ORA-27125: unable to create shared memory segment

平台环境：Linux Red Hat Enterprise Linux Server release 6.0 (Santiago)

数据库版本：Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bi

安装好ORALCE数据库后，启动数据库就会报如下错误

参考http://www.eygle.com/archives/2011/12/hugepageshugetl.html 文章，说跟hugetbl有关，只需按如下操作

[root@DB-Server ~]#id oracleuid=501(oracle) gid=502(oinstall) groups=502(oinstall),501(dba)[root@DB-Server ~]#echo 501 > /proc/sys/vm/hugetlb_shm_group

然后重启数据库，问题解决，但是我发现数据库服务器重启后，这个问题又会重现，又必须处理上述命令，才能成功启动数据库。治标不治本

参考http://wiki.debian.org/Hugepages后，其实只须在/etc/sysctl.conf下设置一下hugetlb_shm_group即可一劳永逸的解决这个问题：

vm.hugetlb_shm_group = 501

转载于:https://www.cnblogs.com/kerrycode/archive/2012/04/23/2466980.html

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