User`s guide

iii
Table of Contents
Preface .............................................................................................................................................. v
1 New Features and Changes ............................................................................................................ 1
1.1 Notable Changes .................................................................................................................. 1
1.1.1 Architecture ............................................................................................................... 1
1.1.2 Control Groups and Linux Containers ......................................................................... 1
1.1.3 Core Kernel Functionality ........................................................................................... 2
1.1.4 Cryptography ............................................................................................................. 3
1.1.5 Device Mapper .......................................................................................................... 3
1.1.6 Diagnostics ................................................................................................................ 3
1.1.7 DTrace ...................................................................................................................... 3
1.1.8 File Systems .............................................................................................................. 6
1.1.9 Memory Management ................................................................................................ 7
1.1.10 Networking ............................................................................................................... 8
1.1.11 Performance ............................................................................................................ 8
1.1.12 Security ................................................................................................................... 9
1.1.13 Storage .................................................................................................................... 9
1.1.14 Virtualization .......................................................................................................... 10
1.2 Xen Improvements .............................................................................................................. 10
1.3 Driver Updates ................................................................................................................... 11
1.3.1 Storage Adapter Drivers ........................................................................................... 11
1.3.2 Network Adapter Drivers .......................................................................................... 12
1.3.3 Miscellaneous Drivers .............................................................................................. 12
1.4 New and Updated Packages ............................................................................................... 13
1.5 Technology Preview ............................................................................................................ 16
1.6 Compatibility ....................................................................................................................... 16
2 Known Issues ................................................................................................................................ 17
3 Installation and Availability ............................................................................................................. 25
3.1 Installation Overview ........................................................................................................... 25
3.2 Subscribing to ULN Channels ............................................................................................. 25
3.3 Enabling Access to Public Yum Channels ............................................................................ 26
3.4 Upgrading OFED Packages ................................................................................................ 27
3.5 Upgrading Your System ...................................................................................................... 27
A Other Changes ............................................................................................................................. 29
A.1 Architecture ........................................................................................................................ 29
A.2 Block Devices .................................................................................................................... 29
A.3 Core Kernel Functionality .................................................................................................... 30
A.4 Cryptography ...................................................................................................................... 34
A.5 Device Mapper ................................................................................................................... 35
A.6 Driver Support .................................................................................................................... 35
A.7 File Systems ...................................................................................................................... 36
A.8 Memory Management ......................................................................................................... 39
A.9 Networking ......................................................................................................................... 40
A.10 perf Utility ......................................................................................................................... 45
A.11 Power Management .......................................................................................................... 46
A.12 Security ............................................................................................................................ 46
A.13 Storage ............................................................................................................................ 47
A.14 Virtualization ..................................................................................................................... 48