oracle 异库恢复

Bertha 。 2022-06-16 12:09 204阅读 0赞

原服务器数据库版本10G，新服务器版本11G  
实例名必须相同。  
目录最好相同，按原pfile里的有的目录创建  
  
  
查询原数据库dbid  
select dbid from v$database;  
  
  
RMAN> set dbid=844174343                             
  
  
executing command: SET DBID  
  
  
RMAN> startup nomount;  
  
  
startup failed: ORA-01078: failure in processing system parameters  
LRM-00109: could not open parameter file '/u01/oracle/db/dbs/initxezf.ora'  
  
  
starting Oracle instance without parameter file for retrieval of spfile  
RMAN-00571: ===========================================================  
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============  
RMAN-00571: ===========================================================  
RMAN-03002: failure of startup command at 05/12/2017 11:38:58  
RMAN-04014: startup failed: ORA-04031: unable to allocate 3978656 bytes of shared memory ("shared pool","unknown object","sga heap(1,0)","FileOpenBlock")  
  
  
原服务器scp 一份spfile或者pfile到新服务器  
  
  
  
  
RMAN> startup nomount  
  
  
RMAN-00571: ===========================================================  
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============  
RMAN-00571: ===========================================================  
RMAN-03002: failure of startup command at 05/12/2017 11:48:38  
RMAN-04014: startup failed: ORA-16032: parameter LOG\_ARCHIVE\_DEST\_1 destination string cannot be translated  
ORA-07286: sksagdi: cannot obtain device information.  
Linux-x86\_64 Error: 2: No such file or directory  
RMAN-04017: startup error description: ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance  
  
  
创建所需要的目录  
mkdir -p /u02/flash\_recovery\_area  
  
  
RMAN> restore controlfile from '/oraclebak/ctl\_file\_fus3mu79\_1\_1\_20170508';  
  
  
Starting restore at 12-MAY-17  
using channel ORA\_DISK\_1  
  
  
channel ORA\_DISK\_1: restoring control file  
channel ORA\_DISK\_1: restore complete, elapsed time: 00:00:03  
output file name=/u02/oradata/xezf/control01.ctl  
output file name=/u02/oradata/xezf/control02.ctl  
output file name=/u02/oradata/xezf/control03.ctl  
Finished restore at 12-MAY-17  
  
  
RMAN> startup mount;  
  
  
database is already started  
database mounted  
released channel: ORA\_DISK\_1  
  
  
  
  
run\{  
allocate channel c1 device type disk;  
allocate channel c2 device type disk;  
allocate channel c3 device type disk;  
allocate channel c4 device type disk;  
restore database;    
recover database until scn 14373193436;  
release channel c1;  
release channel c2;  
release channel c3;  
release channel c4;  
\}  
  
  
查看各数据文件scn号是否一致  
SQL> select distinct to\_char(checkpoint\_change\#) from v$datafile a ;  
  
  
TO\_CHAR(CHECKPOINT\_CHANGE\#)  
\----------------------------------------  
14373193440  
  
  
  
  
RMAN> alter database open;  
  
  
using target database control file instead of recovery catalog  
RMAN-00571: ===========================================================  
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============  
RMAN-00571: ===========================================================  
RMAN-03002: failure of alter db command at 05/14/2017 12:09:03  
ORA-01092: ORACLE instance terminated. Disconnection forced  
ORA-00704: bootstrap process failure  
ORA-39700: database must be opened with UPGRADE option  
  
  
  
  
SQL> startup upgrade;  
ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance  
ORACLE instance started.  
  
  
Total System Global Area 1.7103E+10 bytes  
Fixed Size    2220200 bytes  
Variable Size 2281705304 bytes  
Database Buffers 1.4764E+10 bytes  
Redo Buffers   55287808 bytes  
Database mounted.  
Database opened.