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tas&marcuskraft&mfusage3&6.0.0&&&mfusage3&&&bcarico@actscorp.com&N.Y.N.N.Y.N.N
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&Computer / IT industry ::Product Manager (SUSE Linux Enterprise Server) &?xxx?1?xxx?xxx?4?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?14::OTHER: Application Development (better: building the <BR>Linux OS distribution) is the single purpose for <BR>5 years (since 2000). So no change occured in the <BR>last two years. &?xxx?1?xxx?xxx?4?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?14::See comment to question 2). No change in purpose. &- ::&- ::&Main purpose of the mainframe was compile, test, <BR>and run. <BR>Outstanding usage scenario was virtualization of <BR>system resources (disk, cpu, memory, channels) to <BR>1) separate (isolate) above workloads <BR>2) but share resources (work load balancing) <BR> <BR>I fact we had only a single machine, however <BR>optimized usage would not have been possible <BR>without the outstanding virtualization <BR>capabilities for the zSeries ::&Main purpose is application / Linux OS <BR>development (and test/QA). <BR>No external customers are served by this machine <BR>directly. <BR>However the Linux OS we produce (SLES 7/8/9 for <BR>S/390) is used on thousands of instances <BR>(somewhere between 2.500-5.000) (cannot disclose <BR>the excat number). ::&No customer transactions. <BR>2 mainframe supporting internal production. <BR> ::&?xxx?1?xxx?xxx?xxx?xxx?xxx?xxx?xxx::No IFL (we noeed full sharing of CPU capacity). <BR>No zAAP needed (no java apps). &The machine is exclusivly used for development, <BR>test and support for the zLinux market segment. <BR>The formula is cost spend for people, machine, <BR>support, power and cooled floorspace vs. revenue <BR>from zLinux generated business. <BR>Difficult to calculate is the ROI of expertise <BR>you gain having a mainframe in house (education, <BR>training, ...) ::&1) Reliability <BR>2) Virtualization / rescource sharing <BR> capabilities <BR>3) IO capability ::&eg. <BR>http://www.novell.com/success/american_fidelity.html <BR> <BR>Demonstrates how large customers value SLES on <BR>mainframe in their environment (eg. server <BR>consolidation), also demonstrating intergation of <BR>other Novell applications to a solution for the <BR>customer. ::&1) increasing capacity (cpu processing power, <BR> total avaialble system memory, IO throughput) <BR>2) execellent QA and service to maintain <BR> operation ::&IBM is fulfilling this promise, however not <BR>forgetting to generate revenue from it :) ::&1) ISV/application/solution development on zLinux <BR> a) Linux has brought a multitude of solutions <BR> to Z, a range survey (product specific) <BR> would be interesting <BR> b) inhouse developement platform: do zSeries <BR> customers buy or develop or do both ? <BR> What would be the reasons to buy or <BR> develop? <BR> <BR> ::&?0?1?2::mkraft@suse.de &?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?11?xxx?xxx::&?xxx?xxx?xxx?xxx?4?xxx::&&&?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?11?xxx::&?xxx?xxx?xxx?3?4?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx::&&?0?xxx?xxx?xxx?xxx::&&&&&no ifl (we noeed full sharing of cpu capacity). <BR>no zaap needed (no java apps). ::&?xxx?1?xxx?xxx?xxx?xxx?xxx?xxx?xxx::&?xxx?xxx?xxx?3::&?xxx?xxx?xxx?xxx?4?xxx?xxx::&?0?xxx?xxx?xxx?xxx?xxx?xxx?xxx?xxx?9?xxx?xxx?xxx?xxx?xxx?xxx::&&?xxx?1?xxx?xxx?xxx?5?xxx?xxx?xxx?xxx::&?0?xxx?xxx::
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