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White papers and Consultant reports E-mail files

IBM SmartCloud Enterprise+ for System z (955 KB)

Last updated, May 2012
IBM SmartCloud Enterprise+ for System z – z/OS is a cloud computing service designed to meet the evolving needs of IBM mainframe clients.


Using the latest compiler technologies on System z (1 MB)

Last updated, May 2012
It is important to stay current with the latest compiler technology and upgrade to the latest release when you upgrade System z servers. With a dated z/OS and compiler, you will not be able to take full advantage of the hardware and middleware ...


GDPS: The Enterprise Continuous Availability / Disaster Recovery Solution (127 KB)

Last updated, April 2012
This 29 page technical document describes what GDPS is at a high level, its capabilities, business value, and latest enhancements. It was updated for GDPS V3.5


Early Experiences with z/VM 6.2 and Live Guest Relocation: moving from CSE to SSI (230 KB)

Last updated, March 2012
The paper describes the installation of z/VM 6.2 and initial configuration of the SSI cluster, particularly in terms of how it is different from the familiar old z/VM installation process.


Java Design and Coding for Virtualized Environments (133 KB)

Last updated, March 2012
“How should an application be designed differently because it will be deployed in a virtual server?” This paper answers that question by giving guidance on Java programming techniques that minimize CPU and memory use - allowing to create more efficient ...


WebSphere Application Server Horizontal Versus Vertical JVM Stacking Report (608 KB)

Last updated, February 2012
This report presents performance data for a test that compares the effects of stacking 200 WebSphere Application Servers. The question is whether it is better to host all WebSphere Application Servers on a single (vertical stacking) z/VM guest,


Modernizing banking with business analytics (1 MB)

Last updated, February 2012
Banks are reinventing themselves to become customer centric. They strive to deliver a compelling, personalized customer experience at all touch points. To achieve this, employees must have meaningful information at their fingertips. IBM System z delivers ...


IBM System z: DS8000 I/O Priority Manager (908 KB)

Last updated, February 2012
In a system z environment, I/O priority manager collaborates with the z/OS Workload Manager (WLM) to handle specified performance requirements and to achieve the desired QoS.


z/VM Single System Image Cluster Live Guest Relocation with HiperSockets: Exploitation via Dynamic Routing (531 KB)

Last updated, February 2012
This paper describes a solution that allows customers running Linux on z/VM to exploit the new z/VM Live Guest Relocation (LGR) functionality offered in the new z/VM 6.2 release while still making use of the System zEnterprise HiperSockets technology as ...


bathwick group: SAP Consolidation: Improving reliability, performance and agility (413 KB)

Last updated, January 2012
You have a choice when it comes to the evolution of your SAP infrastructure, and for a growing number of organizations there are real advantages to running core applications within a single integrated environment. The Bathwick Group


Josh krischer and Associates GmbH: IBM zEnterprise Opens New Horizons for SAP Customers (940 KB)

Last updated, January 2012
zEnterprise simplifies optimizes, and automates complex SAP infrastructures with AIX, Linux and Windows and z/OS applications running in single integrated and virtualized environment.– Josh Krischer & Associates


IBM System z Functional Matrix (197 KB)

Last updated, December 2011
This multipage document compares the functional capabilities between System z9, System z10 and the zEnterprise.


IBM zEnterprise 196 and IBM zEnterprise 114 I/O and FICON Express8S Channel Performance (524 KB)

Last updated, November 2011
Review Version 2 of the IBM zEnterprise 196 and IBM zEnterprise 114 I/O and FICON Express8S Channel Performance of this paper to review information on High Performance FICON for System z (zHPF) enhancements for QSAM, BPAM, and BSAM access methods, for ...


Sharing A WebSphere Application Server V8 Installation Among Many Linux for IBM System z Servers (422 KB)

Last updated, November 2011
This document describes a process that enables you to share one installation of WebSphere Application Server V8 among many Linux guests running under z/VM.


Mainframe Continuous Availability TD Bank Financial Group Best Practices Geographically Dispersed, Data Sharing, Parallel Sysplex (301 KB)

Last updated, November 2011
Toronto Dominion Bank Financial Group (TDBFG) is widely recognized as the “best of breed” for having achieved continuous availability for over 10 years with its Parallel Sysplex and the core bank services it supports.


z/OS Management Facility V1.13 Resource Requirements (110 KB)

Last updated, October 2011
The z/OS Management Facility (z/OSMF, 5655-S28) is a no-charge product that provides a browser based interface for system management for z/OS (5694-A01) customers.


Business process management (BPM) solutions from IBM can help organizations automate and monitor workflows and decision-making, standardize tasks, and provide real-time visibility into operations, improving efficiency and creating time to focus on more ... (1 MB)

Last updated, September 2011
Business process management (BPM) solutions from IBM can help organizations automate and monitor workflows and decision-making, standardize tasks, and provide real-time visibility into operations, improving efficiency and creating time to focus on more ...


Linux on System z Methods to pause a z/VM guest: Optimize the resource utilization of idling servers (872 KB)

Last updated, September 2011
This paper analyzes the behavior of Linux z/VM guests running a WebSphere workload or a relational database (RDB) workload when they are paused and restarted. The Linux suspend and resume function is compared to the z/VM CP STOP and BEGIN commands.


GDPS Active-Active Executive Overview (102 KB)

Last updated, September 2011
This is a technical document which describes what GDPS Active-Active is at a high level, its capabilities, business value, and latest enhancements.


Coupling Facility Configuration Options (467 KB)

Last updated, August 2011
In this paper, we will examine the various Coupling Facility technology alternatives from several perspectives. We will compare the characteristics of each CF option in terms of function, inherent availability, performance and value.


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