CapSys 2.0 - Visual Capacity Planning for IBM Mainframe Systems
In: 14th GI/ITG Conference on Measuring, Modelling and Evaluation of Computer and Communication Systems (MMB 2008) / Bause, F.; Buchholz, P. (Hrsg.)
Dortmund: VDE Verlag (2008), S. 295-297
Buchaufsatz / Kapitel / Fach: Informatik; Wirtschaftswissenschaften
CapSys 2.0 supports the daily capacity planning practice based on well-known techniques and guidelines. The tool works with workload specific utilisation data from real systems, which is permanently measured and stored in a reporting database. For planning and analysis purposes, CapSys uses simple models of recent mainframe hardware. Furthermore, it explores the various interrelationships between different mainframe workload types, special constructs like sysplexes and IRD clusters, and hardware components like so called specialty engines and processor pools (for all mainframe-related notions cf. ). A workload within CapSys’ scope is defined as a time series of utilisation data caused by a LPAR (Logical PARtition) on a certain type of processor pool (e.g. general, Linux, Java, coupling facility, etc.).
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