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 ( 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: