Oracle RMAN±¸·ÝÖÐcatalogºÍnocatalogÇø±ð
nocatalog·½Ê½¾ÍÊÇÓÃcontrol file×÷Ϊcatalog£¬Ã¿Ò»´Î±¸·Ý¶¼ÒªÍù¿ØÖÆÎļþÀïÃæÐ´ºÃ¶à±¸·ÝÐÅÏ¢£¬¿ØÖÆÎļþÀïÃæ»áÓÐÔ½À´Ô½¶àµÄ±¸·ÝÐÅÏ¢£¬¼´RMANµÄ±¸·ÝÐÅϢдÔÚ±¾µØ¿ØÖÆÎļþÀïÃæ¡£
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µ±Í¨¹ýrman nocatalog·½Ê½±¸·ÝOracleÊý¾Ý¿â£¬OracleʹÓÃcontrolfile´æ·ÅRMANµÄ±¸·ÝÐÅÏ¢¡£Òò´Ë£¬µ±Ê¹ÓÃRman nocatalog·½Ê½±¸·ÝÊý¾Ý¿âʱ£¬Ò»¶¨Òª¼ÇµÃ±¸·Ýcontrolfile¡£
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SQL> alter sysem set control_file_record_keep_time=7 scope=spfile;
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µ±Ê¹ÓÃRman nocatalog»Ö¸´Ê±£¬Êý¾Ý¿â±ØÐëÊÇ´¦ÓÚ“mount”״̬µÄ£¬¼´Ò»¶¨ÒªÏȼÓÔØ¿ØÖÆÎļþ£¬²»È»RMANÕÒ²»µ½¼Ç¼µÄ±¸·ÝÐÅÏ¢¡£¶øOracle startup mountµÄǰÌáÌõ¼þÊÇcontrol±ØÐë´æÔÚ¡£Òò´Ë£¬Äã±ØÐëÔÚ»Ö¸´datafile֮ǰÏȻָ´controlfile¡£Ê¹ÓÃRman catalog·½Ê½Ê±£¬¿ÉÒÔstartup nomountÈ»ºórestore controlfile£»µ«Ê¹ÓÃRman nocatalogʱ£¬±ØÐëÏÈÓÃÎļþ·½Ê½»Ö¸´controlfile¡£
ÏÂÃæ¶Ô±ÈÒ»ÏÂRman nocatalogºÍRman catalogµÄ»Ö¸´Ê±µÄ²½Ö裬ÒԱ㽨Á¢ÕýÈ·µÄ±¸·Ý²ßÂÔ£¨ÒÔϵĻָ´¶¼ÊÇÔÚonline״̬ϵı¸·Ý£©£º
Rman nocatalog»Ö¸´£º
1) ½¨Á¢oracleÔËÐл·¾³£¨°üÀ¨init»òspÎļþ£©
2) Îļþ·½Ê½»Ö¸´controlfileµ½initÎļþÖ¸¶¨µÄλÖÃ
3) startup mount
4) Rman£¬»Ö¸´datafile
5) alter database open resetlogs
Rman catalog»Ö¸´£º
1) ½¨Á¢oracleÔËÐл·¾³£¨°üÀ¨init»òspÎļþ£©
2) Rman £¬restore controfile
3) alter database mount
4) Rman, restore datafile
5) alter database open resetlogs
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(
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select 64 n,17 x from dual union all
select 64 n,20 x from dual
)
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