network/admin/ oracle@rac2's password: tnsnames.ora 100% 881 1.1MB/s 00:00 [oracle@dgrac1 admin]$ scp tnsnames.ora rac1:$ORACLE_HOME/network/admin/ oracle@rac1's password: tnsnames.ora 100% 881 1.3MB/s 00:00 还原后grid用户重启备库dgrac1节点1监听: su - grid srvctl stop listener srvctl stop scan_listener srvctl start listener srvctl start scan_listener [grid@dgrac1 ~]$ srvctl stop database -d dgorcl -o immediate PRCC-1016 : dgorcl was already stopped [grid@dgrac1 ~]$ srvctl start database -d dgorcl -o mount [grid@dgrac1 ~]$ crsctl stat res -t -------------------------------------------------------------------------------- Name Target State Server State details -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.LISTENER.lsnr ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.chad ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.net1.network ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.ons ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 ONLINE OFFLINE STABLE ora.CRS.dg(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.DATA.dg(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE dgrac2 STABLE ora.asm(ora.asmgroup) 1 ONLINE ONLINE dgrac1 Started,STABLE 2 ONLINE ONLINE dgrac2 Started,STABLE 3 OFFLINE OFFLINE STABLE ora.asmnet1.asmnetwork(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.cvu 1 ONLINE ONLINE dgrac1 STABLE ora.dgorcl.db 1 ONLINE INTERMEDIATE dgrac1 Mounted (Closed),HOM E=/oracle/app/oracle /product/19c/dbhome_ 1,STABLE 2 ONLINE INTERMEDIATE dgrac2 Mounted (Closed),HOM E=/oracle/app/oracle /product/19c/dbhome_ 1,STABLE ora.dgrac1.vip 1 ONLINE ONLINE dgrac1 STABLE ora.dgrac2.vip 1 ONLINE ONLINE dgrac2 STABLE ora.qosmserver 1 ONLINE ONLINE dgrac1 STABLE ora.scan1.vip 1 ONLINE ONLINE dgrac2 STABLE 主库： alter system set dg_broker_start=false scope=both sid='*'; ALTER SYSTEM SET DG_BROKER_CONFIG_FILE1 = '+DATA/orcl/dr1orcl.dat' SCOPE=BOTH sid='*'; ALTER SYSTEM SET DG_BROKER_CONFIG_FILE2 = '+DATA/orcl/dr2orcl.dat' SCOPE=BOTH sid='*'; alter system set dg_broker_start=true scope=both sid='*'; 备库： alter system set dg_broker_start=false scope=both sid='*'; ALTER SYSTEM SET DG_BROKER_CONFIG_FILE1 = '+DATA/dgorcl/dr1dgorcl.dat' SCOPE=BOTH sid='*'; ALTER SYSTEM SET DG_BROKER_CONFIG_FILE2 = '+DATA/dgorcl/dr2dgorcl.dat' SCOPE=BOTH sid='*'; alter system set dg_broker_start=true scope=both sid='*'; 然后在主库节点操作即可: [oracle@rac1 ~]$ dgmgrl sys/oracle@orcl DGMGRL for Linux: Release 19.0.0.0.0 - Production on Fri Mar 6 14:36:39 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved. Welcome to DGMGRL, type "help" for information. Connected to "orcl" Connected as SYSDBA. DGMGRL> show configuration; ORA-16596: member not part of the Oracle Data Guard broker configuration Configuration details cannot be determined by DGMGRL DGMGRL> create configuration adg as primary database is orcl connect identifier is orcl; Configuration "adg" created with primary database "orcl" DGMGRL> add database dgorcl as CONNECT IDENTIFIER IS dgorcl MAINTAINED AS PHYSICAL; Database "dgorcl" added DGMGRL> edit database 'dgorcl' set state='apply-on'; Error: ORA-16555: member is not active Failed. DGMGRL> ENABLE CONFIGURATION; Enabled. DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database Warning: ORA-16905: The member was not enabled yet. dgorcl - Physical standby database Warning: ORA-16809: multiple warnings detected for the member Fast-Start Failover: Disabled Configuration Status: WARNING (status updated 65 seconds ago) DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Fast-Start Failover: Disabled Configuration Status: SUCCESS (status updated 24 seconds ago) DGMGRL> show configuration verbose; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Warning: ORA-16809: multiple warnings detected for the member Properties: FastStartFailoverThreshold = '30' OperationTimeout = '30' TraceLevel = 'USER' FastStartFailoverLagLimit = '30' CommunicationTimeout = '180' ObserverReconnect = '0' FastStartFailoverAutoReinstate = 'TRUE' FastStartFailoverPmyShutdown = 'TRUE' BystandersFollowRoleChange = 'ALL' ObserverOverride = 'FALSE' ExternalDestination1 = '' ExternalDestination2 = '' PrimaryLostWriteAction = 'CONTINUE' ConfigurationWideServiceName = 'orcl_CFG' Fast-Start Failover: Disabled Configuration Status: WARNING DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Warning: ORA-16809: multiple warnings detected for the member Fast-Start Failover: Disabled Configuration Status: WARNING (status updated 23 seconds ago) DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Warning: ORA-16809: multiple warnings detected for the member Fast-Start Failover: Disabled Configuration Status: WARNING (status updated 19 seconds ago) DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Warning: ORA-16809: multiple warnings detected for the member 一般是v$standby_log检查是否配置备用日志，此处已经有，所以观察alert日志，发现后续自动完成，无需处理。 Fast-Start Failover: Disabled Configuration Status: WARNING (status updated 25 seconds ago) DGMGRL> show database dgorcl Database - dgorcl Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds (computed 1 second ago) Apply Lag: 0 seconds (computed 1 second ago) Average Apply Rate: 205.00 KByte/s Real Time Query: OFF Instance(s): orcl1 orcl2 (apply instance) Database Status: SUCCESS DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Fast-Start Failover: Disabled Configuration Status: SUCCESS (status updated 54 seconds ago) DGMGRL> DGMGRL> DGMGRL> DGMGRL> DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Fast-Start Failover: Disabled Configuration Status: SUCCESS (status updated 75 seconds ago) DGMGRL> DGMGRL> show database dgorcl; Database - dgorcl Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds (computed 1 second ago) Apply Lag: 0 seconds (computed 1 second ago) Average Apply Rate: 104.00 KByte/s Real Time Query: OFF –此时是没有实时查询的 Instance(s): orcl1 orcl2 (apply instance) Database Status: SUCCESS DGMGRL> show database orcl; Database - orcl Role: PRIMARY Intended State: TRANSPORT-ON Instance(s): orcl1 orcl2 Database Status: SUCCESS 新窗口检查alert日志： [oracle@dgrac1 trace]$ tail -f drcorcl1.log 2020-03-06T14:37:32.533+08:00 DMON: Executing SQL [ALTER SYSTEM REGISTER] 2020-03-06T14:37:32.533+08:00 SQL [ALTER SYSTEM REGISTER] Executed successfully 2020-03-06T14:37:32.533+08:00 DMON: SCI harvested (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.52.162)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=dgorcl_DGMGRL)(INSTANCE_NAME=orcl1)(SERVER=DEDICATED))) 2020-03-06T14:37:42.918+08:00 Starting redo apply services... Starting redo apply services... 2020-03-06T14:37:46.960+08:00 Starting redo apply services... 2020-03-06T14:38:00.123+08:00 Updated broker configuration file available, loading from "+DATA/dgorcl/dr1dgorcl.dat" ^C [oracle@dgrac1 trace]$ tail -f alert_orcl1.log .... (PID:4220): Managed Standby Recovery starting Real Time Apply 2020-03-06T14:45:26.706496+08:00 ALTER SYSTEM SET _ipddb_enable=TRUE SCOPE=MEMORY SID='orcl1'; 2020-03-06T14:47:07.958171+08:00 db_recovery_file_dest_size of 10240 MB is 19.83% used. This is a user-specified limit on the amount of space that will be used by this database for recovery-related files, and does not reflect the amount of space available in the underlying filesystem or ASM diskgroup. 2020-03-06T14:47:19.524828+08:00 ALTER SYSTEM SET _ipddb_enable=TRUE SCOPE=MEMORY SID='orcl1'; ^C 如果需要启用failover那么需要启用flashback database： 启用闪回恢复区： *.db_recovery_file_dest_size=10737418240 *.db_recovery_file_dest='+DATA' select flashback_on from v$database; 得到的值有两种情况：YES 或者 NO，分别表示开启和关闭。 如果需要打开或关闭，需要在mount状态下使用下面的命令： alter database flashback on; 操作参考： [oracle@dgrac1 ~]$ srvctl stop database -d dgorcl -o immediate [oracle@dgrac1 ~]$ srvctl start database -d dgorcl -o mount [oracle@dgrac1 ~]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 15:44:22 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.5.0.0.0 SQL> show parameter dg; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ adg_account_info_tracking string LOCAL adg_redirect_dml boolean TRUE cell_offloadgroup_name string dg_broker_config_file1 string +DATA/dgorcl/dr1dgorcl.dat dg_broker_config_file2 string +DATA/dgorcl/dr2dgorcl.dat dg_broker_start boolean TRUE inmemory_adg_enabled boolean TRUE SQL> show parameter recover; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_recovery_file_dest string +DATA db_recovery_file_dest_size big integer 10G db_unrecoverable_scn_tracking boolean TRUE recovery_parallelism integer 0 remote_recovery_file_dest string SQL> select flashback_on from v$database; FLASHBACK_ON ------------------ NO SQL> alter database flashback on; Database altered. SQL> select force_logging from v$database; FORCE_LOGGING --------------------------------------- YES SQL> alter database force logging; alter database force logging * ERROR at line 1: ORA-12920: database is already in force logging mode SQL> select flashback_on from v$database; FLASHBACK_ON ------------------ YES SQL> exit Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.5.0.0.0 [oracle@dgrac1 ~]$ srvctl stop database -d dgorcl -o immediate [oracle@dgrac1 ~]$ srvctl start database -d dgorcl [oracle@dgrac1 ~]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 15:50:44 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.5.0.0.0 SQL> select flashback_on from v$database; FLASHBACK_ON ------------------ YES SQL> 重启备库rac到open状态即可。 [oracle@dgrac1 ~]$ crsctl stat res -t -------------------------------------------------------------------------------- Name Target State Server State details -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.LISTENER.lsnr ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.chad ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.net1.network ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.ons ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 ONLINE OFFLINE STABLE ora.CRS.dg(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.DATA.dg(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE dgrac2 STABLE ora.asm(ora.asmgroup) 1 ONLINE ONLINE dgrac1 Started,STABLE 2 ONLINE ONLINE dgrac2 Started,STABLE 3 OFFLINE OFFLINE STABLE ora.asmnet1.asmnetwork(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.cvu 1 ONLINE ONLINE dgrac1 STABLE ora.dgorcl.db 1 ONLINE INTERMEDIATE dgrac1 Mounted (Closed),HOM E=/oracle/app/oracle /product/19c/dbhome_ 1,STABLE 2 ONLINE INTERMEDIATE dgrac2 Mounted (Closed),HOM E=/oracle/app/oracle /product/19c/dbhome_ 1,STABLE ora.dgrac1.vip 1 ONLINE ONLINE dgrac1 STABLE ora.dgrac2.vip 1 ONLINE ONLINE dgrac2 STABLE ora.qosmserver 1 ONLINE ONLINE dgrac1 STABLE ora.scan1.vip 1 ONLINE ONLINE dgrac2 STABLE -------------------------------------------------------------------------------- [oracle@dgrac1 ~]$ srvctl stop database -d dgorcl -o immediate [oracle@dgrac1 ~]$ srvctl start database -d dgorcl [oracle@dgrac1 ~]$ crsctl stat res -t -------------------------------------------------------------------------------- Name Target State Server State details -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.LISTENER.lsnr ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.chad ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.net1.network ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE ora.ons ONLINE ONLINE dgrac1 STABLE ONLINE ONLINE dgrac2 STABLE -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 ONLINE OFFLINE STABLE ora.CRS.dg(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.DATA.dg(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE dgrac2 STABLE ora.asm(ora.asmgroup) 1 ONLINE ONLINE dgrac1 Started,STABLE 2 ONLINE ONLINE dgrac2 Started,STABLE 3 OFFLINE OFFLINE STABLE ora.asmnet1.asmnetwork(ora.asmgroup) 1 ONLINE ONLINE dgrac1 STABLE 2 ONLINE ONLINE dgrac2 STABLE 3 OFFLINE OFFLINE STABLE ora.cvu 1 ONLINE ONLINE dgrac1 STABLE ora.dgorcl.db 1 ONLINE ONLINE dgrac1 Open,Readonly,HOME=/ oracle/app/oracle/pr oduct/19c/dbhome_1,S TABLE 2 ONLINE ONLINE dgrac2 Open,Readonly,HOME=/ oracle/app/oracle/pr oduct/19c/dbhome_1,S TABLE ora.dgrac1.vip 1 ONLINE ONLINE dgrac1 STABLE ora.dgrac2.vip 1 ONLINE ONLINE dgrac2 STABLE ora.qosmserver 1 ONLINE ONLINE dgrac1 STABLE ora.scan1.vip 1 ONLINE ONLINE dgrac2 STABLE -------------------------------------------------------------------------------- [oracle@dgrac1 ~]$ GMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Fast-Start Failover: Disabled Configuration Status: SUCCESS (status updated 61 seconds ago) DGMGRL> show database dgorcl; Database - dgorcl Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds (computed 1 second ago) Apply Lag: 0 seconds (computed 1 second ago) Average Apply Rate: 52.00 KByte/s Real Time Query: ON Instance(s): orcl1 orcl2 (apply instance) Database Status: SUCCESS DGMGRL> show database orcl; Database - orcl Role: PRIMARY Intended State: TRANSPORT-ON Instance(s): orcl1 orcl2 Database Status: SUCCESS DGMGRL> show database verbose dgorcl; Database - dgorcl Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds (computed 1 second ago) Apply Lag: 0 seconds (computed 1 second ago) Average Apply Rate: 48.00 KByte/s Active Apply Rate: 644.00 KByte/s Maximum Apply Rate: 650.00 KByte/s Real Time Query: ON Instance(s): orcl1 orcl2 (apply instance) Properties: DGConnectIdentifier = 'dgorcl' ObserverConnectIdentifier = '' FastStartFailoverTarget = '' PreferredObserverHosts = '' LogShipping = 'ON' RedoRoutes = '' LogXptMode = 'ASYNC' DelayMins = '0' Binding = 'optional' MaxFailure = '0' ReopenSecs = '300' NetTimeout = '30' RedoCompression = 'DISABLE' PreferredApplyInstance = '' ApplyInstanceTimeout = '0' ApplyLagThreshold = '30' TransportLagThreshold = '30' TransportDisconnectedThreshold = '30' ApplyParallel = 'AUTO' ApplyInstances = '0' StandbyFileManagement = '' ArchiveLagTarget = '0' LogArchiveMaxProcesses = '0' LogArchiveMinSucceedDest = '0' DataGuardSyncLatency = '0' LogArchiveTrace = '0' LogArchiveFormat = '' DbFileNameConvert = '' LogFileNameConvert = '' ArchiveLocation = '' AlternateLocation = '' StandbyArchiveLocation = '' StandbyAlternateLocation = '' InconsistentProperties = '(monitor)' InconsistentLogXptProps = '(monitor)' LogXptStatus = '(monitor)' SendQEntries = '(monitor)' RecvQEntries = '(monitor)' HostName(*) StaticConnectIdentifier(*) TopWaitEvents(*) SidName(*) (*) - Please check specific instance for the property value Log file locations(*): (*) - Check specific instance for log file locations. Database Status: SUCCESS DGMGRL> show database verbose orcl; Database - orcl Role: PRIMARY Intended State: TRANSPORT-ON Instance(s): orcl1 orcl2 Properties: DGConnectIdentifier = 'orcl' ObserverConnectIdentifier = '' FastStartFailoverTarget = '' PreferredObserverHosts = '' LogShipping = 'ON' RedoRoutes = '' LogXptMode = 'ASYNC' DelayMins = '0' Binding = 'optional' MaxFailure = '0' ReopenSecs = '300' NetTimeout = '30' RedoCompression = 'DISABLE' PreferredApplyInstance = '' ApplyInstanceTimeout = '0' ApplyLagThreshold = '30' TransportLagThreshold = '30' TransportDisconnectedThreshold = '30' ApplyParallel = 'AUTO' ApplyInstances = '0' StandbyFileManagement = '' ArchiveLagTarget = '0' LogArchiveMaxProcesses = '0' LogArchiveMinSucceedDest = '0' DataGuardSyncLatency = '0' LogArchiveTrace = '0' LogArchiveFormat = '' DbFileNameConvert = '' LogFileNameConvert = '' ArchiveLocation = '' AlternateLocation = '' StandbyArchiveLocation = '' StandbyAlternateLocation = '' InconsistentProperties = '(monitor)' InconsistentLogXptProps = '(monitor)' LogXptStatus = '(monitor)' SendQEntries = '(monitor)' RecvQEntries = '(monitor)' HostName(*) StaticConnectIdentifier(*) TopWaitEvents(*) SidName(*) (*) - Please check specific instance for the property value Log file locations(*): (*) - Check specific instance for log file locations. Database Status: SUCCESS DGMGRL> 此时主备库的监听状态： 主节点1： 备节点1： [oracle@dgrac1 ~]$ sqlplus pdbadmin/pdbadmin@pdborcl SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 15:07:20 2020 Version 19.5.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Last Successful login time: Thu Mar 05 2020 17:33:19 +08:00 Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.5.0.0.0 SQL> select * from test; ID ---------- 1 SQL> insert into test values(2); 1 row created. SQL> commit; Commit complete. SQL> select * from test; ID ---------- 2 1 SQL> conn pdbadmin/pdbadmin@pdbdgorcl Connected. SQL> select * from test; ID ---------- 2 1 SQL> insert into test values(3); 1 row created. SQL> commit; Commit complete. SQL> select * from test; ID ---------- 2 1 3 SQL> conn pdbadmin/pdbadmin@pdborcl Connected. SQL> set timing on SQL> set time on 15:08:19 SQL> select * from test; ID ---------- 2 1 3 Elapsed: 00:00:00.00 15:08:23 SQL> insert into test values(4); 1 row created. Elapsed: 00:00:00.00 15:08:27 SQL> commit; Commit complete. Elapsed: 00:00:00.00 15:08:29 SQL> conn pdbadmin/pdbadmin@pdbdgorcl Connected. 15:08:35 SQL> select * from test; ID ---------- 2 1 3 4 Elapsed: 00:00:00.01 15:08:38 SQL> insert into test values(5); 1 row created. Elapsed: 00:00:01.21 15:08:50 SQL> commit; Commit complete. Elapsed: 00:00:01.08 15:08:53 SQL> conn pdbadmin/pdbadmin@pdborcl Connected. 15:08:59 SQL> select * from test; ID ---------- 2 1 3 4 5 Elapsed: 00:00:00.01 15:09:02 SQL> conn /as sysdba Connected. 15:09:06 SQL> show parameter dm; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ adg_redirect_dml boolean TRUE dml_locks integer 2208 15:09:09 SQL> conn sys/oracle@orcl as sysdba Connected. 15:09:25 SQL> show parameter dml; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ adg_redirect_dml boolean TRUE dml_locks integer 2208 15:09:32 SQL> conn sys/oracle@dgorcl as sysdba Connected. 15:09:39 SQL> show parameter dml; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ adg_redirect_dml boolean TRUE dml_locks integer 2208 15:09:44 SQL> show parameter name; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ cdb_cluster_name string cell_offloadgroup_name string db_file_name_convert string +DATA, +DATA db_name string orcl db_unique_name string dgorcl global_names boolean FALSE instance_name string orcl2 lock_name_space string log_file_name_convert string +DATA, +DATA pdb_file_name_convert string processor_group_name string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ service_names string dgorcl 15:09:48 SQL> 主库切换一般2-3分钟可用，备库在5-7分钟恢复open。 任意节点执行下面操作均可： dgmgrl sys/oracle@orcl 或 dgmgrl sys/oracle@dgorcl DGMGRL> switchover to dgorcl; Performing switchover NOW, please wait... Operation requires a connection to database "dgorcl" Connecting ... Connected to "dgorcl" Connected as SYSDBA. New primary database "dgorcl" is opening... Oracle Clusterware is restarting database "orcl" ... Connected to "orcl" Connected to "orcl" Switchover succeeded, new primary is "dgorcl" DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: dgorcl - Primary database orcl - Physical standby database Fast-Start Failover: Disabled Configuration Status: SUCCESS (status updated 25 seconds ago) DGMGRL> show database orcl; Database - orcl Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds (computed 1 second ago) Apply Lag: 0 seconds (computed 1 second ago) Average Apply Rate: 3.00 KByte/s Real Time Query: ON Instance(s): orcl1 (apply instance) orcl2 Database Status: SUCCESS DGMGRL> show database dgorcl; Database - dgorcl Role: PRIMARY Intended State: TRANSPORT-ON Instance(s): orcl1 orcl2 Database Status: SUCCESS DGMGRL> 再反向切换： DGMGRL> switchover to orcl; Performing switchover NOW, please wait... Operation requires a connection to database "orcl" Connecting ... Connected to "orcl" Connected as SYSDBA. New primary database "orcl" is opening... Oracle Clusterware is restarting database "dgorcl" ... Connected to "dgorcl" Connected to "dgorcl" Switchover succeeded, new primary is "orcl" DGMGRL> show database dgorcl; Database - dgorcl Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds (computed 4 seconds ago) Apply Lag: 0 seconds (computed 1 second ago) Average Apply Rate: 4.00 KByte/s Real Time Query: ON Instance(s): orcl1 (apply instance) orcl2 Database Status: SUCCESS DGMGRL> show database orcl; Database - orcl Role: PRIMARY Intended State: TRANSPORT-ON Instance(s): orcl1 orcl2 Database Status: SUCCESS DGMGRL> show configuration; Configuration - adg Protection Mode: MaxPerformance Members: orcl - Primary database dgorcl - Physical standby database Fast-Start Failover: Disabled Configuration Status: SUCCESS (status updated 24 seconds ago) DGMGRL> 检查alert_*日志截图: 15:14:35 SQL> conn pdbadmin/pdbadmin@pdborcl Connected. 15:14:40 SQL> select * from test; ID ---------- 2 1 3 4 5 Elapsed: 00:00:00.02 15:14:44 SQL> insert into test values(5); 1 row created. Elapsed: 00:00:10.72 15:15:13 SQL> commit; Commit complete. Elapsed: 00:00:01.05 15:15:18 SQL> conn pdbadmin/pdbadmin@pdbdgorcl Connected. 15:15:26 SQL> select * from test; ID ---------- 2 1 3 4 5 5 6 rows selected. Elapsed: 00:00:00.00 15:15:30 SQL> insert into test values(6); 1 row created. Elapsed: 00:00:00.00 15:15:35 SQL> commit; Commit complete. Elapsed: 00:00:00.01 15:15:36 SQL> conn pdbadmin/pdbadmin@pdborcl Connected. 15:15:43 SQL> select * from test; ID ---------- 2 1 3 4 5 5 6 7 rows selected. Elapsed: 00:00:00.03 15:15:47 SQL> 反向再切换后的测试： 15:15:47 SQL> conn pdbadmin/pdbadmin@pdborcl Connected. 15:20:51 SQL> insert into test values(6); 1 row created. Elapsed: 00:00:00.10 15:20:54 SQL> commit; Commit complete. Elapsed: 00:00:00.06 15:20:57 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open Warning: You are no longer connected to ORACLE. 15:21:06 SQL> select * from test; SP2-0640: Not connected 15:21:10 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:17 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:27 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:29 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:31 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:45 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:49 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:21:57 SQL> conn pdbadmin/pdbadmin@pdbdgorcl ERROR: ORA-01109: database not open 15:23:27 SQL> 15:25:50 SQL> conn pdbadmin/pdbadmin@pdbdgorcl Connected. 15:25:56 SQL> select * from test; ID ---------- 2 1 6 3 4 5 5 6 8 rows selected. Elapsed: 00:00:01.36 15:26:05 SQL> insert into test values(7); 1 row created. Elapsed: 00:00:05.64 15:26:20 SQL> commit; Commit complete. Elapsed: 00:00:01.61 15:26:24 SQL> conn pdbadmin/pdbadmin@pdborcl Connected. 15:26:30 SQL> select * from test; ID ---------- 2 7 1 6 3 4 5 5 6 9 rows selected. Elapsed: 00:00:00.01 15:26:43 SQL> 11.备库：将参数pfile文件恢复到asm中
orcl1.__data_transfer_cache_size=0orcl1.__db_cache_size=1845493760orcl1.__inmemory_ext_roarea=0orcl1.__inmemory_ext_rwarea=0orcl1.__java_pool_size=0orcl1.__large_pool_size=16777216orcl1.__oracle_base='/oracle/app/oracle'#ORACLE_BASE set from environmentorcl1.__pga_aggregate_target=822083584orcl1.__sga_target=2466250752orcl1.__shared_io_pool_size=0orcl1.__shared_pool_size=587202560orcl1.__streams_pool_size=0orcl1.__unified_pga_pool_size=012.备库：将密码文件恢复到asm中
13.备库：添加rac资源
14.主备库：还原备库dgrac1上的监听listener.ora和所有主备库上的tnsnames.ora
15.备库：重启数据库到mount状态
16.主备库：配置dg_borker
17.备库：启用adg实时同步查询：
测试数据同步：
18.主备库：dg_borker进行switchover切换测试
测试数据同步：