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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. -----------------------------------------------------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-----------------------------------------------------
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-----------------------------------------------------
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