1配置linux环境编辑/etc/hosts文件[root@node1]#vi/etc/hosts#Donotremovethefollowingline,orvariousprograms#thatrequirenetworkfunctionalitywillfail
1node1localhost
localdomainlocalhost127
1localhost10
101rac110
102rac210
111rac1-vip10
112rac2-vip10
1rac1-priv10
2rac2-priv配置内核参数vi/etc/sysctl
confkernel
shmall=2097152kernel
shmmax=536870912kernel
shmmni=4096kernel
sem=25032000100128fs
file-max=65536net
ip_local_port_range=102465000net
rmem_default=1048576net
rmem_max=1048576net
wmem_default=262144net
wmem_max=262144重启生效/sbin/sysctl–p提高Oracle用户的shell限制设置oracle使用的文件数权限vi/etc/security/limits
conf增加下列内容oraclesoftnproc2047oraclehardnproc16384oraclesoftnofile1024oraclehardnofile65536修改安全限制[root@node1~]#vi/etc/pam
d/login增加:sessionrequired/l