在Oracle数据库中,archivelog模式是一种备份和恢复模式,它与noarchivelog模式相对应。在archivelog模式下,数据库会将redo日志文件中的数据不断写入归档日志文件中,这样可以确保数据发生变化时,可以对数据库进行完整的恢复,同时也可以保护数据库的完整性。在archivelog模式下,管理员可以进行在线备份,避免了数据库的停机时间,...
RMAN> backupas copy archivelog all delete all input; Protect Your Backups RMAN can back up your live database and its archive log files, and it can also back up its own backups. These can in any case be protected with backup duplexing.Considerthis command: backupas backupset device type ...
1)RMAN-Created Image Copies RMAN创建的镜像 使用backup as copy进行镜像备份.可设置默认的磁盘备份类型为镜像.在进行镜像复制时,会检查数据块是否有错误,并记录备份信息. 默认的备份文件名格式是U%.如: /d1/oracle/work/orcva/RDBMS/datafile/o1_mf_sysaux_2qylngm3_.dbf 在镜像备份时,可以设置DB_FILE_NAME...
ノート: PLUS ARCHIVELOGをBACKUP ARCHIVELOGコマンドで指定することはできません。また、BACKUP AS COPY INCREMENTALコマンド(デフォルト・バックアップ・タイプがCOPYの場合はBACKUP INCREMENTALコマンド)で指定することもできません。INCREMENTAL FROM SCNを指定しているときに、PLUS ARCHIVELOGも指定す...
Your database is configured in ARCHIVELOG mode. Examine the RMAN configuration parameters:A.it creates image copies of the database files.B.it creates image copies of thearchivelogs.C.it creates abackupsetof archive log filesD.it fails because the D
backup archivelog all delete all input;(备份当前日志文件,删除所有输入) backup archivelog all delete input; 4.使用映像副本 备份集 backup as copy database; list copy;还可以显示归档日志文件 backup as copy datafile 4; backup as copy datafile 4 format ‘/u01/backup/user01.bak’ ...
backup as compressed backupset database format '/u01/dbbak/db/DB%U.bkp' plus archivelog format '/u01/dbbak/arch/ARCH%U.bkp' delete all input; release channel c1; release channel c2; release channel c3; release channel c4; report obsolete; ...
RMAN> BACKUP AS BACKUPSET DATABASE PLUS ARCHIVELOG; Backup tablespace only: RMAN> BACKUP AS BACKUPSET TABLESPACE; Incremental backups of the database: Create a level 0 incremental backup as the base: BACKUP INCREMENTAL LEVEL 0 DATABASE;
To create an image copy of an entire database use: RMAN> BACKUP AS COPY DATABASE; To create an image copy of a specific datafile use: RMAN> BACKUP AS COPY DATAFILE '/u01/app/oradata/TEST/users01.dbf' FORMAT '/u01/app/oracle/copy/users01.dbf';...
RMAN> BACKUP ARCHIVELOG ALL FORMAT '/full/arch/ar_%t_%s_%p' 3.3.3)把数据文件和归档日志的备份都copy到目标机器 /home/oracle/bak目录,此目录是你到时进行克隆恢复时指定的目录 因为我的RMAN这里配置为3个并发,所以生成了3个文件。(是不是感觉前面所学的知识都结合起来了啊?:-) ...