今天查看資料，對log_archive_dest_n和standby_archive_dest的關係有點模糊了，做個簡單的測試，縷清關係、加深記憶。
首先看一下我們的實驗環境，10grac，雙節點:node1和node2
SQL> host hostname
node1
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bi
PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for Linux: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
SQL> show parameter archvie;
SQL> show parameter archvie
SQL> show parameter archive
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
archive_lag_target integer 0
log_archive_config string
log_archive_dest string
log_archive_dest_1 string location=/home/oracle/11
log_archive_dest_10 string
log_archive_dest_2 string service=racdb2
log_archive_dest_3 string
log_archive_dest_4 string
log_archive_dest_5 string
log_archive_dest_6 string
log_archive_dest_7 string
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_8 string
log_archive_dest_9 string
log_archive_dest_state_1 string enable
log_archive_dest_state_10 string enable
log_archive_dest_state_2 string enable
log_archive_dest_state_3 string enable
log_archive_dest_state_4 string enable
log_archive_dest_state_5 string enable
log_archive_dest_state_6 string enable
log_archive_dest_state_7 string enable
log_archive_dest_state_8 string enable
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_state_9 string enable
log_archive_duplex_dest string
log_archive_format string %t_%s_%r.dbf
log_archive_local_first boolean TRUE
log_archive_max_processes integer 2
log_archive_min_succeed_dest integer 1
log_archive_start boolean FALSE
log_archive_trace integer 0
remote_archive_enable string true
standby_archive_dest string ?/dbs/archSQL> host clear
SQL> host hostname
node2
SQL> select * from v$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
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
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_state_7 string enable
log_archive_dest_state_8 string enable
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
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
standby_archive_dest string ?/dbs/arch在node1下執行如下命令：alter system archive log current;
SQL> alter system archive log current;
System altered.
SQL> 在節點2下，查看
[oracle@node2 ~]$ cd 22
[oracle@node2 22]$ ll
total 852
-rw-r----- 1 oracle oinstall 854528 Jul 7 15:09 1_70_790532232.dbf
-rw-r----- 1 oracle oinstall 8704 Jul 7 15:11 1_71_790532232.dbf
[oracle@node2 22]$ cd ..
[oracle@node2 ~]$ cd 21
[oracle@node2 21]$ ll
total 836
-rw-r----- 1 oracle oinstall 846848 Jul 7 15:09 2_52_790532232.dbf
-rw-r----- 1 oracle oinstall 3072 Jul 7 15:11 2_53_790532232.dbf
[oracle@node2 21]$ cd $ORACLE_HOME/dbs
[oracle@node2 dbs]$ ll
total 44
-rw-rw---- 1 oracle oinstall 1552 Jul 7 15:07 hc_racdb2.dat
-rw-r----- 1 oracle oinstall 12920 May 3 2001 initdw.ora
-rw-r----- 1 oracle oinstall 8385 Sep 11 1998 init.ora
-rw-r----- 1 oracle oinstall 24 Aug 5 2012 initracdb2.ora
-rw-r----- 1 oracle oinstall 1536 Aug 5 2012 orapwracdb2
-rw-r----- 1 oracle oinstall 1536 Jul 7 15:07 spfileracdb2.oraSQL> alter system set standby_archive_dest='/home/oracle/33' sid='racdb2';
System altered.在節點1，歸檔
SQL> alter system archive log current;
System altered.[oracle@node2 ~]$ cd 33
[oracle@node2 33]$ ll
total 4
-rw-r----- 1 oracle oinstall 2048 Jul 7 15:14 1_72_790532232.dbf
[oracle@node2 33]$ cd ../22
[oracle@node2 22]$ ll
total 852
-rw-r----- 1 oracle oinstall 854528 Jul 7 15:09 1_70_790532232.dbf
-rw-r----- 1 oracle oinstall 8704 Jul 7 15:11 1_71_790532232.dbf
[oracle@node2 22]$ 結論：
在沒有設置standby_archvie_Dest的情況下，數據庫會將歸檔放置在standby數據庫的log_Archive_dest_n指定的目錄下，如果指定了STANDBY_ARCHIVE_DEST則存放在standby_archive_Dest指定的目錄下。