RAC环境数据文件误建到本地文件系统处理



RAC环境数据文件误建到本地文件系统处理 ORA-01157: cannot identify/lock data file 66 - see DBWR trace file ORA-01110: data file 66: (文档 ID 1612244.1)

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修改时间:2014-3-26类型:PROBLEM

In this Document Symptoms   Changes   Cause   Solution APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.1 and later Information in this document applies to any platform. SYMPTOMS  user add datafile for RAC DataBase in the local node  SQL> alter tablespace system add datafile 'FRA' SIZE 250M AUTOEXTEND ON NEXT 50M MAXSIZE UNLIMITED; then when he query DBA_DATA_FILES ORA-01157: cannot identify/lock data file 66 - see DBWR trace file ORA-01110: data file 66: '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/FRA' CHANGES  datafiles add to system Tablespace by mistake on the local Node instead of shared diskgroup CAUSE  This is expected as it is RAC DB and it suppose to create the new Datafile on the shared disk no on the local node when user  add data file using SQL> alter tablespace system add datafile 'FRA' SIZE 250M AUTOEXTEND ON NEXT 50M MAXSIZE UNLIMITED; its add the datafile in the default OMG location db_create_file_dest SQL> show parameter db_create_file_dest NAME                                 TYPE        VALUE ------------------------------------ ----------- ------------------------------ db_create_file_dest                  string and when it is Null the default locaion $OH/dbs   SOLUTION - Open the DB in Mount state - copy the created Datafile to the shared Disk Group please note that the DB must be in the archive mode . RMAN> copy datafile '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/FRA' to '+FRA'; Starting backup at 06-JAN-14 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=8 instance=TESTDB12 device type=DISK channel ORA_DISK_1: starting datafile copy input datafile file number=00066 name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/FRA output file name=+FRA/testdb1/datafile/system.284.836141149 tag=TAG20140106T132548 RECID=1 STAMP=836141162 channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15 Finished backup at 06-JAN-14    - using SQL PLUS rename the Datafile to the New location SQL>alter database rename file '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/FRA' to '+FRA/TESTDB1/DATAFILE/SYSTEM.284.836141149';  - open the DB SQL> alter Databse open;  - remove the old file  $ rm /u01/app/oracle/product/11.2.0/dbhome_1/dbs/FRA