Oracle 10.2.0.4 , Linux AS 5.3 , 两个节点的RAC , 现在加入第三个节点, 按照文档加入一切正常(抱歉,这里机器名有点怪,只有1,3,4) , 准备修改参数的时候, 发现 cluster_database_instances 还是 2 , 其他参数类似undo, thread 都有加入节点3的 , 只有 cluster_database_instances 没有变化 , 后来找到一篇文章, 加入新节点后, 需要同时重新启动几个节点 ,不过重新启动后, 还是没有变化, 一定要手工改变这个参数后, 重新启动数据库才可以 , 为什么Oracle不去修改这个参数呢 ,一定需要人为更改 ?
参考:
http://space.itpub.net/4227/viewspace-591996
dfmsstyrac04$
dfmsstyrac04$crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....01.lsnr application ONLINE ONLINE dfms...ac01
ora....c01.gsd application ONLINE ONLINE dfms...ac01
ora....c01.ons application ONLINE ONLINE dfms...ac01
ora....c01.vip application ONLINE ONLINE dfms...ac01
ora....03.lsnr application ONLINE ONLINE dfms...ac03
ora....c03.gsd application ONLINE ONLINE dfms...ac03
ora....c03.ons application ONLINE ONLINE dfms...ac03
ora....c03.vip application ONLINE ONLINE dfms...ac03
ora....04.lsnr application ONLINE ONLINE dfms...ac04
ora....c04.gsd application ONLINE ONLINE dfms...ac04
ora....c04.ons application ONLINE ONLINE dfms...ac04
ora....c04.vip application ONLINE ONLINE dfms...ac04
ora.mxdell.db application ONLINE ONLINE dfms...ac03
ora....l1.inst application ONLINE ONLINE dfms...ac01
ora....l2.inst application ONLINE ONLINE dfms...ac03
ora....l3.inst application ONLINE ONLINE dfms...ac04
dfmsstyrac04$
mxdell1.__db_cache_size=19058917376
mxdell2.__db_cache_size=19058917376
mxdell3.__db_cache_size=19058917376
mxdell1.__java_pool_size=16777216
mxdell2.__java_pool_size=16777216
mxdell3.__java_pool_size=16777216
mxdell1.__large_pool_size=16777216
mxdell2.__large_pool_size=16777216
mxdell3.__large_pool_size=16777216
mxdell1.__shared_pool_size=2365587456
mxdell2.__shared_pool_size=2365587456
mxdell3.__shared_pool_size=2365587456
mxdell1.__streams_pool_size=0
mxdell2.__streams_pool_size=0
mxdell3.__streams_pool_size=0
*.audit_file_dest='/u01/product/admin/mxdell/adump'
*.background_dump_dest='/u01/product/admin/mxdell/bdump'
*.cluster_database_instances=2
*.cluster_database=true
*.compatible='10.2.0.3.0'
*.control_files='/ocfs_ctrl_redo/mxdell/control01.ctl','/ocfs_ctrl_redo/mxdell/control02.ctl','/ocfs_ctrl_redo/mxdell/control03.ctl'
*.core_dump_dest='/u01/product/admin/mxdell/cdump'
*.db_block_size=16384
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='mxdell'
*.db_recovery_file_dest='/ocfs_data/flash_reco'
*.db_recovery_file_dest_size=4294967296
*.dispatchers='(PROTOCOL=TCP) (SERVICE=mxdellXDB)'
mxdell1.instance_number=1
mxdell2.instance_number=2
mxdell3.instance_number=3
*.job_queue_processes=10
*.local_listener='LOCAL_MXDELL'
*.log_archive_dest_1='LOCATION=/ocfs_data/mxdell/arch'
*.log_archive_format='%t_%s_%r.arc'
*.open_cursors=300
*.pga_aggregate_target=4294967296
*.processes=2000
*.remote_listener='LISTENERS_MXDELL'
*.remote_login_passwordfile='exclusive'
*.sessions=2205
*.sga_target=21474836480
mxdell2.thread=2
mxdell1.thread=1
mxdell3.thread=3
*.undo_management='AUTO'
mxdell1.undo_tablespace='UNDOTBS1'
mxdell2.undo_tablespace='UNDOTBS2'
mxdell3.undo_tablespace='UNDOTBS3'
*.user_dump_dest='/u01/product/admin/mxdell/udump'
重新启动数据库。
dfmsstyrac04$srvctl stop database -d mxdell -o immediate
dfmsstyrac04$srvctl start database -d mxdell
发现参数还是没有变 :
*.cluster_database_instances=2
参考:
http://space.itpub.net/4227/viewspace-591996
dfmsstyrac04$
dfmsstyrac04$crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....01.lsnr application ONLINE ONLINE dfms...ac01
ora....c01.gsd application ONLINE ONLINE dfms...ac01
ora....c01.ons application ONLINE ONLINE dfms...ac01
ora....c01.vip application ONLINE ONLINE dfms...ac01
ora....03.lsnr application ONLINE ONLINE dfms...ac03
ora....c03.gsd application ONLINE ONLINE dfms...ac03
ora....c03.ons application ONLINE ONLINE dfms...ac03
ora....c03.vip application ONLINE ONLINE dfms...ac03
ora....04.lsnr application ONLINE ONLINE dfms...ac04
ora....c04.gsd application ONLINE ONLINE dfms...ac04
ora....c04.ons application ONLINE ONLINE dfms...ac04
ora....c04.vip application ONLINE ONLINE dfms...ac04
ora.mxdell.db application ONLINE ONLINE dfms...ac03
ora....l1.inst application ONLINE ONLINE dfms...ac01
ora....l2.inst application ONLINE ONLINE dfms...ac03
ora....l3.inst application ONLINE ONLINE dfms...ac04
dfmsstyrac04$
mxdell1.__db_cache_size=19058917376
mxdell2.__db_cache_size=19058917376
mxdell3.__db_cache_size=19058917376
mxdell1.__java_pool_size=16777216
mxdell2.__java_pool_size=16777216
mxdell3.__java_pool_size=16777216
mxdell1.__large_pool_size=16777216
mxdell2.__large_pool_size=16777216
mxdell3.__large_pool_size=16777216
mxdell1.__shared_pool_size=2365587456
mxdell2.__shared_pool_size=2365587456
mxdell3.__shared_pool_size=2365587456
mxdell1.__streams_pool_size=0
mxdell2.__streams_pool_size=0
mxdell3.__streams_pool_size=0
*.audit_file_dest='/u01/product/admin/mxdell/adump'
*.background_dump_dest='/u01/product/admin/mxdell/bdump'
*.cluster_database_instances=2
*.cluster_database=true
*.compatible='10.2.0.3.0'
*.control_files='/ocfs_ctrl_redo/mxdell/control01.ctl','/ocfs_ctrl_redo/mxdell/control02.ctl','/ocfs_ctrl_redo/mxdell/control03.ctl'
*.core_dump_dest='/u01/product/admin/mxdell/cdump'
*.db_block_size=16384
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='mxdell'
*.db_recovery_file_dest='/ocfs_data/flash_reco'
*.db_recovery_file_dest_size=4294967296
*.dispatchers='(PROTOCOL=TCP) (SERVICE=mxdellXDB)'
mxdell1.instance_number=1
mxdell2.instance_number=2
mxdell3.instance_number=3
*.job_queue_processes=10
*.local_listener='LOCAL_MXDELL'
*.log_archive_dest_1='LOCATION=/ocfs_data/mxdell/arch'
*.log_archive_format='%t_%s_%r.arc'
*.open_cursors=300
*.pga_aggregate_target=4294967296
*.processes=2000
*.remote_listener='LISTENERS_MXDELL'
*.remote_login_passwordfile='exclusive'
*.sessions=2205
*.sga_target=21474836480
mxdell2.thread=2
mxdell1.thread=1
mxdell3.thread=3
*.undo_management='AUTO'
mxdell1.undo_tablespace='UNDOTBS1'
mxdell2.undo_tablespace='UNDOTBS2'
mxdell3.undo_tablespace='UNDOTBS3'
*.user_dump_dest='/u01/product/admin/mxdell/udump'
重新启动数据库。
dfmsstyrac04$srvctl stop database -d mxdell -o immediate
dfmsstyrac04$srvctl start database -d mxdell
发现参数还是没有变 :
*.cluster_database_instances=2
来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/35489/viewspace-628341/,如需转载,请注明出处,否则将追究法律责任。
转载于:http://blog.itpub.net/35489/viewspace-628341/
在Oracle 10.2.0.4的RAC环境中,加入第三个节点后,发现cluster_database_instances参数未自动更新为3。除该参数外,其他如undo和thread等参数已正确调整。即使重启数据库,此参数仍未变更,需手动修改。
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