189 8069 5689
主机名
成都创新互联主要从事网页设计、PC网站建设（电脑版网站建设）、wap网站建设（手机版网站建设）、响应式网站、程序开发、网站优化、微网站、微信小程序开发等，凭借多年来在互联网的打拼，我们在互联网网站建设行业积累了丰富的成都网站制作、做网站、外贸营销网站建设、网站设计、网络营销经验，集策划、开发、设计、营销、管理等多方位专业化运作于一体。 | 数据库版本 | dbname | db_unique_name | IP地址 | 系统版本 |
Jason1(主) |
oracle11204 |
Jason
| jason1 | 192.168.1.99 |
rhel6.6_x86_64 |
jason2(备) | jason2 | 192.168.1.10 |
[oracle@jason1 ~]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.4.0 Production on Thu Jul 14 20:45:33 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected.
SQL> ALTER DATABASE FORCE LOGGING;
Database altered.
SQL> select force_logging from v$database;
FOR
---
YES
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 3
Next log sequence to archive 5
Current log sequence 5
SQL> select group#,bytes/1024/1024 from v$log;
GROUP# BYTES/1024/1024
---------- ---------------
1 50
3 50
2 50
1).standby redo log的文件大小与primary 数据库online redo log 文件大小相同
2).standby redo log日志文件组的个数依照下面的原则进行计算
Standby redo log组数公式>=(每个instance日志组个数+1)*instance个数
例如在我的环境中，只有一个节点，这个节点有三组redo，所以
Standby redo log组数公式>=(3+1)*1 == 4
所以需要创建4组Standby redo log
3).每一日志组为了安全起见，可以包含多个成员文件。
查看主数据库的日志组个数与大小，创建standy日志组,大小不能小于在线日志大小。
SQL> select member from v$logfile;
MEMBER
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/JASON/redo03.log
/u01/app/oracle/oradata/JASON/redo02.log
/u01/app/oracle/oradata/JASON/redo01.log
在主数据库创建standby日志组，位置与原日志组相同的路径。
SQL> ALTER DATABASE ADD STANDBY LOGFILE('/u01/app/oracle/oradata/JASON/standby01.log') SIZE 50M;
Database altered.
SQL> ALTER DATABASE ADD STANDBY LOGFILE('/u01/app/oracle/oradata/JASON/standby02.log') SIZE 50M;
Database altered.
SQL> ALTER DATABASE ADD STANDBY LOGFILE('/u01/app/oracle/oradata/JASON/standby03.log') SIZE 50M;
Database altered.
SQL> ALTER DATABASE ADD STANDBY LOGFILE('/u01/app/oracle/oradata/JASON/standby04.log') SIZE 50M;
Database altered.
SQL> select group#,status,type,member from v$logfile;
GROUP# STATUS TYPE MEMBER
------------------------------------------------------------------------------------------------------------------------------
3 ONLINE /u01/app/oracle/oradata/JASON/redo03.log
2 ONLINE /u01/app/oracle/oradata/JASON/redo02.log
1 ONLINE /u01/app/oracle/oradata/JASON/redo01.log
4 STANDBY/u01/app/oracle/oradata/JASON/standby01.log
5 STANDBY/u01/app/oracle/oradata/JASON/standby02.log
6 STANDBY /u01/app/oracle/oradata/JASON/standby03.log
7 STANDBY/u01/app/oracle/oradata/JASON/standby04.log
7 rows selected.
在主库上修改dataguard配置相关的各个参数，各参数的具体含义可以参考oracle在线文档。
SQL> alter system set LOG_ARCHIVE_CONFIG='DG_CONFIG=(JASON1,JASON2)'SCOPE=SPFILE;
System altered.
SQL> alter system set DB_UNIQUE_NAME='JASON1' SCOPE=SPFILE;
System altered.
SQL> alter system set STANDBY_FILE_MANAGEMENT='AUTO' SCOPE=SPFILE;
System altered.
SQL> alter system set LOG_ARCHIVE_DEST_1='LOCATION=/u01/app/oracle/archivelog/VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=JASON1' scope=spfile;
System altered.
SQL> alter system set LOG_ARCHIVE_DEST_2='SERVICE=JASON2 ASYNCVALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=JASON2' scope=spfile;
System altered.
SQL> alter system set LOG_ARCHIVE_DEST_STATE_1='ENABLE' scope=spfile;
System altered.
SQL> alter system set LOG_ARCHIVE_DEST_STATE_2='ENABLE' scope=spfile;
System altered.
SQL> alter system setLOG_FILE_NAME_CONVERT= '/u01/app/oracle/oradata/JASON','/u01/app/oracle/oradata/JASON' scope=spfile;
System altered.
SQL> alter system set FAL_SERVER='JASON2' scope=spfile;
System altered.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 409194496 bytes
Fixed Size 2253744 bytes
Variable Size 310381648 bytes
Database Buffers 92274688 bytes
Redo Buffers 4284416 bytes
Database mounted.
Database opened.
创建监听及tnsname.ora，备库监听必须使用静态监听，如下：
[oracle@jason1 admin]$ cat listener.ora
# listener.ora Network Configuration File:/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = JASON1)
(ORACLE_HOME =/u01/app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = JASON)
)
)
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP)(HOST = 192.168.1.99)(PORT = 1521))
)
ADR_BASE_LISTENER = /u01/app/oracle
[oracle@jason1 admin]$ cat tnsnames.ora
# tnsnames.ora Network Configuration File:/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.
JASON1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP)(HOST = 192.168.1.99)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = JASON1)
)
)
JASON2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP)(HOST = 192.168.1.100)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = JASON2)
)
)
[oracle@jason1 admin]$lsnrctl status
LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 20-JUL-201623:06:17
Copyright (c) 1991, 2013, Oracle. All rights reserved.
Connecting to(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=jason1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNRfor Linux: Version 11.2.0.4.0 - Production
Start Date 20-JUL-2016 22:50:04
Uptime 0 days 0hr. 16 min. 13 sec
Trace Level off
Security ON:Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/jason1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jason1)(PORT=1521)))
Services Summary...
Service "JASON1" has 2 instance(s).
Instance "JASON",status UNKNOWN, has 1 handler(s) for this service...
Instance "JASON",status READY, has 1 handler(s) for this service...
Service "JASONXDB" has 1 instance(s).
Instance "JASON",status READY, has 1 handler(s) for this service...
The command completed successfully
[oracle@jason1 admin]$
在主数据库生成pfile文件。
SQL> create pfile from spfile;
File created.
把dbs下的内容同步到standby主机上面，
[oracle@jason1 dbs]$ pwd
/u01/app/oracle/product/11.2.0/dbhome_1/dbs
[oracle@jason1 dbs]$ scp initJASON.ora orapwJASON192.168.1.100:/u01/app/oracle/product/11.2.0/dbhome_1/dbs/
The authenticity of host '192.168.1.100 (192.168.1.100)' can't beestablished.
RSA key fingerprint is 25:ca:65:90:d3:30:fa:68:ed:11:64:b2:0e:b0:39:a7.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.1.100' (RSA) to the list of knownhosts.
oracle@192.168.1.100's password:
initJASON.ora 100%1415 1.4KB/s 00:00
orapwJASON 100% 1536 1.5KB/s 00:00
[oracle@jason1 dbs]
备库上创建相关目录
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/admin/JASON2/adump
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/admin/JASON/dpdump
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/admin/JASON/pfile
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/archivelog
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/oradata/JASON
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/fast_recovery_area
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/cfgtoollogs/catbundle
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/cfgtoollogs/dbca/JASON
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/cfgtoollogs/emca
[oracle@jason2 oracle]$ mkdir -p /u01/app/oracle/cfgtoollogs/netca
[oracle@jason2 oracle]$ ll
total 32
drwxr-xr-x 3 oracle oinstall 4096Jul 14 22:27 admin
drwxr-xr-x 2 oracle oinstall 4096Jul 14 22:28 archivelog
drwxr-xr-x 6 oracle oinstall 4096Jul 14 22:32 cfgtoollogs
drwxr-xr-x 2 oracle oinstall 4096Jul 13 23:32 checkpoints
drwxrwxr-x 11 oracle oinstall 4096 Jul 13 23:06 diag
drwxr-xr-x 2 oracle oinstall 4096Jul 14 22:30 fast_recovery_area
drwxr-xr-x 3 oracle oinstall 4096Jul 14 22:28 oradata
drwxr-xr-x 3 oracle oinstall 4096Jul 13 21:37 product
[oracle@jason2 oracle]$
备库上修改初始参数文件，配置DG所需参数如下。
JASON.__db_cache_size=75497472
JASON.__java_pool_size=4194304
JASON.__large_pool_size=71303168
JASON.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
JASON.__pga_aggregate_target=155189248
JASON.__sga_target=255852544
JASON.__shared_io_pool_size=0
JASON.__shared_pool_size=96468992
JASON.__streams_pool_size=0
*.audit_file_dest='/u01/app/oracle/admin/JASON2/adump'
*.audit_trail='db'
*.compatible='11.2.0.4.0'
*.control_files='/u01/app/oracle/oradata/JASON/control01.ctl','/u01/app/oracle/oradata/JASON/control02.ctl','/u01/app/oracle/oradata/JASON/control03.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='JASON'
*.db_recovery_file_dest_size=4385144832
*.db_recovery_file_dest='/u01/app/oracle/fast_recovery_area'
*.log_file_name_convert='/u01/app/oracle/oradata/JASON','/u01/app/oracle/oradata/JASON'
*.db_unique_name='JASON2'
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=JASONXDB)'
*.fal_server='JASON1'
*.log_archive_config='DG_CONFIG=(JASON1,JASON2)'
*.log_archive_dest_1='LOCATION=/u01/app/oracle/archivelog/VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=JASON2'
*.log_archive_dest_2='SERVICE=JASON1 ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)DB_UNIQUE_NAME=JASON1'
*.log_archive_dest_state_1='ENABLE'
*.log_archive_dest_state_2='ENABLE'
*.log_archive_format='%t_%s_%r.dbf'
*.memory_target=411041792
*.open_cursors=300
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.standby_file_management='AUTO'
*.undo_tablespace='UNDOTBS1
备库监听必须设置为静态监听
[oracle@jason2 admin]$ cat listener.ora
# listener.ora Network Configuration File:/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = JASON2)
(ORACLE_HOME =/u01/app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = JASON)
)
)
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP)(HOST = 192.168.1.100)(PORT = 1521))
)
ADR_BASE_LISTENER = /u01/app/oracle
[oracle@jason2 admin]$ cat tnsnames.ora
# tnsnames.ora Network Configuration File:/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.
JASON1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP)(HOST = 192.168.1.99)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = JASON1)
)
)
JASON2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP)(HOST = 192.168.1.100)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = JASON2)
)
)
[oracle@jason2 dbs]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.4.0 Production on Thu Jul 14 23:07:22 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
SQL> conn /
as sysdba
Connected to an idle instance.
SQL> startup nomount
ORACLE instance started.
Total System Global Area 409194496 bytes
Fixed Size 2253744 bytes
Variable Size 310381648 bytes
Database Buffers 92274688 bytes
Redo Buffers 4284416 bytes
SQL> create spfile from pfile;
File created.
将备库启动到nomount状态，然后在备机连接主库进行duplicate操作。
SQL> shutdown immediate
ORA-01507: database not mounted
ORACLE instance shut down.
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 409194496 bytes
Fixed Size 2253744 bytes
Variable Size 310381648 bytes
Database Buffers 92274688 bytes
Redo Buffers 4284416 bytes
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testingoptions
[oracle@jason2 ~]$lsnrctl status
LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 20-JUL-201623:04:56
Copyright (c) 1991, 2013, Oracle. All rights reserved.
Connecting to(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=jason2)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNRfor Linux: Version 11.2.0.4.0 - Production
Start Date 20-JUL-201622:50:42
Uptime 0 days 0hr. 14 min. 14 sec
Trace Level off
Security ON:Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/jason2/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jason2)(PORT=1521)))
Services Summary...
Service "JASON2" has 2 instance(s).
Instance "JASON",status UNKNOWN, has 1 handler(s) for this service...
Instance "JASON",status BLOCKED, has 1 handler(s) for this service...
The command completed successfully
[oracle@jason2 ~]$ rman targetsys/system@JASON1 auxiliary sys/system@JASON2
Recovery Manager: Release 11.2.0.4.0 - Production on Thu Jul 21 00:05:082016
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: JASON (DBID=2141348976)
connected to auxiliary database: JASON (not mounted)
RMAN> duplicate target database for standby nofilenamecheck fromactive database;
Starting Duplicate Db at 21-JUL-16
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=19 device type=DISK
contents of Memory Script:
{
backup as copy reuse
targetfile '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwJASON' auxiliaryformat
'/u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwJASON' ;
}
executing Memory Script
Starting backup at 21-JUL-16
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=40 device type=DISK
Finished backup at 21-JUL-16
contents of Memory Script:
{
backup as copy currentcontrolfile for standby auxiliary format '/u01/app/oracle/oradata/JASON/control01.ctl';
restore clone controlfileto '/u01/app/oracle/oradata/JASON/control02.ctl' from
'/u01/app/oracle/oradata/JASON/control01.ctl';
restore clone controlfileto '/u01/app/oracle/oradata/JASON/control03.ctl'from
'/u01/app/oracle/oradata/JASON/control01.ctl';
}
executing Memory Script
Starting backup at 21-JUL-16
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
copying standby control file
output file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_JASON.ftag=TAG20160721T000524 RECID=1 STAMP=917741125
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
Finished backup at 21-JUL-16
Starting restore at 21-JUL-16
using channel ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: copied control file copy
Finished restore at 21-JUL-16
Starting restore at 21-JUL-16
using channel ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: copied control file copy
Finished restore at 21-JUL-16
contents of Memory Script:
{
sql clone 'alter database mountstandby database';
}
executing Memory Script
sql statement: alter database mount standby database
contents of Memory Script:
{
set newname for tempfile 1 to
"/u01/app/oracle/oradata/JASON/temp01.dbf";
switch clone tempfile all;
set newname for datafile 1 to
"/u01/app/oracle/oradata/JASON/system01.dbf";
set newname for datafile 2 to
"/u01/app/oracle/oradata/JASON/sysaux01.dbf";
set newname for datafile 3 to
"/u01/app/oracle/oradata/JASON/undotbs01.dbf";
set newname for datafile 4 to
"/u01/app/oracle/oradata/JASON/users01.dbf";
backup as copy reuse
datafile 1 auxiliary format
"/u01/app/oracle/oradata/JASON/system01.dbf" datafile
2 auxiliary format
"/u01/app/oracle/oradata/JASON/sysaux01.dbf" datafile
3 auxiliary format
"/u01/app/oracle/oradata/JASON/undotbs01.dbf" datafile
4 auxiliary format
"/u01/app/oracle/oradata/JASON/users01.dbf" ;
sql 'alter system archive logcurrent';
}
executing Memory Script
executing command: SET NEWNAME
renamed tempfile 1 to /u01/app/oracle/oradata/JASON/temp01.dbf incontrol file
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
Starting backup at 21-JUL-16
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00001name=/u01/app/oracle/oradata/JASON/system01.dbf
output file name=/u01/app/oracle/oradata/JASON/system01.dbftag=TAG20160721T000536
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:38
channel ORA_DISK_1: starting datafile copy
input datafile file number=00002name=/u01/app/oracle/oradata/JASON/sysaux01.dbf
output file name=/u01/app/oracle/oradata/JASON/sysaux01.dbf tag=TAG20160721T000536
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:27
channel ORA_DISK_1: starting datafile copy
input datafile file number=00003name=/u01/app/oracle/oradata/JASON/undotbs01.dbf
output file name=/u01/app/oracle/oradata/JASON/undotbs01.dbftag=TAG20160721T000536
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
channel ORA_DISK_1: starting datafile copy
input datafile file number=00004name=/u01/app/oracle/oradata/JASON/users01.dbf
output file name=/u01/app/oracle/oradata/JASON/users01.dbftag=TAG20160721T000536
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 21-JUL-16
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=1 STAMP=917741211 filename=/u01/app/oracle/oradata/JASON/system01.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=2 STAMP=917741211 file name=/u01/app/oracle/oradata/JASON/sysaux01.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=3 STAMP=917741211 filename=/u01/app/oracle/oradata/JASON/undotbs01.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=4 STAMP=917741211 filename=/u01/app/oracle/oradata/JASON/users01.dbf
Finished Duplicate Db at 21-JUL-16
RMAN>
将备库置于active dataguard模式下。
[oracle@jason2 ~]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.4.0 Production on Thu Jul 14 23:42:40 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected.
SQL> alter database open;
Database altered.
SQL> alter database recover managed standby database using currentlogfile disconnect from session;
Database altered.
SQL> select open_mode,database_role,db_unique_name from v$database;
OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME
-------------------- ---------------- ------------------------------
READ ONLY WITH APPLY PHYSICAL STANDBY JASON2
SQL> select protection_mode,protection_level from v$database;
PROTECTION_MODE PROTECTION_LEVEL
-------------------- --------------------
MAXIMUM PERFORMANCE MAXIMUMPERFORMANCE
SQL> select status from v$standby_log;
STATUS
----------
ACTIVE
UNASSIGNED
UNASSIGNED
UNASSIGNED
SQL> select group#,status,type,member from v$logfile;
GROUP# STATUS TYPE MEMBER
-------------------------------------------------------------------------------
3 ONLINE /u01/app/oracle/oradata/JASON/redo03.log
2 ONLINE /u01/app/oracle/oradata/JASON/redo02.log
1 ONLINE /u01/app/oracle/oradata/JASON/redo01.log
4 STANDBY/u01/app/oracle/oradata/JASON/standby01.log
5 STANDBY /u01/app/oracle/oradata/JASON/standby02.log
6 STANDBY/u01/app/oracle/oradata/JASON/standby03.log
7 STANDBY/u01/app/oracle/oradata/JASON/standby04.log
7 rows selected.
SQL>
查看备库数据文件，如下：
[root@jason2 JASON]# ll
total 1744852
-rw-r----- 1 oracle oinstall 9748480 Jul 21 00:11 control01.ctl
-rw-r----- 1 oracle oinstall 9748480 Jul 21 00:11 control02.ctl
-rw-r----- 1 oracle oinstall 9748480 Jul 21 00:11 control03.ctl
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:06 redo01.log
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:06 redo02.log
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:06 redo03.log
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:11 standby01.log
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:09 standby02.log
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:07 standby03.log
-rw-r----- 1 oracle oinstall 52429312 Jul 21 00:07 standby04.log
-rw-r----- 1 oracle oinstall 534781952 Jul 21 00:09 sysaux01.dbf
-rw-r----- 1 oracle oinstall 775954432 Jul 21 00:09 system01.dbf
-rw-r----- 1 oracle oinstall 30416896 Jul 21 00:09 temp01.dbf
-rw-r----- 1 oracle oinstall 73408512 Jul 21 00:09 undotbs01.dbf
-rw-r----- 1 oracle oinstall 5251072 Jul 21 00:09 users01.dbf
[root@jason2 JASON]#
主库查看数据库状态
SQL> select open_mode,database_role,db_unique_name from v$database;
OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME
-------------------- ---------------- ------------------------------
READ WRITE PRIMARY JASON1
SQL> select protection_mode,protection_level from v$database;
PROTECTION_MODE PROTECTION_LEVEL
-------------------- --------------------
MAXIMUM PERFORMANCE MAXIMUMPERFORMANCE
主机切换日志
[oracle@jason1 ~]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.4.0 Production on Thu Jul 2123:33:08 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected.
SQL> alter system switch logfile;
System altered.
SQL> /
System altered.
SQL> SELECT SEQUENCE#, FIRST_TIME, NEXT_TIME FROMV$ARCHIVED_LOG ORDER BY SEQUENCE#;
SEQUENCE#FIRST_TIME NEXT_TIME
---------- ------------ ------------
413-JUL-16 14-JUL-16
514-JUL-16 14-JUL-16
614-JUL-16 14-JUL-16
714-JUL-16 20-JUL-16
820-JUL-16 20-JUL-16
920-JUL-16 20-JUL-16
1020-JUL-16 20-JUL-16
1120-JUL-16 20-JUL-16
1220-JUL-16 21-JUL-16
1321-JUL-16 21-JUL-16
1421-JUL-16 21-JUL-16
SEQUENCE#FIRST_TIME NEXT_TIME
---------- ------------ ------------
1421-JUL-16 21-JUL-16
1521-JUL-16 21-JUL-16
1521-JUL-16 21-JUL-16
1621-JUL-16 21-JUL-16
1621-JUL-16 21-JUL-16
1721-JUL-16 21-JUL-16
1721-JUL-16 21-JUL-16
1821-JUL-16 21-JUL-16
18 21-JUL-16 21-JUL-16
20 rows selected.
SQL> SELECT SEQUENCE#,APPLIED FROM V$ARCHIVED_LOGORDER BY SEQUENCE#;
SEQUENCE# APPLIED
---------- ---------
4 NO
5 NO
6 NO
7 NO
8 NO
9 NO
10 NO
11 NO
12 NO
13 NO
14 NO
SEQUENCE# APPLIED
---------- ---------
14 YES
15 NO
15 YES
16 NO
16 YES
17 NO
17 YES
18 NO
18 NO
20 rows selected.
SQL>
备机查看
SQL> SELECT SEQUENCE#, FIRST_TIME, NEXT_TIME FROM V$ARCHIVED_LOGORDER BY SEQUENCE#;
SEQUENCE#FIRST_TIME NEXT_TIME
---------- ------------ ------------
1421-JUL-16 21-JUL-16
1521-JUL-16 21-JUL-16
1621-JUL-16 21-JUL-16
1721-JUL-16 21-JUL-16
1821-JUL-16 21-JUL-16
SQL> SELECT SEQUENCE#,APPLIED FROM V$ARCHIVED_LOGORDER BY SEQUENCE#;
SEQUENCE# APPLIED
---------- ---------
14 YES
15 YES
16 YES
17 YES
18IN-MEMORY
SQL>
主库切换
SQL> SELECTSWITCHOVER_STATUS FROM V$DATABASE;
SWITCHOVER_STATUS
--------------------
TO STANDBY
SQL> ALTERDATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY WITH SESSION SHUTDOWN;
Database altered.
SQL> SELECTSWITCHOVER_STATUS FROM V$DATABASE;
SELECTSWITCHOVER_STATUS FROM V$DATABASE
*
ERROR at line 1:
ORA-01034: ORACLEnot available
Process ID: 2849
Session ID: 44Serial number: 27
SQL> startup
ORACLE instancestarted.
Total System GlobalArea 409194496 bytes
Fixed Size 2253744 bytes
Variable Size 322964560 bytes
DatabaseBuffers 79691776 bytes
Redo Buffers 4284416 bytes
Database mounted.
Database opened.
SQL> selectopen_mode,database_role,db_unique_name from v$database;
OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME
------------------------------------ ------------------------------
READ ONLY PHYSICAL STANDBY JASON1
SQL> ALTERDATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT FROMSESSION;
Database altered.
SQL>
备库切换
SQL> SELECTSWITCHOVER_STATUS FROM V$DATABASE;
SWITCHOVER_STATUS
--------------------
TO PRIMARY
SQL> ALTERDATABASE COMMIT TO SWITCHOVER TO PRIMARY WITH SESSION SHUTDOWN;
Database altered.
SQL> selectopen_mode,database_role,db_unique_name from v$database;
OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME
------------------------------------ ------------------------------
MOUNTED PRIMARY JASON2
SQL> alterdatabase open;
Database altered.
SQL> selectopen_mode,database_role,db_unique_name from v$database;
OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME
------------------------------------ ------------------------------
READ WRITE PRIMARY JASON2
SQL>
主机（原备机）查看日志并切换
SQL> SELECT SEQUENCE#, FIRST_TIME, NEXT_TIME FROM V$ARCHIVED_LOGORDER BY SEQUENCE#;
SEQUENCE# FIRST_TIME NEXT_TIME
---------- ------------ ------------
14 21-JUL-16 21-JUL-16
15 21-JUL-16 21-JUL-16
16 21-JUL-16 21-JUL-16
17 21-JUL-16 21-JUL-16
18 21-JUL-16 21-JUL-16
19 21-JUL-16 21-JUL-16
20 21-JUL-16 21-JUL-16
20 21-JUL-16 21-JUL-16
21 21-JUL-16 21-JUL-16
21 21-JUL-16 21-JUL-16
10 rows selected.
SQL> alter system switch logfile;
System altered.
SQL> /
System altered.
SQL> SELECT SEQUENCE#, FIRST_TIME, NEXT_TIME FROM V$ARCHIVED_LOGORDER BY SEQUENCE#;
SEQUENCE# FIRST_TIME NEXT_TIME
---------- ------------ ------------
14 21-JUL-16 21-JUL-16
15 21-JUL-16 21-JUL-16
16 21-JUL-16 21-JUL-16
17 21-JUL-16 21-JUL-16
18 21-JUL-16 21-JUL-16
19 21-JUL-16 21-JUL-16
20 21-JUL-16 21-JUL-16
20 21-JUL-16 21-JUL-16
21 21-JUL-16 21-JUL-16
21 21-JUL-16 21-JUL-16
22 21-JUL-16 21-JUL-16
SEQUENCE# FIRST_TIME NEXT_TIME
---------- ------------ ------------
22 21-JUL-16 21-JUL-16
23 21-JUL-16 21-JUL-16
23 21-JUL-16 21-JUL-16
14 rows selected.
SQL>
备库（原主机）上查看日志
SQL> SELECT SEQUENCE#, FIRST_TIME, NEXT_TIME FROM V$ARCHIVED_LOGORDER BY SEQUENCE#;
SEQUENCE# FIRST_TIME NEXT_TIME
---------- ------------ ------------
4 13-JUL-16 14-JUL-16
5 14-JUL-16 14-JUL-16
6 14-JUL-16 14-JUL-16
7 14-JUL-16 20-JUL-16
8 20-JUL-16 20-JUL-16
9 20-JUL-16 20-JUL-16
10 20-JUL-16 20-JUL-16
11 20-JUL-16 20-JUL-16
12 20-JUL-16 21-JUL-16
13 21-JUL-16 21-JUL-16
14 21-JUL-16 21-JUL-16
SEQUENCE# FIRST_TIME NEXT_TIME
---------- ------------ ------------
14 21-JUL-16 21-JUL-16
15 21-JUL-16 21-JUL-16
15 21-JUL-16 21-JUL-16
16 21-JUL-16 21-JUL-16
16 21-JUL-16 21-JUL-16
17 21-JUL-16 21-JUL-16
17 21-JUL-16 21-JUL-16
18 21-JUL-16 21-JUL-16
18 21-JUL-16 21-JUL-16
19 21-JUL-16 21-JUL-16
19 21-JUL-16 21-JUL-16
SEQUENCE# FIRST_TIME NEXT_TIME
---------- ------------ ------------
20 21-JUL-16 21-JUL-16
21 21-JUL-16 21-JUL-16
22 21-JUL-16 21-JUL-16
23 21-JUL-16 21-JUL-16
26 rows selected.
SQL> SELECT SEQUENCE#,APPLIED FROM V$ARCHIVED_LOG ORDER BY SEQUENCE#;
SEQUENCE# APPLIED
---------- ---------
4 YES
5 YES
6 YES
7 YES
8 YES
9 YES
10 YES
11 YES
12 YES
13 YES
14 YES
SEQUENCE# APPLIED
---------- ---------
14 YES
15 YES
15 YES
16 YES
16 YES
17 YES
17 YES
18 YES
18 NO
19 YES
19 NO
SEQUENCE# APPLIED
---------- ---------
20 YES
21 YES
22 YES
23 IN-MEMORY
26 rows selected.
SQL>
