安装oracle,运行rootpre.sh时报以下错误：

Configuring Asynchronous I/O...
Asynchronous I/O is already defined
/var/ha/soc/hagsdsocket./cdrom/rootpre.sh[338]: /usr/lpp/ssp/bin/spget_syspar:
not found: No such file or directory.
Please make sure that the group services subsystem is active.
Aborting pre-installation procedure. Installations of Oracle may fail.

$ /cdrom/runInstaller[83]: ./runInstaller: cannot execute