测试log_archive_dest_1与log_archive_format对生成的归档文件名的影响
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/arch/test 而不是/arch/test/
如下测试验证log_archive_dest_1与log_archive_format对生成的归档文件名的影响。
1.log_archive_dest_1指定的目录后面还有字段
1.1. 字段对应的无同名目录，生成归档文件名=log_archive_dest_1+log_archive_format
1.2 字段对应的有同名目录，生成归档文件在同名目录下，文件名为log_archive_format
2.log_archive_dest_1指定的目录不存在--报错
3.log_archive_dest_1指定的目录
归档文件名=log_archive_format
-----------------------------------
1 log_archive_dest_1指定的目录后面还有字段
1.1. 字段对应的无同名目录，生成归档文件名=log_archive_dest_1+log_archive_format
归档文件名=log_archive_dest_1+log_archive_format
SQL> alter system set log_archive_dest_1='LOCATION=/u01/oracle/base/oracle/oradata/arch/test';
System altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u01/oracle/base/oracle/oradata/arch/test
Oldest online log sequence 24
Next log sequence to archive 26
Current log sequence 26
SQL> show parameter log_archive_format
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_format string %t_%s_%r.dbf
SQL> alter system switch logfile;
System altered.
--------生成的文件名
[oracle@bys1 arch]$ pwd
/u01/oracle/base/oracle/oradata/arch
[oracle@bys1 arch]$ ls
test1_26_900253622.dbf
1.2 字段对应的有同名目录，生成归档文件在同名目录下，文件名为log_archive_format
文件在同名目录下，文件名为log_archive_format
SQL> alter system switch logfile;
System altered.
[oracle@bys1 test]$ pwd
/u01/oracle/base/oracle/oradata/arch/test
[oracle@bys1 test]$ ls
1_40_900253622.dbf
2.log_archive_dest_1指定的目录不存在--直接报错
SQL> alter system set log_archive_dest_1='LOCATION=/u01/oracle/base/oracle/oradata/arch/test/';
alter system set log_archive_dest_1='LOCATION=/u01/oracle/base/oracle/oradata/arch/test/'
*
ERROR at line 1:
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-16032: parameter LOG_ARCHIVE_DEST_1 destination string cannot be translated
ORA-07286: sksagdi: cannot obtain device information.
Linux Error: 2: No such file or directory
3.log_archive_dest_1指定目录
归档文件名=log_archive_format
[oracle@bys1 arch]$ mkdir test
[oracle@bys1 arch]$ ls
test test1_26_900253622.dbf
SQL> alter system set log_archive_dest_1='LOCATION=/u01/oracle/base/oracle/oradata/arch/test/';
System altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u01/oracle/base/oracle/oradata/arch/test/
Oldest online log sequence 25
Next log sequence to archive 27
Current log sequence 27
SQL> show parameter log_archive_format
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_format string %t_%s_%r.dbf
SQL> alter system switch logfile;
System altered.
---------
[oracle@bys1 arch]$ cd test
[oracle@bys1 test]$ ls -al
total 12
drwxr-xr-x 2 oracle oinstall 4096 Feb 1 16:13 .
drwxr-xr-x 3 oracle oinstall 4096 Feb 1 16:13 ..
-rw-r----- 1 oracle asmadmin 2560 Feb 1 16:13 1_27_900253622.dbf
[oracle@bys1 test]$ pwd
/u01/oracle/base/oracle/oradata/arch/test
