[oracle@AmbowdbServer ~]$ sqlplus / as sysdbaSQL*Plus: Release 10.2.0.1.0 - Production on Wed May 2 00:44:58 2012Copyright (c) 1982, 2005, Oracle. All rights reserved.Connected to an idle instance.SQL>
SQL>
SQL>
SQL> startup
ORA-27125: unable to create shared memory segment
Linux-x86_64 Error: 1: Operation not permitted
操作系统用的centos 6.2 x86_64
SQL>
SQL>
SQL> startup
ORA-27125: unable to create shared memory segment
Linux-x86_64 Error: 1: Operation not permitted
操作系统用的centos 6.2 x86_64
http://hi.baidu.com/jadesuper6/blog/item/aa5f07298483082a349bf7b6.html
[oracle@yans1 ~]$ id oracle
uid=500(oracle) gid=502(oinstall) groups=502(oinstall),501(dba)
[oracle@yans1 ~]$ more /proc/sys/vm/hugetlb_shm_group
0
下面用root执行下面的命令,将dba组添加到系统内核中:
# echo 501 > /proc/sys/vm/hugetlb_shm_group
然后启动数据库,问题消失。