說明：本文爲Oracle 11gR2數據庫遷移數據文件位置指導手冊
標籤：數據文件遷移、遷移數據文件、修改數據文件路徑、本地數據文件轉ASM數據文件、RAC數據文件添加錯誤、
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★ 實驗說明
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數據庫版本：11.2.0.4 RAC
服務器版本：Centos 6.4
ASM磁盤組 ：
+DATA 存放數據文件
+FRA 存放歸檔
+OCR 存放集羣信息
數據文件號：4（一般是USERS表空間）
★ 執行命令彙總
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溫馨提示：實驗前請確保數據庫處於歸檔模式
su - oracle
rman target /
run{
report schema;
sql 'alter database datafile 4 offline';
backup as copy datafile 4 format '+fra/4' reuse;
set newname for datafile 4 to '+fra/4';
switch datafile 4;
recover datafile 4;
sql 'alter database datafile 4 online';
report schema;
}
★ 執行日誌詳情
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[oracle@rac1 ~]$ rman target /
Recovery Manager: Release 11.2.0.4.0 - Production on Sat Apr 25 13:41:58 2020
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: RACDB (DBID=950564508)
run{
report schema;
sql 'alter database datafile 4 offline';
backup as copy datafile 4 format '+fra/4' reuse;
set newname for datafile 4 to '+fra/4';
switch datafile 4;
recover datafile 4;
sql 'alter database datafile 4 online';
report schema;
10> }
Report of database schema for database with db_unique_name RACDB
List of Permanent Datafiles
===========================
File Size(MB) Tablespace RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1 720 SYSTEM *** +DATA/racdb/datafile/system.256.952947643
2 590 SYSAUX *** +DATA/racdb/datafile/sysaux.257.952947643
3 110 UNDOTBS1 *** +DATA/racdb/datafile/undotbs1.258.952947643
4 5 USERS *** +DATA/racdb/datafile/users.259.952947643
5 313 EXAMPLE *** +DATA/racdb/datafile/example.264.952947763
6 50 UNDOTBS2 *** +DATA/racdb/datafile/undotbs2.265.952947977
List of Temporary Files
=======================
File Size(MB) Tablespace Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1 31 TEMP 32767 +DATA/racdb/tempfile/temp.263.952947755
sql statement: alter database datafile 4 offline
Starting backup at 25-APR-20
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00004 name=+DATA/racdb/datafile/users.259.952947643
output file name=+FRA/4 tag=TAG20200425T135653 RECID=11 STAMP=1038664614
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 25-APR-20
executing command: SET NEWNAME
datafile 4 switched to datafile copy
input datafile copy RECID=11 STAMP=1038664614 file name=+FRA/4
Starting recover at 25-APR-20
using channel ORA_DISK_1
starting media recovery
media recovery complete, elapsed time: 00:00:00
Finished recover at 25-APR-20
sql statement: alter database datafile 4 online
Report of database schema for database with db_unique_name RACDB
List of Permanent Datafiles
===========================
File Size(MB) Tablespace RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1 720 SYSTEM *** +DATA/racdb/datafile/system.256.952947643
2 590 SYSAUX *** +DATA/racdb/datafile/sysaux.257.952947643
3 110 UNDOTBS1 *** +DATA/racdb/datafile/undotbs1.258.952947643
4 5 USERS *** +FRA/4
5 313 EXAMPLE *** +DATA/racdb/datafile/example.264.952947763
6 50 UNDOTBS2 *** +DATA/racdb/datafile/undotbs2.265.952947977
List of Temporary Files
=======================
File Size(MB) Tablespace Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1 31 TEMP 32767 +DATA/racdb/tempfile/temp.263.952947755
RMAN>
over