What Is VM Rightsizing?
So, you're a system administrator. You want to optimize the allocation of resources within a virtualized hardware environment. What do you do? You could do it an old-fashioned way: manually change settings on each machine, one by one. Or this might sound crazy. You could turn to automation and let technology take care of it! VM rightsizing is an administrative process wherein system administrators optimize the allocation of resources within a virtualized hardware environment by using automation software to automatically adjust the number of virtual machines that run on physical servers. This process helps ensure that each server has only as many virtual machines running on it as necessary, thus freeing up processing power and storage space while reducing costs associated with overprovisioning. VM rightsizing is like when you're shopping for a new pair of shoes and try them on, but then you look at the price tag. You're like, "Wait! I just got these shoes! Why are they so expensive? Then you realize that your feet have grown since the last time you bought shoes. So, when you assess a VM's CPU processing power, it's like taking your foot measurement and comparing that to the size of the shoe. If it's too small or doesn't fit right, then that VM needs more processing power or memory than it currently has. If you're looking at RAM and disk space usage, it's like thinking about how long you've had those shoes; maybe they were great when they were new, but after a while, they don't work as well anymore because they don't fit right anymore. The best way to get the most out of your virtual machines is to use a software tool that can perform automatic or semi-automatic VM rightsizing. But there are so many to choose from! How do you pick the right one? First, you must ensure that it meets all your hardware and software requirements. Then you must ensure that it works with any other tools you might use to manage your VMs. Finally, you'll want to consider how well it integrates with administrative schedulers and other devices that support ongoing operations.
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