知识大全 Clone an Oracle Database
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Description Need to create a duplicate database on the same machine ? Database too big to use Export/Import ? This is the easiest way to do it Assume the original database is called PROD and you want to create a CLONE duplicate database Procedure Find some disk space and create appropriate directories / file systems for you cloned database (conforming to the OFA guidelines) Connect to the PROD instance and dump the controlfile using the SQL mand ALTER DATABASE BACKUP CONTROLFILE TO TRACE; This will put a text copy of the controlfile in the USER_DUMP_DEST Shutdown Normal PROD database Perform an operating system copy of PROD to the new location where CLONE will reside Startup the PROD instance Edit the controlfile you created and change all the path names of the database to the new location Set your environment to the CLONE instance and run Server Manager (svrmgrl) CONNECT INTERNAL STARTUP NOMOUNT CREATE CONTROLFILE REUSE SET DATABASE CLONE RESETLOGS NOARCHIVELOG MAXLOGFILES MAXLOGMEMBERS MAXDATAFILES MAXINSTANCES MAXLOGHISTORY LOGFILE GROUP /oracle/data/CLONE /redos/log CLONE dbf SIZE K GROUP /oracle/data/CLONE /redos/log CLONE dbf SIZE K GROUP /oracle/data/CLONE /redos/log CLONE dbf SIZE K DATAFILE /oracle/data/CLONE /system_ts/systCLONE dbf SIZE M /oracle/data/CLONE /data_ts/data_CLONE dbf SIZE M /oracle/data/CLONE /index_ts/index_CLONE dbf SIZE M /oracle/data/CLONE /rbs_ts/rbs_CLONE dbf SIZE M /oracle/data/CLONE /temp_ts/temp_CLONE dbf SIZE M /oracle/data/CLONE /tools_ts/ts_tools_CLONE _ dbf SIZE M /oracle/data/CLONE /users_ts/ts_users_CLONE dbf SIZE M ; ALTER DATABASE OPEN RESETLOGS; That s it an exact duplicate of PROD and a painless procedure cha138/Article/program/Oracle/201311/17821相关参考