ORA-27125: unable to create shared memory segment

操作系统环境 :CentOS release 6.7 (Final)
数据库版本 : Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit
错误描述和截图:
安装完数据库软件,用dbca建库时报:ORA-27125: unable to create shared memory segment
ORA-27125: unable to create shared memory segment
解决办法:经上网搜索发现是oracle一个BUG,正好本来要安装10.2.0.4,索性先升级到10.2.0.4以后再创建实例!