Oracle® Linux

Release Notes for Unbreakable Enterprise Kernel Release 3

Oracle Legal Notices


February 2014


This document contains information on the Unbreakable Enterprise Kernel Release 3. This document may be updated after it is released. To check for updates to this document, and to view other Oracle documentation, refer to the Documentation section on the Oracle Technology Network (OTN) Web site:

This document is intended for users and administrators of Oracle Linux. It describes potential issues and the corresponding workarounds you may encounter while using the Unbreakable Enterprise Kernel Release 3 with Oracle Linux 6. Oracle recommends that you read this document before installing or upgrading the Unbreakable Enterprise Kernel Release 3.

Document generated on: 2014-02-28 (revision: 1716)

Table of Contents

1 New Features and Changes
1.1 Notable Changes
1.1.1 Architecture
1.1.2 Control Groups and Linux Containers
1.1.3 Core Kernel Functionality
1.1.4 Cryptography
1.1.5 Device Mapper
1.1.6 Diagnostics
1.1.7 DTrace
1.1.8 File Systems
1.1.9 Memory Management
1.1.10 Networking
1.1.11 Performance
1.1.12 Security
1.1.13 Storage
1.1.14 Virtualization
1.2 Xen Improvements
1.3 Driver Updates
1.3.1 Storage Adapter Drivers
1.3.2 Network Adapter Drivers
1.3.3 Miscellaneous Drivers
1.4 New and Updated Packages
1.5 Technology Preview
1.6 Compatibility
2 Known Issues
3 Installation and Availability
3.1 Installation Overview
3.2 Subscribing to ULN Channels
3.3 Enabling Access to Public Yum Channels
3.4 Upgrading OFED Packages
3.5 Upgrading Your System
A Other Changes
A.1 Architecture
A.2 Block Devices
A.3 Core Kernel Functionality
A.4 Cryptography
A.5 Device Mapper
A.6 Driver Support
A.7 File Systems
A.8 Memory Management
A.9 Networking
A.10 perf Utility
A.11 Power Management
A.12 Security
A.13 Storage
A.14 Virtualization