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At my current employer we use a custom built ETL process for building business reporting and analysis data. Originally this started as a medium-sized Dell server with a full rack of local storage. As the criticality and scale of this resource grew, it outgrew the hardware it was on.  The key to this server was that the build process ran overnight and the server was accessed by multiple departments throughout the day.  This left very little time for hardware maintenance. I had helped move all development environment servers to a VMware cluster months before. Using this momentum I pitched the idea of solving the criticality and scalability with a VMware-based solution. The argument was four-fold:

The company wanted to avoid the licensing and hardware expense of moving to a Microsoft [...]

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