我们知道Linx 6 上安装Oracle 11G R2 RAC时要禁用Firewall 和SElinux ,下面是不禁用SElinux的后果.
Linux下创建ASM磁盘的时候遇到下述错误:
# /usr/sbin/oracleasm createdisk VO1 /dev/sdb1
Writing disk header: done
Instantiating disk: failed
Clearing disk header: done
原因:可能是selinux阻止访问disk header
解决办法:
1.禁用selinux
2.重启系统
a)备份/etc/selinux/config
# cp /etc/selinux/config /etc/selinux/config_bak
b)修改/etc/selinux/config
注释掉 SELINUX=enforcing
添加 SELINUX=disabled
# vi /etc/selinux/config
# SELINUX=enforcing
SELINUX=disabled
c)重启操作系统
# reboot
d)重新创建ASM磁盘
# /usr/sbin/oracleasm createdisk VO1 /dev/sdb1
Writing disk header: done
Instantiating disk: done
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