DATAGUARD维护：从库宕机后如何恢复到管理恢复模式
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一、sys登陆
实例：
$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.4.0 - Production on Wed Nov 3 07:35:34 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Connected to an idle instance.
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二、备库启动到管理恢复模式
SQL>startup nomount;
SQL>alter database mount standby database;
SQL>alter database recover managed standby database disconnect from session;
实例：
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 8187281408 bytes
Fixed Size 2097024 bytes
Variable Size 1308622976 bytes
Database Buffers 6861881344 bytes
Redo Buffers 14680064 bytes
SQL> alter database mount standby database;
Database altered.
SQL> alter database recover managed standby database disconnect from session;
Database altered.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
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三、启动侦听
$ lsnrctl start
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production on 03-NOV-2010 07:36:39
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Starting /home/oracle/database/bin/tnslsnr: please wait...
TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production
System parameter file is /home/oracle/database/network/admin/listener.ora
Log messages written to /home/oracle/database/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.128.26)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.128.26)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production
Start Date 03-NOV-2010 07:36:40
Uptime 0 days 0 hr. 0 min. 2 sec
Trace Level off
Security ON: Local OS Authentication
SNMP ON
Listener Parameter File /home/oracle/database/network/admin/listener.ora
Listener Log File /home/oracle/database/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.128.26)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "standby" has 1 instance(s).
Instance "standby", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
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四、查看侦听状态
$ lsnrctl status
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production on 03-NOV-2010 07:43:07
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.128.26)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production
Start Date 03-NOV-2010 07:36:40
Uptime 0 days 0 hr. 6 min. 28 sec
Trace Level off
Security ON: Local OS Authentication
SNMP ON
Listener Parameter File /home/oracle/database/network/admin/listener.ora
Listener Log File /home/oracle/database/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.128.26)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "standby" has 2 instance(s).
Instance "standby", status UNKNOWN, has 1 handler(s) for this service...
Instance "standby", status READY, has 1 handler(s) for this service...
Service "standby_XPT" has 1 instance(s).
Instance "standby", status READY, has 1 handler(s) for this service...
The command completed successfully
本文转自zylhsy 51CTO博客，原文链接：http://blog.51cto.com/yunlongzheng/414338，如需转载请自行联系原作者