DATAGUARD维护：从库宕机后如何恢复到管理恢复模式

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

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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

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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