這篇文章主要介紹“Oracle怎么增加控制文件副本”,在日常操作中,相信很多人在Oracle怎么增加控制文件副本問題上存在疑惑,小編查閱了各式資料,整理出簡單好用的操作方法,希望對大家解答”O(jiān)racle怎么增加控制文件副本”的疑惑有所幫助!接下來,請跟著小編一起來學習吧!
新建的數據庫只有一個控制文件副本,希望增加控制文件副本到不同位置,防止控制文件發(fā)生損壞。
# 如果使用了OMF則可以在修改參數時只指定路徑,無需指定絕對路徑,是否使用OMF即是否設置了db_create_file_dest 參數。 SYS@honor1 > show parameter control_files; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ control_files string +DATADG/honor/controlfile/current.260.984508003 control_management_pack_access string DIAGNOSTIC+TUNING SYS@honor1 > alter system set control_files='+DATADG/honor/controlfile/current.260.984508003','+datadg' scope=spfile sid='*'; System altered. Elapsed: 00:00:00.01 SYS@honor1 > shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. 10:16:35 SYS@honor1 > exit
(1)創(chuàng)建控制文件副本 [oracle@db-oracle-node1 ~]$ rman target / Recovery Manager: Release 11.2.0.4.0 - Production on Mon Dec 9 10:17:27 2019 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. connected to target database (not started) RMAN> startup nomount; Oracle instance started Total System Global Area 521936896 bytes Fixed Size 2254824 bytes Variable Size 440403992 bytes Database Buffers 75497472 bytes Redo Buffers 3780608 bytes RMAN> restore controlfile from '+DATADG/honor/controlfile/current.260.984508003'; Starting restore at 09-DEC-19 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=34 instance=honor1 device type=DISK channel ORA_DISK_1: copied control file copy output file name=+DATADG/honor/controlfile/current.260.984508003 output file name=+DATADG/honor/controlfile/current.294.1026555549 Finished restore at 09-DEC-19 RMAN> alter database mount; database mounted released channel: ORA_DISK_1 RMAN> alter database open; database opened RMAN> exit Recovery Manager complete. (2)查看control_files參數 [oracle@db-oracle-node1 ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on Mon Dec 9 10:41:18 2019 Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SYS@honor1 > show parameter control_files; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ control_files string +DATADG/honor/controlfile/curr ent.260.984508003, +DATADG/hon or/controlfile/current.294.102 6555549
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