Oracle 备份与恢复学习笔记(13)
2015-03-31 11:54
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第十三章: Rman 维护
1、rman 使用和维护
2、list 查看备份信息
1)RMAN> list backup;
2)RMAN> list backup of tablespace users;
3)RMAN> list backup of datafile 2;
4)RMAN> list backup of controlfile;
5) RMAN> list backup of archivelog all;
6)RMAN> list backup of archivelog until time ='sysdate -1';
7)RMAN> list backupset 56;
8)RMAN> list copy;
9)RMAN> list copy of tablespace users;
10)RMAN> list copy of datafile 1;
11)RMAN> list datafilecopy 67;
12)RMAN> list copy of controlfile;
3、crosscheck:用于检测备份状态(AVAILABLE:可用;UNAVAILABLE :不可用;expired 过期(备份已经被os 删除了)(防止备份在os下被误删除)
RMAN> crosscheck backup;
RMAN> crosscheck copy;
4、report
RMAN> report schema; 查看目标库的物理结构
RMAN> report need backup; 查看需要做备份的datafile
RMAN> report obsolete; 根据备份冗余策略来判断,那些备份是陈旧的(obsolete)
5、delete ;删除备份
RMAN> delete backup of datafile 2;
RMAN> delete backup of tablespace system;
RMAN> delete backup ;
RMAN> delete backup of controlfile;
RMAN> delete noprompt backup of controlfile; ;删除noprompt 不提示
RMAN> delete copy;
RMAN> delete copy of datafile 10;
RMAN> delete copy of tablespace users;
RMAN> delete expired backup; 删除过期的备份
RMAN> delete expired copy;
RMAN> delete obsolete ;删除陈旧的备份
RMAN> delete noprompt obsolete; 删除不加提示
6、catalog :可以把手工备份的文件,转换到rman
-------将手工备份注册为image
RMAN> catalog datafilecopy '/disk1/backup/prod/hot_bak/users01.dbf';
cataloged datafile copy
datafile copy filename=/disk1/backup/prod/hot_bak/users01.dbf recid=68 stamp=759556193
RMAN> list copy of datafile 2;
List of Datafile Copies
Key File S Completion Time Ckp SCN Ckp Time Name
------- ---- - --------------- ---------- --------------- ----
68 2 A 19-AUG-11 1457868 19-AUG-11 /disk1/backup/prod/hot_bak/users01.dbf
RMAN> delete copy of datafile 2;
-------将手工备份注册成备份集
RMAN> catalog backuppiece '/disk1/backup/prod/hot_bak/users01.dbf';
---------注册目录下所有的备份(image)
RMAN> catalog start with ‘/disk1/backup/prod/hot_bak/’;
7、change: 修改备份状态
RMAN> change backupset 66 unAVAILABLE;
RMAN> change backupset 66 AVAILABLE;
本文出自 “天涯客的blog” 博客,请务必保留此出处http://tiany.blog.51cto.com/513694/792536
1、rman 使用和维护
2、list 查看备份信息
1)RMAN> list backup;
2)RMAN> list backup of tablespace users;
3)RMAN> list backup of datafile 2;
4)RMAN> list backup of controlfile;
5) RMAN> list backup of archivelog all;
6)RMAN> list backup of archivelog until time ='sysdate -1';
7)RMAN> list backupset 56;
8)RMAN> list copy;
9)RMAN> list copy of tablespace users;
10)RMAN> list copy of datafile 1;
11)RMAN> list datafilecopy 67;
12)RMAN> list copy of controlfile;
3、crosscheck:用于检测备份状态(AVAILABLE:可用;UNAVAILABLE :不可用;expired 过期(备份已经被os 删除了)(防止备份在os下被误删除)
RMAN> crosscheck backup;
RMAN> crosscheck copy;
4、report
RMAN> report schema; 查看目标库的物理结构
RMAN> report need backup; 查看需要做备份的datafile
RMAN> report obsolete; 根据备份冗余策略来判断,那些备份是陈旧的(obsolete)
5、delete ;删除备份
RMAN> delete backup of datafile 2;
RMAN> delete backup of tablespace system;
RMAN> delete backup ;
RMAN> delete backup of controlfile;
RMAN> delete noprompt backup of controlfile; ;删除noprompt 不提示
RMAN> delete copy;
RMAN> delete copy of datafile 10;
RMAN> delete copy of tablespace users;
RMAN> delete expired backup; 删除过期的备份
RMAN> delete expired copy;
RMAN> delete obsolete ;删除陈旧的备份
RMAN> delete noprompt obsolete; 删除不加提示
6、catalog :可以把手工备份的文件,转换到rman
-------将手工备份注册为image
RMAN> catalog datafilecopy '/disk1/backup/prod/hot_bak/users01.dbf';
cataloged datafile copy
datafile copy filename=/disk1/backup/prod/hot_bak/users01.dbf recid=68 stamp=759556193
RMAN> list copy of datafile 2;
List of Datafile Copies
Key File S Completion Time Ckp SCN Ckp Time Name
------- ---- - --------------- ---------- --------------- ----
68 2 A 19-AUG-11 1457868 19-AUG-11 /disk1/backup/prod/hot_bak/users01.dbf
RMAN> delete copy of datafile 2;
-------将手工备份注册成备份集
RMAN> catalog backuppiece '/disk1/backup/prod/hot_bak/users01.dbf';
---------注册目录下所有的备份(image)
RMAN> catalog start with ‘/disk1/backup/prod/hot_bak/’;
7、change: 修改备份状态
RMAN> change backupset 66 unAVAILABLE;
RMAN> change backupset 66 AVAILABLE;
本文出自 “天涯客的blog” 博客,请务必保留此出处http://tiany.blog.51cto.com/513694/792536
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