RMAN Restore, Recovery
Complete recovery:
?
rman target / nocatalog
startup mount;
restore database;
recover database;
alter database open;?? -- 在歸檔模式下
?
恢復的之后, 更改的路徑
rman target / nocatalog
startup mount;
run {
? set newname for datafile 1 to ‘/<newdir>/system01.dbf’ …
? restore database;
? switch datafile all;
? recover database;
? alter database open; }
?
tablespace 級別de :
run {
? sql “alter tablespace users offline immediate”;
? restore tablespace users;
? recover tablespace users;
? sql “alter tablespace users online”; }
?
使用 rman 重新定位 tablespace 的路徑:
1. 首先確認要轉換路徑的表空間的datafile. select file#, name, bytes from v$datafiles;
2. run {
? sql “alter tablespace users offline immediate”;
? set newname for datafile ‘/oradata/u03/users01.dbf’ to ‘/oradata/u04/users01/dbf’ --這句用來指定 restore的路徑
? restore(tablespace users);
? switch datafile 3;? -- update the control file and recovery catalog
? recover tablespace users;?
? sql “alter tablespace tbs1 online”; }
?
Incomplete Recovery:
1. Mount the database
2. Allocate multiple channels for parallelization.
3. Restore all datafiles.
4. Recover the database by using UNTIL TIME, UNTIL SEQUENCE, or UNTIL SCN.
5. Open the database by using RESETLOGS.
6. Perform a whole database backup.
run {
? allocate channel c1 type disk;
? allocate channel c2 type disk;
? set until time = ‘2000-12-09:14:44:44’;
? restore database;
? recover database;
? alter database open resetlogs; }
?
這里要注意一下: NLS_DATE_FORMAT 這個參數所對應的時間格式.
?
run {
? set until sequence 120 thread 1;
? alter database mount;
? restore database;
? recover database;
? sql “alter database open resetlogs”; }
?
轉載
恢復的幾種情形
1.在mount 或open 階段完成的災難恢復
非系統表空間,undo表空間,所有的數據文件
2.在nomount 階段完成的災難恢復
控制文件(controlfile)
3.在mount 階段完成的災難恢復
系統表空間,聯機重做日志文件
總結
以上是生活随笔為你收集整理的RMAN Restore, Recovery的全部內容,希望文章能夠幫你解決所遇到的問題。
- 上一篇: GridView如何设置View的初始样
- 下一篇: 破解sina新浪邮箱密码