一、查看数据库的dbid
select dbid from v$database;
二、修改参数文件
create pfile=’/tmp/pfile’ from spfile;
直接恢复spfile
三、rman操作
1.rman target /
2.startup nomount pfile=’xxxxxx’
3.set DBID=XXXXXXX
4.恢复控制文件
run{
allocate channel c1
type
disk;
restore controlfile from
'控制文件rman备份路径'
;
release channel c1;
}
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5.加载控制文件
alter database mount;
6.恢复
run{
allocate channel c1
type
disk;
[Set newname
for
datafile 1 to
'新数据文件路径'
;]
restore database;
[switch datafile all;]
--rman中修改控制文件中datafile path
--sql
"alter database rename file ''/opt/oracle/oradata/test/xff_02.dbf'' to ''/opt/oracle/oradata/test/xifenfei02.dbf''"
recover database;
release channel c1;
}
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