Unable to mount ASMlib driver filesystem

While doing # /etc/init.d/oracleasm configure
and you have the following error message

Mounting ASMlib driver filesystem: mount: block device oracleasmfs is write-protected, mounting read-only
mount: cannot mount block device oracleasmfs read-only
Unable to mount ASMlib driver filesystem

you may not have disabled SELinux

to disablet SELinux at /etc/selinux/config set

SELINUX=disabled

More Information on how to disable SELinux have a look at http://www.crypt.gen.nz/selinux/disable_selinux.html

Posted in: Oracle ASM