问题一：
执行oracleasm命令失败，需要安装以下三个软件：
oracleasm-support-2.1.8-1.el6.i686
kmod-oracleasm-2.0.8-15.el6_9.x86_64
oracleasmlib-2.0.12-1.el6.x86_64.rpm
问题二：
在grid用户执行安装命令时安装检测失败
racdb1-> ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 1962 MB Passed
Checking swap space: must be greater than 150 MB. Actual 3953 MB Passed
Checking monitor: must be configured to display at least 256 colors
>>> Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<
Some requirement checks failed. You must fulfill these requirements before
continuing with the installation,
Continue? (y/n) [n] n
解决：
Steps to resolve this issue:
1) login into root user( su -l root)
2) execute this command : xhost +SI:localuser:oracle
3) login to the oracle user
4) execute ./runInstaller
