Request for Enhancement (RFE) community launched including Linux on System z and z/VM requirements

The Request for Enhancement (RFE) community has been used for IBM Software products for a while. Now also the Systems and Systems Software i...Read more »

Installation of Linux on System z

Now and then I get the question on documentation for the base installation of Linux on System z. As this depends on the distribution, take a...Read more »

Raw ECKD access from zLinux

Since a while the Linux DASD driver has been enhanced to access full ECKD tracks. Basically the following steps are needed: Take the device ...Read more »

New Whitepaper covering IBM Filenet P8 on zLinux

IBM Filenet P8 has been available for zLinux for quite some time. It's a really scalable document management, content lifecycle, and w...Read more »

New Whitepaper "Implementing A Web Interface For The Linux Health Checker"

The Linux Health Checker is an IBM initiated open source project hosted on Sourceforge. It's a command line tool with an increasing num...Read more »

Updated Whitepaper: WebSphere Application Server - Idle Server Tuning

When running in a virtualized environment like z/VM it's beneficial if the hypervisor knows if a server is idle or not. Usually this is ...Read more »

zBC12

On July 23rd IBM has announced the new business class model of the mainframe the zBC12 . This is the successor to the z114 and is as you pr...Read more »

z/VM 6.3

After a long waiting time IBM released the latest version of z/VM . Now there is way more information available than just the little bit I d...Read more »

New white paper: HyperPAV setup with z/VM and Red Hat Linux on zSeries

Parallel Access Volume (PAV)  allow you on System z to have more than one I/O outstanding per volume. However it's not so easy to set up...Read more »

Linux and z/VM Live Virtual Classes 2013

There are regular Live Virtual Classes (LVC) for z/VM and Linux on System z. Watch the site to register for upcoming classes. There are als...Read more »

How to limit CPU usage of suspect runaway processes

Have you ever had the problem that a Linux guest under z/VM was using "too much" CPU and when you looked closer you identified a s...Read more »

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 wi...Read more »

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 presentat...Read more »

zEC12 Linux certifications and tested platforms

IBM has announced a new mainframe the zEnterprise EC12 . This systems supports all the Linux versions, that are currently supported by IBM, ...Read more »

40 years VM - happy birthday!

40 years ago IBM introduced VM/370 the first virtualization layer. My first really brief encounter was at the end of the 80ies, when I did s...Read more »

New Whitepaper "Using the Linux cpuplugd Daemon to manage CPU and memory resources from z/VM Linux guests"

CPU and memory resources are normally shared in a virtualized environment. Therefore multiple guests are fighting for the same resources. Be...Read more »

New Whitepaper: "Java Design and Coding for Virtualized Environments"

Ever wondered why your Java application is not running as smooth as it should in a virtualized environment? There are multiple reasons for t...Read more »

New Whitepaper: "WebSphere Application Server Horizontal Versus Vertical JVM Stacking Report"

This new whitepaper addresses the question if one should do a 1:1 consolidation or putting more than one server into a zLinux guest from a ...Read more »

Mainframe environments supported by Oracle

Recently there have been a lot of discussions with respect to what environments are supported for Oracle DB on the mainframe. On the Marist ...Read more »

z196 GA2 feature base support in Linux

The required Linux distribution versions for the base support of new features like OSA Express4 are documented in the announcement letter (...Read more »