등급: RMAN 을 통한 Oracle How - to 백업 및 복구

============================================================

BACKUP

============================================================



------------------------------------------------------------

-- backup full database - compressed



-- start rman and login to the target database

rman target /



-- do not back up unchanged data files

CONFIGURE BACKUP OPTIMIZATION ON;



-- Configure the number of server processes (channels) that write backups to DISK

CONFIGURE DEVICE TYPE DISK PARALLELISM 2;



-- configure backup destination

configure channel device type disk format '/data/backup/dbname/%U';



-- automatically backup controlfile whenever you do backup of the database

configure controlfile autobackup format for device type disk to '/data/backup/dbname/%F';



-- keep backups 14 days

configure retention policy to recovery window of 14 days;



-- delete records in repository for backup files which do not exist anymore

crosscheck backup device type disk;

delete noprompt expired backup;



-- delete backups older than retention period

report obsolete;

delete noprompt obsolete;



-- backup database and archived redo logs

backup as compressed backupset database plus archivelog delete input;



exit



------------------------------------------------------------

-- backup control file only



rman target / nocatalog



run

{

  allocate channel ch0 type disk format '/oradata/BACKUP/%d_%s_%t_%U';

  backup current controlfile;

}



exit



============================================================

RECOVERY

============================================================



------------------------------------------------------------

-- recover tablespace users



-- start rman and login to the target database

rman target /



sql "alter tablespace users offline immediate";



restore tablespace users;



recover tablespace users;



sql "alter tablespace users online";



exit



------------------------------------------------------------

-- incomplete recovery from old backup - until time



sqlplus / as sysdba



shutdown immediate



startup nomount



exit



rman target /



alter database mount;



restore database;



recover database until time "to_date('09-04-2008 22:20','dd-mm-yyyy hh24:mi')";



alter database open resetlogs;



exit



------------------------------------------------------------

-- incomplete recovery using control file from backup



-- restore files



rman target / nocatalog



startup nomount;



set dbid 3708878893;



restore controlfile from '/oradata/BACKUP/DBNAME_1599_637421512_hvivshu8_1_1';



sql "alter database mount";



restore database;



restore archivelog sequence between 3914 and 3919;



exit



-- do incomplete recovery



sqlplus /nolog



connect / as sysdba



startup mount;



recover database using backup controlfile until cancel;



ORA-00279: change 469586816 generated at 10/31/2007 11:33:12 needed for thread 1

ORA-00289: suggestion : /oradata/DBNAME/arch/1_3919.dbf

ORA-00280: change 469586816 for thread 1 is in sequence #3919



Specify log: {=suggested | filename | AUTO | CANCEL}



ORA-00279: change 469593510 generated at 10/31/2007 11:55:07 needed for thread 1

ORA-00289: suggestion : /oradata/DBNAME/arch/1_3920.dbf

ORA-00280: change 469593510 for thread 1 is in sequence #3920

ORA-00278: log file '/oradata/DBNAME/arch/1_3919.dbf' no longer needed for this recovery



Specify log: {=suggested | filename | AUTO | CANCEL}

cancel

Media recovery cancelled.



alter database open resetlogs;



alter tablespace temp add tempfile '/oradata/DBNAME/temp01.dbf'

size 897581056  reuse autoextend on next 655360 maxsize 32767m;



------------------------------------------------------------

-- incomplete recovery using control file from backup



rman target / nocatalog



startup nomount;



set dbid 1384950137;



restore controlfile from 'E:ORACLEFLASH_RECOVERY_AREAPDNLBACKUPSET2010_04_12O1_MF_NCNNF_BACKUP_PDNL_000202_0_5W52RZTX_.BKP';



sql "alter database mount";



restore database validate;



list backup;



restore archivelog sequence between 38205 and 38366 validate;



restore database;



recover database until sequence 38367;



catalog start with 'E:ORACLEFLASH_RECOVERY_AREAPDNLBACKUPSET2010_04_15O1';



crosscheck backup device type disk completed between '14-APR-10' AND '16-APR-10';



restore archivelog sequence between 38367 and 38423 validate;



recover database until sequence 38470;



alter database open resetlogs;



exit