Tuesday Jun 25, 2013

REGISTER TODAY: Oracle Linux and Oracle VM Virtual SysAdmin Day- July 15

Are you just starting on Oracle Linux or do you still feel you are missing some knowledge on how to configure, install or patch your Oracle Linux? If you answered yes, this event for you. This is our second virtual sysadmin day for Oracle Linux and it had been hugely popular in the past. This is a hands-on experience for all those Sysadmins that are looking for a great training without leaving their office or home. You will learn to:

  • Install Oracle Linux using RPM and yum repositories; create storage volumes, prepare block devices, work with filesystems
  • Create and mount Btrfs in Oracle Linux, work with block devices and snapshots

Come and join us on July 15, 9am-12pm Pacific Time for an informative and interactive session.

See more details and register 

Tuesday Aug 21, 2012

New article on OTN: How I Use the Advanced Capabilities of Btrfs

In her first article, "How I Got Started with the Btrfs File System for Oracle Linux", Margaret gave an overview of the Btrfs file system on Oracle Linux and explained the basic file system operations.

In the second part of this article series titled "How I Use the Advanced Capabilities of Btrfs", Margaret now explores some of the more advanced features of this file system like RAID, checksums or filesystem snapshots and clones.

If you want to learn more about this exciting new file system, these two articles provide a solid foundation of information to evaluate and get familiar with Btrfs. Go check them out!

Tuesday Mar 13, 2012

Unbreakable Enterprise Kernel Release 2 has been released

We’re proud to announce the availability of a major enhancement to Oracle Linux: Unbreakable Enterprise Kernel Release 2 (2.6.39) has been released! The RPM packages are now available from the Unbreakable Linux Network and the public yum repositories. This kernel can be installed on both Oracle Linux 5.8 and newer as well as Oracle Linux 6.2 and newer. By simply updating the Unbreakable Enterprise Kernel, Oracle Linux customers can benefit from the latest improvements that have taken place in mainline Linux, without having to re-install their distribution or applications.

This release includes many new features as well as numerous performance and scalability improvements that were added to mainline Linux since the first Unbreakable Enterprise Kernel release (which is based on Linux 2.6.32). Despite the version number, the Unbreakable Enterprise Kernel Release 2 is based on mainline Linux 3.0.16 and includes a few selected patches from other mainline Linux versions. The source code is available from this public git source code repository.

Some key highlights in this release include:

  • Btrfs file system
  • Performance and scalability improvements
  • Virtualization improvements
  • Transparent Huge Pages and Memory compaction
  • Cgroups improvements
  • Linux Containers
  • OCFS2 improvements
  • Updated Device Drivers

For more information, please see the Unbreakable Enterprise Kernel Release 2 features and benefits document and consult the release notes for more For installation instructions, check out the Getting Started with the Unbreakable Enterprise Kernel installation guide on the Oracle Technology Network.

Now that the Unbreakable Enterprise Kernel Release 2 has been released, we will continue to provide support for Release 1 of the Unbreakable Enterprise Kernel (2.6.32) in the form of critical bug fixes and security errata for another 9 months. However, new hardware enablement (e.g. by providing device driver updates) will now only be made available through the quarterly updates of Unbreakable Enterprise Kernel Release 2 on the Unbreakable Linux Network. During this grace period, we encourage all customers to switch to Release 2.

Tuesday Jan 17, 2012

Oracle Linux with UEKR2 running on a Sun Fire X4800 M2 server sets a new TPC-C world record on x86

We issued the following press release today: Oracle Extends Performance Leadership with x86 World Record on TPC-C Benchmark

"Oracle’s Sun Fire X4800 M2, running Oracle Linux with the Unbreakable Enterprise Kernel Release 2, Oracle Tuxedo, and Oracle Database 11g Release 2, achieved 4,803,718 transactions per minute (tpmC) with a price/performance of $.98/tpmC."

 The benchmark was performed on the following Oracle stack:

  • Sun Oracle x4800 M2 system with 4TB RAM and 160 CPU threads
  • Oracle Linux with Unbreakable Enterprise Kernel Release 2
  • Oracle Database 11gR2

Update (2012-01-18): More details about the benchmark configuration can be found in this blog post over at the Oracle BestPerf blog.
2nd Update (2012-01-18): The full disclosure report is now available as a PDF from here.

Looking at the current non-clustered benchmark results on tpc.org, this submission delivers the best result performed on an x86 system, ranking  #3 overall for non-clustered TPC-C workloads. It's also worth pointing out that this system has a much better price/performance ratio ($0.98/tpmC) than the top 2 on this list ($2.81/tpmC).

This is a very impressive result – handling this kind of workload on 4TB RAM and 160 CPU threads clearly shows the scalability possibilities of running Oracle Linux with the Oracle Unbreakable Enterprise Kernel.

For more information, please go to Oracle Linux  web page or  follow us at : 

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Friday Jan 06, 2012

New beta drop of the Unbreakable Enterprise Kernel Release 2

We've published a new beta release of the Unbreakable Enterprise Linux (Release 2). The package version is kernel-uek-2.6.39-100.0.18 and is now available for both Oracle Linux 5 and 6 (64bit only).

If you're already subscribed to the UEK2 beta repository, you can simply run "yum update" to obtain the latest bits. Otherwise simply follow the instructions outlined on that page to enable this yum repository and install the updated kernel RPMs.

Some of the notable changes in this release in comparison to the first beta:

  • Updated code base from mainline Linux 3.0.6 to 3.0.13
  • Numerous Btrfs updates/fixes
  • iSCSI updates/fixes
  • Added/updated device drivers (be2iscsi, be2net, lpfc, mlx4_en, mpt2sas, netxen_nic, oracleasm, qla2xxx, qla4xxx, qlnic)
  • Xen updates
  • Lots of bug fixes

You can clone or browse our public git source tree for more details on the changes that have been made.

Monday Oct 10, 2011

Oracle Linux is on a Roll! DTrace, UEK2, Ksplice and More...

Oracle Linux PenguinLast week's Oracle OpenWorld was an incredible success. By any standards. From the vast amount of content that was delivered, the passion and zeal displayed by attendees that were eager to learn, share and network, the larger than life keynotes, the food, the activities, the keynotes, the drama, the large scale, entertainment with Sting and Tom Petty, everything was meticulous!

Hats off to the Oracle employees who work day in and day out to make this experience possible for our attendees!

Now that we are back to our normal work routine, I looked back at all the announcements/discussions and wanted to share a few with you that are relevant to the Linux community.

1. Unbreakable Enterprise Kernel Release 2 (Beta): 

We announced the availability of Unbreakable Enterprise Kernel 2 (UEK2) beta which is based on Linux 2.6.39 and includes featuures such as btrfs in production, Linux container, Open vSwitch and more. UEK2 beta is freely available to everyone. All you need is Oracle Linux 6 installed (also freely available from edelivery) and connect to the Unbreakable Linux Network (ULN) if you are an existing customer or if you just want to play with cool new stuff, use our public yum repository. Check out Wim Coeakert's blog entry with details on UEK2.

2. DTrace in Linux:

Another interesting feature we announced and is already available to Oracle Linux customers is "DTrace." We released a preview of DTrace which is made available to Oracle Linux support subscribers. Wim is also on a roll as you can see from his detailed blog entry on DTrace!

3. Zero downtime updates with Ksplice:

Ksplice has to be the hottest thing in Linux! Since early September Oracle Linux customers with a Premier support subscription, or Oracle customers with Oracle Premier Support for Systems and Operating Systems, have access to the newly added "zero downtime kernel updates" with Ksplice. Ksplice updates are kernel updates that can be applied on a running system. Note that we are not just talking about being able to install a new update of a package while the system is running and it then have take effect after a reboot or restart. The ksplice patches are immediately applied to the running Linux kernel and are effective immediately. On subsequent reboot, these patches are applied at bootup, or if a customer has installed a newer version of the kernel rpm itself, then of course the new kernel would just be loaded. How cool is this! Read Ksplice details here.

We are on a roll! Oracle is seriously investing in Linux and is driving Linux innovation hand in hand with the Linux community. Not only is Oracle Linux Support still much lower cost, but it is also superior in the features and functionality we bring to customers. Oracle Linux is the BEST Linux for any enterprise computing needs. Period.

Check out the Oracle Linux home page.

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