For Infrastructure & Operations Professionals (Length: 5 pages)

January 17, 2007

Why Choose Linux On A Mainframe?

by Brad Day

with Simon Yates, Christine E. Atwood


Executive Summary (This is a document excerpt)

To build a strong business case for running consolidated Linux workloads on an IBM System z9 architecture, a customer must first understand the core value proposition of the Linux operating system environment. Secondly, the customer must re-examine the historical and new feature/functionality offered by IBM's System z architecture. Thirdly, but most importantly, it is the intersection of Linux on System z, derived from the collective integration of both, that makes the System z a shortlist contender for the consolidated capture of a highly distributed Unix and/or Linux applications environment. In short, what are the unique business and technology reasons, derived from the intersection of running Linux workloads on a virtualized IBM mainframe, which can create a strong case for Linux workload consolidation on a next-generation System z9 "midframe" platform?

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QUESTIONS

item1. To what degree are firms choosing Linux over Unix for their mainframe environment?

item2. What are the primary drivers behind the Linux-on-mainframe choice?

item3. Is Linux ready for the mission-critical applications that still reside on the mainframe?

item4. What hardware and software components make up a Linux system architecture?

item5. What is the capacity utilization of a distributed Linux server infrastructure?

item6. What are the key features and benefits overall of IBM System z? Is there a competitor?

item7. Which mainframe systems can support Linux?

item8. What advantages are unique to Linux on System z as opposed to Linux running on other hardware platforms?

item9. Is there anything unique about System z virtualization offering for Linux consolidation?

item10. What is z/VM and where does it fit in the System z portfolio?

item11. What is the systems management strategy and product set for System z virtualization?

item12. Do you have any market statistics which can outline the health of Linux traction of System z?

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