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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