So XFS is no longer a luxary item and will be used as the default filesystem. I think this is welcomed by many of us. Will Redhat be able to bring us surprises? I seriously doubt that as Redhat has never been on the frontier. But I do expect a rock-solid distribution.
See about Redhat’s press release:
http://www.redhat.com/about/news/press-archive/2014/6/red-hat-unveils-rhel-7
