怎么增量备份oracle 增量文件备份

oracle如果增量备份

增量备份分为累积和差异两种

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backup incremental level 0 database; --这是一个0级备份

backup incremental level 1 database; --差异1级

backup incremental level 2 database; --差异2级

backup incremental level 1 cumulative database; --累积1级

backup incremental level 2 cumulative database; --累积2级

一般来说周日凌晨跑一个0级,一二跑各跑1个差异1级,周三跑1一个差异2级,周四周五各跑1个差异1级,周六跑一个差异2级

请问怎么实现oracle数据库的自动定时增量备份呢?

oracle实现自动定时备份其实比较好的方法是:

oracle中的job

+

存储过程

job定时执行,而存储过程则完成增量备份!!

oracle rman备份与恢复 全量备份、增量备份

source /etc/profile

DAY_TAG= date +"%Y-%m-%d"

week= date +%W

backdir1=/home/oracle/backup/" backdir1

rman target / nocatalog msglog /home/oracle/backup/log/fullback_$DAY_TAG.logEOF

run{

crosscheck backup;

delete noprompt expired backup;

allocate channel d1 type disk;

backup incremental level 0 as compressed backupset database format ' backdir1/arch_%d_%T_%t_%s_%p' archivelog all;

backup current controlfile format '$backdir1/ctl_%d_%T_%t_%s_%p';

release channel d1;

}

EOF

source /etc/profile

DAY_TAG= date +"%Y-%m-%d"

week= date +%W

backdir1=/home/oracle/backup/" backdir1

rman target / nocatalog msglog /home/oracle/backup/log/incremental_$DAY_TAG.logEOF

run{

crosscheck backup;

delete noprompt expired backup;

allocate channel d1 type disk;

backup incremental level 1 as compressed backupset database format ' backdir1/arch_%d_%T_%t_%s_%p' archivelog all;

backup current controlfile format '$backdir1/ctl_%d_%T_%t_%s_%p';

release channel d1;

}

EOF

0 4 * * 0 bash rmanfull.sh

0 4 * * 1-6 bash rmanincreme.sh


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