IBM E16RMLL-I Implementation Guide - Page 61
Installed user base
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Cost Windows system + Capacity + Platform installation Simple Operation Simple Supported devices Many UNIX UNIX ++/+++ Linux + ++/+++ Simple Medium Many iSeries™ ++/+++ ++/+++ Medium Medium Limited zSeries® +++ +++ Complex Complex Limited 2.4.2 Installed user base The number of Tivoli Storage Manager servers installed for a particular platform is a consideration. At the time of writing, there are more Tivoli Storage Manager servers installed in Windows and AIX platforms, compared with the other choices. 2.4.3 Cost Cost is a very dynamic area to discuss in a static manual, so we only generalize here. Check for special promotions and other discounts before committing to acquiring a particular platform configuration. Cost is further subdivided into platform costs and Tivoli Storage Manager software license costs. Platform costs include the cost to acquire all the hardware and software to run the platform exclusive of the Tivoli Storage Manager software license. It ranges from low for a Windows system to high for zSeries. The high cost of installing a new zSeries system usually precludes it from being selected to run a Tivoli Storage Manager server exclusively. However, if this platform is already in use, it can be an economical choice, particularly if there is considerable in-house expertise on this platform available. Tivoli Storage Manager license costs vary somewhat, with Windows costs being the lowest, followed by Linux, AIX, HP-UX, Sun Solaris, and iSeries costs. All of these are one-time charges to purchase the product. zSeries licenses are available for a one-time charge or as a monthly license fee. You may want to calculate the break-even point. Tivoli Storage Manager server costs include a license for only one client by default. To manage more clients, more client licenses must be purchased. The actual client code is free to download. Under the current pricing model, Tivoli Storage Manager is sold as a per-processor fee for either a server or client Chapter 2. Implementation planning 31
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