I just finished going through the release notes for RHEL7 Release Candidate and Technical Notes…
Features
- Fast Block Devices Caching Slower Block Devices
- Systemd controls cgroups
- Hardware Event Reporting Mechanism (HERM)
- RAS Daemon: Unifies all error data & reporting
- Live migration of a guest from the Red Hat Enterprise Linux 6.5 host to the Red Hat Enterprise Linux 7.0 Beta host is supported
- Anaconda features a new text mode that works on IBM S/390, typewriter terminals, and which can also be used write-only
- OpenLMI support
- Backup/Restore for IPA
- Replaces rgmanager with Pacemaker
- The Pacemaker Configuration System, or pcs, replaces ccs, ricci and luci as the unified cluster configuration and administration tool
Depricated & Removed Packages
- Depricated: sendmail, ext2, ext3, rhn support, libcgroup
- Removed: 32 Bit, POWER6, Some system-config-, prelink, busybox