You probably expect a #hyperconvergedinfrastructure ( #HCI ) product to consist of x86 servers with local storage and fast networking. A hypervisor owns those x86 servers and runs virtual machines (VMs) as their primary workload. The local storage in the servers is combined into a storage cluster that hosts the VMs. The storage cluster is software-defined. The storage cluster software might be part of the hypervisor, or it might run in a virtual storage appliance (VSA), which is a VM. An important part of being an HCI product is that the management of all these parts needs to be integrated: The magic happens in the software. If you already have hardware, or if you want specific hardware, then hyper-converged software leaves the hardware choice to you. Some software-only HCI options are also available with your choice of hardware. If you always buy x86 servers from one vendor, you will want hyper-converged software that runs on that vendor's servers. So what options do you have to consider if you just want HCI software? These are some of the best.
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