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The Practice of System and Network Administration, Second Edition by Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup

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Chapter 19. Service Conversions

Sometimes, you need to convert your customer base from an existing service to a new replacement service. The existing system may not be able to scale or may have been declared “end of life” by the vendor, requiring you to evaluate new systems. Or, your company may have merged with a company that uses different products, and both parts of the new company need to integrate their services with each other. Perhaps your company is spinning off a division into a new, separate company, and you need to replicate and split the services and networks so that each part is fully self-sufficient. Whatever the reason, converting customers from one service to another is a task that SAs often face.

Like many things in system and ...

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