Linux 10g --ORA-27125: unable to create shared memory segment

dbs]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Thu Feb 27 14:57:52 2014

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup
ORA-27125: unable to create shared memory segment
Linux-x86_64 Error: 1: Operation not permitted

這個問題N 年後再遇到，無奈查metalink 解決方案:

# echo 502 > /proc/sys/vm/hugetlb_shm_group
# vi /etc/sysctl.conf

加在最後面
vm.hugetlb_shm_group  = 502

[root@localhost oradisk]# sysctl -p