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oracle dataguardÊÇÖ¸Ò»ÖÖÊý¾Ý¿â¼¶±ðµÄHA·½°¸£¬×îÖ÷ÒªµÄ¹¦ÄÜÊÇÈÝÔÖ£¬Êý¾Ý±£»¤£¬¹ÊÕϻָ´µÈ
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 primary£º192.168.18.1;
   oracle_SID:db1
 db_unique_name=db1
 
 standby: 192.168.18.2
   oracle_sid:standby
 db_unique_name=standby
  
Ö÷Êý¾Ý¿âµÄ×¼±¸
 1£¬ÉèÖÃÖ÷Êý¾Ý¿âµÄforce logging
 alter database force logging;
 
 2,£¬´´½¨ÃÜÂëÎļþ
  cd $ORACLE_HOME/DBS/ orapwdfile=orapwdb1 password=123 force=yes
 
 3,ÐÞ¸ÄÖ÷¿âµÄ³õʼ»¯²ÎÊý
  alter system set log_archive_config='dg_config=(db1,standby)' scope=both;
  alter system set log_archive_dest1='location=/../db1/arch/ scope=both;
  alter system db_unique_name='db1' scope=both;
 4,Éú³ÉÊý¾Ý¿â±¸·Ý£¬
  conn target sys/123
  backup database format='/oracle/rmanback/%d_%s.dbf' plus archivelog;
  
 5£¬Éú³É±¸¿âµÄcontrol file
  alter database create standby controlfile as '/../oracle/rmanback/ctontrol01.ctl';
 6,ÅäÖÃlistener.ora ºÍtnsname.oraÎļþ
  
  Æô¶¯listener.ora 
  
  lsnrctl status
  ÅäÖÃtnsname.ora
  vi $ORACLE_HOME/network/admin/tnsname.ora
  
db1 =(DESCRIPTION =(ADDRESS_LIST =       
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.18.1)(PORT = 1521)))
     (CONNECT_DATA = (SERVICE_NAME = db1) 
standby =(DESCRIPTION =(ADDRESS_LIST =       
(ADDRESS=(PROTOCOL = TCP)(HOST = 192.168.18.2)(PORT = 1521)))     
     (CONNECT_DATA =(SERVICE_NAME = standby)))
ÅäÖÃstandby database
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