今天查看资料，对log_archive_dest_n和standby_archive_dest的关系有点模糊了，做个简单的测试，缕清关系、加深记忆。
首先看一下我们的实验环境，10grac，双节点:node1和node2
SQL> host hostname node1 SQL> select * from v$version; BANNER ---------------------------------------------------------------- Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bi PL/SQL Release 10.2.0.1.0 - Production CORE 10.2.0.1.0 Production TNS for Linux: Version 10.2.0.1.0 - Production NLSRTL Version 10.2.0.1.0 - Production SQL> show parameter archvie; SQL> show parameter archvie SQL> show parameter archive NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ archive_lag_target integer 0 log_archive_config string log_archive_dest string log_archive_dest_1 string location=/home/oracle/11 log_archive_dest_10 string log_archive_dest_2 string service=racdb2 log_archive_dest_3 string log_archive_dest_4 string log_archive_dest_5 string log_archive_dest_6 string log_archive_dest_7 string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_8 string log_archive_dest_9 string log_archive_dest_state_1 string enable log_archive_dest_state_10 string enable log_archive_dest_state_2 string enable log_archive_dest_state_3 string enable log_archive_dest_state_4 string enable log_archive_dest_state_5 string enable log_archive_dest_state_6 string enable log_archive_dest_state_7 string enable log_archive_dest_state_8 string enable NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_state_9 string enable log_archive_duplex_dest string log_archive_format string %t_%s_%r.dbf log_archive_local_first boolean TRUE log_archive_max_processes integer 2 log_archive_min_succeed_dest integer 1 log_archive_start boolean FALSE log_archive_trace integer 0 remote_archive_enable string true standby_archive_dest string ?/dbs/arch
SQL> host clear SQL> host hostname node2 SQL> select * from v$version; BANNER ---------------------------------------------------------------- Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bi PL/SQL Release 10.2.0.1.0 - Production CORE 10.2.0.1.0 Production TNS for Linux: Version 10.2.0.1.0 - Production NLSRTL Version 10.2.0.1.0 - Production SQL> show parameter archive NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ archive_lag_target integer 0 log_archive_config string log_archive_dest string log_archive_dest_1 string location=/home/oracle/21 log_archive_dest_10 string log_archive_dest_2 string service=racdb1 log_archive_dest_3 string LOCATION=/home/oracle/22 VALID _FOR=(standby_logfiles, all_ro les) log_archive_dest_4 string log_archive_dest_5 string NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ log_archive_dest_6 string log_archive_dest_7 string log_archive_dest_8 string