February 22, 2013

Red Hat Enterprise Linux 6.4 released

Red Hat has announced the availability of RHEL 6.4. The kernel level is now kernel-2.6.32-358.el6, for the main bug fixes see the kernel update description.

As usual there are the release notes and the technical notes in two separate documents. For System z besides the usual preventive bug fixes also some interesting features have been made available:
The IBM documentation for RHEL 6.4 for System z is on developerworks.

February 12, 2013

Whitepapers for Live Guest Relocation and z/VM 6.2

(updated 9/2/2013)

The Platform Test team for System z has published two new white papers that should help readers to get a smooth start with Live Guest Relocation in z/VM 6.2.
Performance results are available here:
There are also two Redbooks published:
Even though the official term for mobility is "Live Guest Relocation" you might find also references to "Live Guest Mobility" or "Dynamic Relocation" or just "Mobility in z/VM".

February 11, 2013

Oracle 11 now certified for RHEL 6 on System z

After a long period of testing last week Oracle finally certified Oracle DB 11gR2 (11.2.0.3) running on RHEL 6.2 and later releases. For details see this Flash on TechDocs.With that all current distributions (RHEL5/6, SLES10/11) for Linux on System z are certified.
There also has been a webcast covering this hosted by the zSeries Oracle Special Interest Group.

February 5, 2013

z/VM 6.3 preview

Today IBM announced a preview of z/VM 6.3. The two top improvements are:
  • 1 TB memory 
  • HiperDispatch
At SHARE there have been two presentations with more technical details in it: