How to mount SUN's Solaris System file system "ufs" on Linux system?
Answer: 
# rpm –import http://elrepo.org/RPM-GPG-KEY-elrepo.org
# rpm -Uvh http://elrepo.org/elrepo-release-6-4.el6.elrepo.noarch.rpm
# yum update
# yum install kmod-ufs
# modprobe ufs
#mount -t ufs -ufstype=sunx86,ro device directory
PS. ufstype=ufs2, sun, sunx86, ...