Oracle 10g RAC 切换到归档模式

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发布时间：2016-06-07 17:20:41

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创建和更新spfile时先删除或者备份共享目录上的spfile. 最好先不删除,如果删除它会把连接所在的目录删除掉,重建的时候会搞个DB_U

[Oracle@node1 pfile]$ export ORACLE_SID=MRAC1

[oracle@node1 pfile]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Thu Sep 27 10:27:35 2012

Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production

With the Partitioning, Real Application Clusters, OLAP and Data Mining options

SQL> alter system set log_archive_dest_1='+archlog' scope=both;

alter system set log_archive_dest_1='+archlog' scope=both

? 1 ?????:

ORA-32017: ?? SPFILE ???

ORA-16179: ????? SPFILE ? "log_archive_dest_1" ??????

确实LOCATION

SQL> alter system set log_archive_dest_1='location=+archlog' scope=both;

??????

SQL> alter system set log_archive_format='arch_%s_%t.arc' scope=both;

alter system set log_archive_format='arch_%s_%t.arc' scope=both

? 1 ?????:

ORA-02095: ????????????

只能SPFILE

SQL> alter system set log_archive_format='arch_%s_%t.arc' scope=spfile;

??????

SQL> alter system set log_archive_start=true;

alter system set log_archive_start=true

? 1 ?????:

ORA-02095: ????????????

SQL> alter system set log_archive_start=true scope=spfile;

??????

查看活动实例

SQL> col inst_name for a30

SQL> select * from v$active_instances;

INST_NUMBER INST_NAME

----------- ------------------------------

1 node1:MYRAC1

2 node2:MYRAC2

使用SPFILE文件启动的

SQL> show parameter spfile

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

spfile string +DATA/myrac/spfilemyrac.ora

节点2也使用同一个文件启动的

SQL> show parameter pfile

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

spfile string +DATA/myrac/spfilemyrac.ora

节点2参数文件得到立即更新

SQL> show parameter log_archive_dest_1

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

log_archive_dest_1 string location=+archlog

log_archive_dest_10 string

SQL> shutdown immediate

ORA-01507: ??????

ORACLE ???????

SQL> startup mount

SQL> show parameter log

ORA-01034: ORACLE not available

SQL> shutdown immediate;

ORA-01012: not logged on

SQL> exit

? Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production

With the Partitioning, Real Application Clusters, OLAP and Data Mining options ??

[oracle@node1 pfile]$ export ORACLE_SID=MYRAC1

[oracle@node1 pfile]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Thu Sep 27 10:51:08 2012

Connected to an idle instance.

SQL> startup nomount

ORA-32004: obsolete and/or deprecated parameter(s) specified

ORA-19905: log_archive_format must contain %s, %t and %r

SQL> show parameter log_archive

ORA-01034: ORACLE not available

SQL> host

[oracle@node1 pfile]$ pwd

/opt/oracle/database/admin/MYRAC/pfile

[oracle@node1 pfile]$ vi myrac1_pfile.ora

MYRAC2.__db_cache_size=75497472

MYRAC1.__db_cache_size=62914560

MYRAC1.__java_pool_size=4194304

MYRAC2.__java_pool_size=4194304

MYRAC1.__large_pool_size=4194304

MYRAC2.__large_pool_size=4194304

MYRAC2.__shared_pool_size=79691776

MYRAC1.__shared_pool_size=92274688

MYRAC1.__streams_pool_size=0

MYRAC2.__streams_pool_size=0

*.audit_file_dest='/opt/oracle/database/admin/MYRAC/adump'

*.background_dump_dest='/opt/oracle/database/admin/MYRAC/bdump'

*.cluster_database_instances=2

*.cluster_database=true

*.compatible='10.2.0.1.0'

*.control_files='+DATA/myrac/controlfile/current.256.772910373'

*.core_dump_dest='/opt/oracle/database/admin/MYRAC/cdump'

*.db_block_size=8192

*.db_create_file_dest='+DATA'

*.db_domain=''

*.db_file_multiblock_read_count=16

*.db_name='MYRAC'

*.dispatchers='(PROTOCOL=TCP) (SERVICE=MYRACXDB)'

MYRAC1.instance_number=1

MYRAC2.instance_number=2

*.job_queue_processes=10

*.nls_language='SIMPLIFIED CHINESE'

*.nls_territory='CHINA'

*.open_cursors=300

*.pga_aggregate_target=16777216

*.processes=150

*.remote_listener='LISTENERS_MYRAC_OLTP'

*.remote_login_passwordfile='exclusive'

*.sga_target=167772160

MYRAC2.thread=2

MYRAC1.thread=1

*.undo_management='AUTO'

MYRAC1.undo_tablespace='UNDOTBS1'

MYRAC2.undo_tablespace='UNDOTBS2'

*.user_dump_dest='/opt/oracle/database/admin/MYRAC/udump'

*.log_archive_start=true

*.log_archive_dest_1='location=+archlog'

*.log_archive_format='arch_%s_%t_%r.arc'

[oracle@node1 pfile]$ exit

exit

SQL> startup nomount pfile='/opt/oracle/database/admin/MYRAC/pfile/myrac1_pfile.ora';

ORA-32006: LOG_ARCHIVE_START initialization parameter has been deprecated

ORACLE instance started.

Total System Global Area 167772160 bytes

Fixed Size 1218316 bytes

Variable Size 100665588 bytes

Database Buffers 62914560 bytes

Redo Buffers 2973696 bytes

这个参数被废弃了无关紧要!

SQL> show parameter log_archive

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

log_archive_config string

log_archive_dest string

log_archive_dest_1 string location=+archlog

log_archive_dest_10 string

log_archive_dest_2 string

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

log_archive_dest_8 string

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

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

log_archive_dest_state_9 string enable

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

log_archive_duplex_dest string

log_archive_format string arch_%s_%t_%r.arc

log_archive_local_first boolean TRUE

log_archive_max_processes integer 2

log_archive_min_succeed_dest integer 1

log_archive_start boolean TRUE

log_archive_trace integer

SQL> alter database archivelog;

???????

SQL> archive log list;

??????? ????

???? ??

???? +ARCHLOG

????????? 86

????????? 88

?????? 88

SQL> alter database open;

???????

SQL> col instance_name a30

SP2-0158: ??? COLUMN ?? "a30"

SQL> col inst_name for a30

SQL> select * from v$active_instances;

INST_NUMBER INST_NAME

----------- ------------------------------

1 node1:MYRAC1

SQL> alter session set nls_language=american;

Session altered.

先把原来的AMSCMD里的删除

SQL> create spfile='+DATA/MyRAC/spfileMYRAC.ora' from pfile;

File created.

SQL> startup

ORA-01565: error in identifying file '+DATA/MYRAC/spfileMYRAC.ora'

ORA-17503: ksfdopn:2 Failed to open file +DATA/MYRAC/spfileMYRAC.ora

ORA-01000: maximum open cursors exceeded

[oracle@node1 oracle]$ cat pfile_01.ora

*.SPFILE='+DATA/MYRAC/spfileMYRAC.ora'

删除SPFILE 重新创建并且修改语言到英文环境 SSH客户端没地方设置

SQL> create spfile='+data/myrac/spfileMYRAC.ora' from pfile='/opt/oracle/database/admin/MYRAC/pfile/myrac1_pfile.ora';

File created.

指定SPFILE目录和指定PFILE

结果节点2成功启动了SPFILE, 反而节点1的SPFILE 定位在本地目录上

SQL> startup nomount

ORACLE instance started.

Total System Global Area 167772160 bytes

Fixed Size 1218316 bytes

Variable Size 100665588 bytes

Database Buffers 62914560 bytes

Redo Buffers 2973696 bytes

SQL> show parameter pfile

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

spfile string /opt/oracle/database/product/1

0.2.0/db_1/dbs/spfileMYRAC1.or

经过几番折腾把本地SPFILE移走到其他目录下终于启动了共享磁盘上的SPFILE文件

[oracle@node1 dbs]$ mv spfileMYRAC1.ora /opt/oracle/database

[oracle@node1 dbs]$ exit

关闭先前的实例

SQL> shutdown immediate;

ORA-01507: database not mounted

ORACLE instance shut down.

启动内存模式

SQL> startup nomount

ORACLE instance started.

Total System Global Area 167772160 bytes

Fixed Size 1218316 bytes

Variable Size 100665588 bytes

Database Buffers 62914560 bytes

Redo Buffers 2973696 bytes

查看spfile路径发现正确用到了共享磁盘上的

SQL> show parameter pfile

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

spfile string +DATA/myrac/spfilemyrac.ora

加载控制文件

SQL> alter database mount

2 ;

Database altered.

打开数据库

SQL> alter database open;

Database altered.

查看是否归档

SQL> archive log list

Database log mode Archive Mode

Automatic archival Enabled

Archive destination +ARCHLOG

Oldest online log sequence 87

Next log sequence to archive 89

Current log sequence 89

节点1 交换日志

SQL> alter system switch logfile;

System altered

自动生成多级目录

ASMCMD> pwd

+archlog/myrac/archivelog/2012_09_27

ASMCMD> ls

thread_1_seq_88.256.795093263

thread_1_seq_89.257.795108837.

节点直接启动开启数据库模式

并且查看归档

节点2 交换下日志

SQL> alter system switch logfile;

ASMCMD> ls

thread_1_seq_88.256.795093263

thread_1_seq_89.257.795108837

thread_2_seq_47.258.795108927

注意事项

1 创建pfile和spfile 最好指定目录两边都要

2 创建和更新spfile时先删除或者备份共享目录上的spfile. 最好先不删除,如果删除它会把连接所在的目录删除掉,重建的时候会搞个DB_UNKONW 怪怪地.

3 注意共享磁盘上的spfile 结尾是不带数字的

4 归档文件路径只要指定一级目录就够了,它会自动创建多级目录的.

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