Chapter16 -RMAN Recovery Catalog Creation and Maintenance
2013-03-29 14:27
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1、Overview
之前使用RMAN进行登陆时,会是这样rman target sys/oracle@DB202 nocatalog
没有catalog的情况下,所有的备份和恢复信息,都存放在control file里面.
注意:(a)、无论你是否使用catalog database,所有的备份和恢复信息依然存储在控制文件里面.catatalog作为备份和恢复信息的第二目的地.
(b)、因为数据库的备份与恢复信息,有时候会认为的只存储在控制文件里面,而不存放在catalog里面,就造成了控制文件中的备份与恢复信息,同catalog database中的信息,不一致的情况.resynchronize命令就是处理同步问题的命令.
(c)、如果DBA使用rman维护数据库数量不多,没有必要时用catalog database.
2、Recovery Catalog COntents
The recovery catalog is an optional repository containing information on:
Datafile and archived redo log file backup sets and backup pieces
Datafile copies
Archived redo log files
The physical structure of the target database.
The recovery catalog can also contain:
Persistent RMAN configuration settings
Stored job scripts(这个是控制文件,所不具备的功能.)
3、creating Recovery Catalog
(a)、create tablespace
(b)、create catalog owner
(c)、grant privileges
(d)、create catalog
(e)、connect to target database
(f)、register target database
之前使用RMAN进行登陆时,会是这样rman target sys/oracle@DB202 nocatalog
没有catalog的情况下,所有的备份和恢复信息,都存放在control file里面.
注意:(a)、无论你是否使用catalog database,所有的备份和恢复信息依然存储在控制文件里面.catatalog作为备份和恢复信息的第二目的地.
(b)、因为数据库的备份与恢复信息,有时候会认为的只存储在控制文件里面,而不存放在catalog里面,就造成了控制文件中的备份与恢复信息,同catalog database中的信息,不一致的情况.resynchronize命令就是处理同步问题的命令.
(c)、如果DBA使用rman维护数据库数量不多,没有必要时用catalog database.
2、Recovery Catalog COntents
The recovery catalog is an optional repository containing information on:
Datafile and archived redo log file backup sets and backup pieces
Datafile copies
Archived redo log files
The physical structure of the target database.
The recovery catalog can also contain:
Persistent RMAN configuration settings
Stored job scripts(这个是控制文件,所不具备的功能.)
3、creating Recovery Catalog
(a)、create tablespace
(b)、create catalog owner
(c)、grant privileges
(d)、create catalog
(e)、connect to target database
(f)、register target database
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