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Set up Linux on IBM System z for Production by Qi Ye, Junius Mills, Livio Sousa, David Borges De Sousa, Saulo Silva, Lydia Parziale

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Architectural considerations
This chapter starts by describing some of the architectural issues that should be considered when designing Linux on IBM System z for production. We start by describing reliability, availability, and serviceability (RAS) objectives, all areas of continuous IBM focus. We also describe the importance of using Linux as a guest on z/VM to meet these objectives, versus running Linux on System z natively. Additionally, we examine the advantages of using the z/VM single system image (SSI) over a non-SSI environment.
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