backup incremental level 0 database 报错,ora-19809,ora-19804
2012-02-18 11:37
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今天在联系增量备份时报错,如上图:
由报错信息可以知道,原因是“超出恢复文件的限制,需要52428800的字节单只有2147483648字节”的限制导致,
使用视图:v$recovery_file_dest,视图检查恢复区
SPACE_LIMIT,SPACE_USED,SPACE_RECLAIMABLE, NUMBER_OF_FILES
----------- ---------- ----------------- ---------------
D:\app\xuanenyu\flash_recovery_area, 2147483648 ,1344897024 , 0 ,2
因需要52428800字节空间而现在只有1344897024个字节空间,所以无法获取足够的空间,备份。
解决办法设法扩大恢复区的空间。
设置参数 DB_RECOVERY_FILE_DEST_SIZE;
ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE=8G SCOPE=BOTH;
然后SHUTDOWN IMMEDIATE 关闭数据库,在执行STARTUP打开数据库。
在CMD中输入 raman target /
再执行:backup incremental level 0 database;
备份成功。
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