Oracle RMAN常用指令
RMAN常用指令
標籤: Oracle
1、SHOW命令:
顯示rman配置: RMAN> show all; 查詢問前的設定
更改設定:
RMAN>CONFIGURE CONTROLFILE AUTOBACKUP ON;
還原成預設值:
RMAN>CONFIGURE CONTROLFILE AUTOBACKUP CLEAR;
查詢備份時間及備份大小:
select fname, round(bytes/1024/1024) ,bs_completion_time,df_ckp_mod_time,df_tablespace from v$backup_files where df_tablespace like '%C5%' order by df_ckp_mod_time;
2、REPORT命令:
2.1、RMAN> report schema 報告目標數據庫的物理結構;
2.2、RMAN>report need backup days=3; 報告最近3天沒有被備份的數據文件;
2.3、RMAN> report need backup days 3 tablespace users; 在USERS表空間上3天未備份的數據文件;
2.4、RMAN> report need backup incremental 3; 報告恢復數據文件需要的增量備份個數超過3次的數據文件;
2.5、RMAN> report need backup redundancy 2 database; 報告備份文件低於2份的所有數據文件;
RMAN>report need backup redundancy=2;
2.6、RMAN> report need backup recovery window of 6 days; 報告文件報表的恢復需要超過6天的歸檔日誌的數據文件;
2.7、RMAN> report unrecoverable; 報告數據庫所有不可恢復的數據文件;
2.8、RMAN> report obsolete redunndancy 2; 報告備份次數超過2次的陳舊備份;
2.9、RMAN>report obsolete; 報告多余的備份;
3、LIST命令:列出備份信息
3.1、列出數據文件備份集
RMAN>list backup; 列出詳細備份;
RMAN>list expired backup; 列出過期備份;
RMAN> list backup of database; 列出所有數據文件的備份集;
RMAN> list backup of tablespace user01; 列出特定表空間的所有數據文件備份集;
3.2、RMAN> list backup of controlfile 列出控制文件備份集;
3.3、RMAN> list backup of archivelog all 列出歸檔日誌備份集詳細信息;
RMAN>list archivelog all; 列出歸檔日誌備份集簡要信息
3.4、RMAN> list backup of spfile 列出SPFILE備份集;
3.5、RMAN> list copy of datafile 5 列出數IC報價網據文件映像副本;
3.6、RMAN> list copy of controlfile 列出控制文件映像副本;
3.7、RMAN> list copy of archivelog all 列出歸檔日誌映像副本;
3.8、RMAN> list incarnation of database 列出對應物/列出數據庫副本;
3.9、RMAN>list backup summary; 概述可用的備份;
B表示backup
F表示FULL
A表示archive log
0 1表示incremental backup
S說明備份狀態(A AVAILABLE X EXPIRED )
3.10、RMAN>list backup by file 按備份類型列出備份;
按照數據文件備份,歸檔日誌備份,控制文件備份,服務器參數文件備份 列出
4、CROSSCHECK命令:校驗備份信息
4.1、RMAN> crosscheck backup 核對所有備份集;
4.2、RMAN> crosscheck backup of database 核對所有數據文件的備份集;
4.3、RMAN> crosscheck backup of tablespace users 核對特定表空間的備份集;
4.4、RMAN> crosscheck backup of datafile 4 核對特定數據文件的備份集;
4.5、RMAN> crosscheck backup of controlfile 核對控制文件的備份集;
4.6、RMAN> crosscheck backup of spfile 核對SPFILE的備份集;
4.7、RMAN> crosscheck backup of archivelog sequence 3 核對歸檔日誌的備份集;
4.8、RMAN> crosscheck copy 核對所有映像副本;
4.9、RMAN> crosscheck copy of database 核對所有數據文件的映像副本;
4.10、RMAN> crosscheck copy of tablespace users 核對特定表空間的映像副本;
4.11、RMAN> crosscheck copy of datafile 6 核對特定數據文件的映像副本;
4.12、RMAN> crosscheck copy of archivelog sequence 4 核對歸檔日誌的映像副本;
4.13、RMAN> crosscheck copy of controlfile 核對控制文件的映像副本;
4.14、RMAN> crosscheck backup tag='SAT_BACKUP';
4.15、RMAN> crosscheck backup completed after 'sysdate – 2'
4.16、RMAN> crosscheck backup completed between 'sysdate – 5' and 'sysdate -2 '
4.17、RMAN> crosscheck backup device type sBT;
4.18、RMAN> crosscheck archivelog all;
4.19、RMAN> crosscheck archivelog like '%ARC00012.001'
4.20、RMAN> crosscheck archivelog from sequence 12;
4.21、RMAN> crosscheck archivelog until sequence 522;
5、DELETE:刪除備份
5.1、RMAN> delete obsolete; 刪除陳舊備份;
5.2、RMAN> delete expired backup; 刪除EXPIRED備份
5.3、RMAN> delete expired copy; 刪除EXPIRED副本;
5.4、RMAN> delete backupset 19; 刪除特定備份集;
5.5、RMAN> delete backuppiece ''d:\backup\DEMO_19.bak'' 刪除特定備份片;
5.6、RMAN> delete backup 刪除所有備份集;
5.7、RMAN> delete datafilecopy ''d:\backup\DEMO_19.bak'' 刪除特定映像副本;
5.8、RMAN> delete copy 刪除所有映像副本;
5.9、RMAN> delete archivelog all delete input;
RMAN> delete backupset 22 format = ''d:\backup\%u.bak'' delete input
在備份後刪除輸入對象;
5.10 RMAN> delete backupset id; 刪除備份集