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Managing change in dynamic virtual environments
This article is part of the Virtual Data Center issue of August 2008, Vol. 4
Let’s face it: Whether your IT environment is large or small, managing and tracking change is never easy. And when you add the new dimension of virtualization technologies, you only augment the hurdles in an already onerous process. While virtualization has inherent benefits, natural integration with change management systems or processes is by no means one of them. In this sense, server virtualization represents a true paradigm shift in terms of tracking the various items in an environment. In a pre-virtualized universe, you might have had a single business process that required a single application. That application may have resided on a single server, and that server had a single disk storage system (local or storage area network). But now, that physical server is a logical server, and that logical server runs on a physical server with lots of other logical servers. All the logical servers connect to logical networks and logical storage that all map with physical storage. Managing these myriad relationships and server ...
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Features in this issue
Just two years ago, bringing mission-critical applications like SAP into a production environment seemed like a bit of fiction. But today, new hardware offerings and hardware-assisted memory virtualization have made the prospect a reality.
Despite clear benefits and advances in virtualization-related technologies, IT shops remain wary of bringing mission-critical applications into a virtual environment. One global provider of heating and plumbing supplies, however, has embarked on the task of virtualizing SAP
Virtualization brings flexibility and dexterity, enabling rapid change. But change management processes are at odds with that flexibility. How can you reconcile the two?