Oracle RAC 11g 修改归档模式

[root@racnode1 ~]# su - oracle
[oracle@racnode1 ~]$ srvctl stop database -d RACDB    -----可以在open状态直接去修改参数文件，不必关库
[oracle@racnode1 ~]$ cd $ORACLE_BASE
[oracle@racnode1 oracle]$ pwd
/u01/app/oracle
[oracle@racnode1 oracle]$ mkdir archivelog            -----归档日志存放在本地

SQL> alter system set log_archive_dest_1='LOCATION=/u01/app/oracle/archivelog' scope=spfile sid='RACDB_1';

SQL> alter system set log_archive_dest_1='LOCATION=/u01/app/oracle/archivelog' scope=spfile sid='RACDB_2';

SQL> shutdown immediate

SQL> startup mount

SQL> alter database archivelog;

Database altered.

SQL> alter database open;

Database altered.

SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            /u01/app/oracle/archivelog
Oldest online log sequence     147
Next log sequence to archive   148
Current log sequence           148
SQL> alter system switch logfile;

System altered.

SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            /u01/app/oracle/archivelog
Oldest online log sequence     148
Next log sequence to archive   149
Current log sequence           149

[oracle@racnode1 ~]$ cd /u01/app/oracle/archivelog/
[oracle@racnode1 archivelog]$ ll
total 4044
-rw-r----- 1 oracle asmadmin 2260480 Aug 23 15:21 1_148_885898750.dbf

------------------------------------将归档日志存放在ASM共享存储中

[root@racnode1 ~]#[root@racnode1 ~]# su - grid[grid@racnode1 ~]$ sqlplus / as sysasmSQL> select NAME,TOTAL_MB,FREE_MB from v$asm_diskgroup;NAME                             TOTAL_MB    FREE_MB------------------------------ ---------- ----------DATADG                              20480      10536GRIDDG                               6144       5218[grid@racnode1 ~]$ asmcmdASMCMD> lsDATADG/GRIDDG/ASMCMD> ls -lState    Type    Rebal  NameMOUNTED  NORMAL  N      DATADG/MOUNTED  NORMAL  N      GRIDDG/ASMCMD> cd DATADGASMCMD> ls -lType  Redund  Striped  Time             Sys  NameY    RACDB/ASMCMD> cd RACDBASMCMD> ls -l                                                          ---------控制文件和日志文件，存放的不是真正的文件，而是软链接Type           Redund  Striped  Time             Sys  NameY    CONTROLFILE/Y    DATAFILE/Y    ONLINELOG/Y    PARAMETERFILE/Y    TEMPFILE/N    control01.ctl => +DATADG/RACDB/CONTROLFILE/Current.256.885898755N    control02.ctl => +DATADG/RACDB/CONTROLFILE/Current.257.885898757N    redo01.log => +DATADG/RACDB/ONLINELOG/group_1.258.885898757N    redo02.log => +DATADG/RACDB/ONLINELOG/group_2.259.885898763N    redo03.log => +DATADG/RACDB/ONLINELOG/group_3.266.885902827N    redo04.log => +DATADG/RACDB/ONLINELOG/group_4.267.885902829N    spfileRACDB.ora => +DATADG/RACDB/PARAMETERFILE/spfile.268.885902833ASMCMD> cd ..ASMCMD> lsRACDB/ASMCMD> pwd+DATADGASMCMD> exit[grid@racnode1 ~]$ sqlplus / as sysasmSQL> alter diskgroup DATADG add directory '+DATADG/ARCH';            -----ASM中创建文件夹。一个节点上创建，另外节点也可以看到并访问。不演示Diskgroup altered.SQL> exit[grid@racnode1 ~]$ asmcmdASMCMD> lsDATADG/GRIDDG/ASMCMD> cd DATADGASMCMD> lsARCH/RACDB/ASMCMD> exit[grid@racnode1 ~]$ su - oraclePassword:[oracle@racnode1 ~]$ sqlplus / as sysdbaSQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_1='LOCATION=+DATADG/ARCH' scope=both;      ------不加sid选项，代表sid=*。不同节点的归档放在同一个目录。也可以放在不                                                                                        同的目录，只需要再ASM中创建不同的目录，然后运行两次此命令，将不同                                                                                         节点的归档路径指向不同位置即可。</span>System altered.SQL> show parameter LOG_ARCHIVE_DEST_1NAME                                 TYPE        VALUE------------------------------------ ----------- ------------------------------log_archive_dest_1                   string      LOCATION=+DATADG/ARCHlog_archive_dest_10                  stringlog_archive_dest_11                  string................................

SQL> archive log list;                                                              ------在另外节点查询，设置也已经生效。Database log mode              Archive ModeAutomatic archival             EnabledArchive destination            +DATADG/archOldest online log sequence     152Next log sequence to archive   153Current log sequence           153SQL> alter system switch logfile;System altered.SQL> exit[oracle@racnode1 ~]$ exitlogout[grid@racnode1 ~]$ asmcmdASMCMD> lsDATADG/GRIDDG/ASMCMD> cd DATADG/ASMCMD> lsARCH/RACDB/ASMCMD> cd ARCHASMCMD> ls1_153_885898750.dbfASMCMD> ls                                                                                ------在另外节点切换日志1_153_885898750.dbf2_53_885898750.dbfASMCMD> exit