大佬教程收集整理的这篇文章主要介绍了Centos6.5 + Oracle 11g r2 + nfs搭建RAC环境二，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
以下检查，最好在二台机器上都进行操作；
检查crs状态:
[grid@rac1~]$crsctlcheckcrs CRS-4638:OracleHighAvailabilityServicesisonline CRS-4537:ClusterReadyServicesisonline CRS-4529:ClusterSynchronizationServicesisonline CRS-4533:EventManagerisonline
检查集群节点
[grid@rac1~]$olsnodes-n rac11 rac22
检查监听器进程
[grid@rac1~]$srvctlstatuslistener 监听程序LISTENER已启用 监听程序LISTENER正在节点上运行:rac1,rac2
检查Oracle ASM
[grid@rac1~]$srvctlstatusasm-a ASM正在rac1,rac2上运行 ASM已启用。
检查OCR
[grid@rac1~]$ocrcheck StatusofOracleClusterRegistryisasfollows: Version:3 Totalspace(kbytes):262120 Usedspace(kbytes):2248 Availablespace(kbytes):259872 ID:1968086688Device/FileName:+OCR_Vote Device/FileintegritychecksucceededDevice/FilenotconfiguredDevice/FilenotconfiguredDevice/FilenotconfiguredDevice/Filenotconfigured Clusterregistryintegritychecksucceeded Logicalcorruptioncheckbypassedduetonon-privilegeduser
检查表决磁盘
[grid@rac1~]$crsctlquerycssVotedisk ##STATEFileUniversalIdFileNameDiskgroup ------------------------------------------ ONLINE433b29a662934f14bf5ce26f5c5f1bbf(ORCL:OCR_Vote01)[OCR_Vote]
安装oracle11gR2
[oracle@rac1~]$unziplinux.x64_11gR2_database_1of2.zip [oracle@rac1~]$unziplinux.x64_11gR2_database_2of2.zip [oracle@rac1~]$cddatabase/ [oracle@rac1database]$./runInstaller
在二台机器上运行脚本 [root@rac1~]#/u01/app/oracle/product/11.2.0/db_1/root.sh RunningOracle11groot.shscript... Thefollowingenvironmentvariablesaresetas: ORACLE_OWNER=oracle ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1 Enterthefullpathnameofthelocalbindirectory:[/usr/local/bin]: Thefile"dbhome"alreadyexistsin/usr/local/bin.Overwriteit?(y/n) [n]:y Copyingdbhometo/usr/local/bin... Thefile"oraenv"alreadyexistsin/usr/local/bin.Overwriteit?(y/n) [n]:y Copyingoraenvto/usr/local/bin... Thefile"coraenv"alreadyexistsin/usr/local/bin.Overwriteit?(y/n) [n]:y Copyingcoraenvto/usr/local/bin... Entrieswillbeaddedtothe/etc/oratabfileasneededby DatabaseConfigurationAssistantwhenadatabaseiscreated Finishedrunninggenericpartofroot.shscript. Nowproduct-specificrootactionswillbeperformed. Finishedproduct-specificrootactions.
创建数据库
#su�Coracle $dbca
至此，oracle 11gr2 rac安装完成,可以使用plsql进行连接测试即可
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